Manage symbols visibility for dynamic linking

107 files changed, 457 insertions, 359 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e56ea26e..35a5c6f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -105,8 +105,10 @@ jobs:
         fi
         echo "QUOTEST_ORIGIN=$VERSION @ ${{ runner.os }}/${{ matrix.compiler }}" >>$GITHUB_ENV
 
+        # Build libQuotient as a shared library across platforms but also
+        # check the static configuration somewhere
         CMAKE_ARGS="-G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo \
-                    -DBUILD_SHARED_LIBS=false \
+                    -DBUILD_SHARED_LIBS=${{ !matrix.sonar && runner.os == 'Linux' }} \
                     -DCMAKE_INSTALL_PREFIX=~/.local \
                     -DCMAKE_PREFIX_PATH=~/.local \
                     -DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
@@ -120,6 +122,7 @@ jobs:
 
         if [[ '${{ runner.os }}' != 'Windows' ]]; then
             BIN_DIR=/bin
+            echo "LIB_PATH=$HOME/.local/lib" >>$GITHUB_ENV
         fi
         echo "BIN_DIR=$BIN_DIR" >>$GITHUB_ENV
         echo "~/.local$BIN_DIR" >>$GITHUB_PATH
@@ -203,6 +206,7 @@ jobs:
       run: |
         ctest --test-dir $BUILD_PATH --output-on-failure
         [[ -z "$TEST_USER" ]] || \
+            LD_LIBRARY_PATH=$LIB_PATH \
             $VALGRIND quotest "$TEST_USER" "$TEST_PWD" quotest-gha '#quotest:matrix.org' "$QUOTEST_ORIGIN"
       timeout-minutes: 4 # quotest is supposed to finish within 3 minutes, actually
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index adb5be7b..c889cf13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@ if (MSVC)
         /wd4710 /wd4774 /wd4820 /wd4946 /wd5026 /wd5027)
 else()
     foreach (FLAG Wall Wpedantic Wextra Werror=return-type Wno-unused-parameter
-            Wno-gnu-zero-variadic-macro-arguments fvisibility-inlines-hidden)
+            Wno-gnu-zero-variadic-macro-arguments)
         CHECK_CXX_COMPILER_FLAG("-${FLAG}" COMPILER_${FLAG}_SUPPORTED)
         if ( COMPILER_${FLAG}_SUPPORTED AND
                 NOT CMAKE_CXX_FLAGS MATCHES "(^| )-?${FLAG}($| )")
@@ -125,6 +125,7 @@ endif ()
 # Set up source files
 list(APPEND lib_SRCS
     lib/quotient_common.h
+    lib/quotient_export.h
     lib/function_traits.h lib/function_traits.cpp
     lib/networkaccessmanager.h lib/networkaccessmanager.cpp
     lib/connectiondata.h lib/connectiondata.cpp
@@ -253,6 +254,12 @@ file(GLOB_RECURSE api_ALL_SRCS CONFIGURE_DEPENDS
      ${FULL_CSAPI_DIR}/*.* lib/${ASAPI_DEF_DIR}/*.* lib/${ISAPI_DEF_DIR}/*.*)
 
 add_library(${PROJECT_NAME} ${lib_SRCS} ${api_ALL_SRCS})
+# Set BUILDING_SHARED_QUOTIENT if building as a shared library
+target_compile_definitions(${PROJECT_NAME} PRIVATE
+    $<$<STREQUAL:$<TARGET_PROPERTY:${PROJECT_NAME},TYPE>,SHARED_LIBRARY>:BUILDING_SHARED_QUOTIENT>)
+# Set QUOTIENT_STATIC in a static library setting
+target_compile_definitions(${PROJECT_NAME} PUBLIC
+    $<$<STREQUAL:$<TARGET_PROPERTY:${PROJECT_NAME},TYPE>,STATIC_LIBRARY>:QUOTIENT_STATIC>)
 target_compile_definitions(${PROJECT_NAME} PRIVATE QT_NO_JAVA_STYLE_ITERATORS QT_NO_URL_CAST_FROM_STRING QT_NO_CAST_TO_ASCII)
 
 target_compile_definitions(${PROJECT_NAME} PUBLIC ${PROJECT_NAME}_VERSION_MAJOR=${PROJECT_VERSION_MAJOR}
@@ -264,6 +271,8 @@ endif()
 set_target_properties(${PROJECT_NAME} PROPERTIES
     CXX_STANDARD 20
     CXX_EXTENSIONS OFF
+    VISIBILITY_INLINES_HIDDEN ON
+    CXX_VISIBILITY_PRESET hidden
     VERSION "${PROJECT_VERSION}"
     SOVERSION ${API_VERSION}
     INTERFACE_${PROJECT_NAME}_MAJOR_VERSION ${API_VERSION}
@@ -307,8 +316,6 @@ endif()
 # Configure installation
 
 install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets
-        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
         INCLUDES DESTINATION ${${PROJECT_NAME}_INSTALL_INCLUDEDIR}
 )
 install(DIRECTORY lib/ DESTINATION ${${PROJECT_NAME}_INSTALL_INCLUDEDIR}
diff --git a/gtad/operation.h.mustache b/gtad/operation.h.mustache
index f91dc66c..063f0bbd 100644
--- a/gtad/operation.h.mustache
+++ b/gtad/operation.h.mustache
@@ -16,7 +16,7 @@ namespace Quotient {
 /*!{{>docCommentSummary}}{{#description}}
  * {{_}}{{/description}}
  */
-class {{camelCaseOperationId}}Job : public BaseJob {
+class QUOTIENT_API {{camelCaseOperationId}}Job : public BaseJob {
 public:
     {{#models}}
     // Inner data structures
diff --git a/lib/accountregistry.h b/lib/accountregistry.h
index 5efda459..f7a864df 100644
--- a/lib/accountregistry.h
+++ b/lib/accountregistry.h
@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QObject>
 #include <QtCore/QList>
 #include <QtCore/QAbstractListModel>
@@ -11,7 +13,7 @@
 namespace Quotient {
 class Connection;
 
-class AccountRegistry : public QAbstractListModel {
+class QUOTIENT_API AccountRegistry : public QAbstractListModel {
     Q_OBJECT
 public:
     enum EventRoles {
diff --git a/lib/avatar.h b/lib/avatar.h
index d4634aea..93f43948 100644
--- a/lib/avatar.h
+++ b/lib/avatar.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QUrl>
 #include <QtGui/QIcon>
 
@@ -12,7 +14,7 @@
 namespace Quotient {
 class Connection;
 
-class Avatar {
+class QUOTIENT_API Avatar {
 public:
     explicit Avatar();
     explicit Avatar(QUrl url);
diff --git a/lib/connection.h b/lib/connection.h
index 45abb8ed..23062664 100644
--- a/lib/connection.h
+++ b/lib/connection.h
@@ -105,7 +105,7 @@ using DirectChatsMap = QMultiHash<const User*, QString>;
 using DirectChatUsersMap = QMultiHash<QString, User*>;
 using IgnoredUsersList = IgnoredUsersEvent::content_type;
 
-class Connection : public QObject {
+class QUOTIENT_API Connection : public QObject {
     Q_OBJECT
 
     Q_PROPERTY(User* localUser READ user NOTIFY stateChanged)
diff --git a/lib/converters.h b/lib/converters.h
index 9c3d5749..a6028f1b 100644
--- a/lib/converters.h
+++ b/lib/converters.h
@@ -183,7 +183,7 @@ struct JsonConverter<QUrl> {
 };
 
 template <>
-struct JsonConverter<QVariant> {
+struct QUOTIENT_API JsonConverter<QVariant> {
     static QJsonValue dump(const QVariant& v);
     static QVariant load(const QJsonValue& jv);
 };
@@ -281,9 +281,9 @@ template <typename T>
 struct JsonObjectConverter<QHash<QString, T>>
     : public HashMapFromJson<QHash<QString, T>> {};
 
-QJsonObject toJson(const QVariantHash& vh);
+QJsonObject QUOTIENT_API toJson(const QVariantHash& vh);
 template <>
-QVariantHash fromJson(const QJsonValue& jv);
+QVariantHash QUOTIENT_API fromJson(const QJsonValue& jv);
 
 // Conditional insertion into a QJsonObject
 
diff --git a/lib/csapi/account-data.h b/lib/csapi/account-data.h
index 0c760e80..5140d340 100644
--- a/lib/csapi/account-data.h
+++ b/lib/csapi/account-data.h
@@ -14,7 +14,7 @@ namespace Quotient {
  * that set the account_data. The config will be synced to clients in the
  * top-level `account_data`.
  */
-class SetAccountDataJob : public BaseJob {
+class QUOTIENT_API SetAccountDataJob : public BaseJob {
 public:
     /*! \brief Set some account_data for the user.
      *
@@ -38,7 +38,7 @@ public:
  * Get some account_data for the client. This config is only visible to the user
  * that set the account_data.
  */
-class GetAccountDataJob : public BaseJob {
+class QUOTIENT_API GetAccountDataJob : public BaseJob {
 public:
     /*! \brief Get some account_data for the user.
      *
@@ -67,7 +67,7 @@ public:
  * visible to the user that set the account_data. The config will be synced to
  * clients in the per-room `account_data`.
  */
-class SetAccountDataPerRoomJob : public BaseJob {
+class QUOTIENT_API SetAccountDataPerRoomJob : public BaseJob {
 public:
     /*! \brief Set some account_data for the user.
      *
@@ -95,7 +95,7 @@ public:
  * Get some account_data for the client on a given room. This config is only
  * visible to the user that set the account_data.
  */
-class GetAccountDataPerRoomJob : public BaseJob {
+class QUOTIENT_API GetAccountDataPerRoomJob : public BaseJob {
 public:
     /*! \brief Get some account_data for the user.
      *
diff --git a/lib/csapi/admin.h b/lib/csapi/admin.h
index 570bf24a..c53ddd7e 100644
--- a/lib/csapi/admin.h
+++ b/lib/csapi/admin.h
@@ -16,7 +16,7 @@ namespace Quotient {
  * up, or by a server admin. Server-local administrator privileges are not
  * specified in this document.
  */
-class GetWhoIsJob : public BaseJob {
+class QUOTIENT_API GetWhoIsJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/administrative_contact.h b/lib/csapi/administrative_contact.h
index e436971d..e636b12a 100644
--- a/lib/csapi/administrative_contact.h
+++ b/lib/csapi/administrative_contact.h
@@ -24,7 +24,7 @@ namespace Quotient {
  * Identifiers in this list may be used by the homeserver as, for example,
  * identifiers that it will accept to reset the user's account password.
  */
-class GetAccount3PIDsJob : public BaseJob {
+class QUOTIENT_API GetAccount3PIDsJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -102,7 +102,7 @@ struct JsonObjectConverter<GetAccount3PIDsJob::ThirdPartyIdentifier> {
  * This results in this endpoint being an equivalent to `/3pid/bind` rather
  * than dual-purpose.
  */
-class Post3PIDsJob : public BaseJob {
+class QUOTIENT_API Post3PIDsJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -154,7 +154,7 @@ struct JsonObjectConverter<Post3PIDsJob::ThreePidCredentials> {
  * Homeservers should prevent the caller from adding a 3PID to their account if
  * it has already been added to another user's account on the homeserver.
  */
-class Add3PIDJob : public BaseJob {
+class QUOTIENT_API Add3PIDJob : public BaseJob {
 public:
     /*! \brief Adds contact information to the user's account.
      *
@@ -182,7 +182,7 @@ public:
  *
  * Homeservers should track successful binds so they can be unbound later.
  */
-class Bind3PIDJob : public BaseJob {
+class QUOTIENT_API Bind3PIDJob : public BaseJob {
 public:
     /*! \brief Binds a 3PID to the user's account through an Identity Service.
      *
@@ -211,7 +211,7 @@ public:
  * parameter because the homeserver is expected to sign the request to the
  * identity server instead.
  */
-class Delete3pidFromAccountJob : public BaseJob {
+class QUOTIENT_API Delete3pidFromAccountJob : public BaseJob {
 public:
     /*! \brief Deletes a third party identifier from the user's account
      *
@@ -254,7 +254,7 @@ public:
  * parameter because the homeserver is expected to sign the request to the
  * identity server instead.
  */
-class Unbind3pidFromAccountJob : public BaseJob {
+class QUOTIENT_API Unbind3pidFromAccountJob : public BaseJob {
 public:
     /*! \brief Removes a user's third party identifier from an identity server.
      *
@@ -300,7 +300,7 @@ public:
  * the email itself, either by sending a validation email itself or by using
  * a service it has control over.
  */
-class RequestTokenTo3PIDEmailJob : public BaseJob {
+class QUOTIENT_API RequestTokenTo3PIDEmailJob : public BaseJob {
 public:
     /*! \brief Begins the validation process for an email address for
      * association with the user's account.
@@ -342,7 +342,7 @@ public:
  * the phone number itself, either by sending a validation message itself or by
  * using a service it has control over.
  */
-class RequestTokenTo3PIDMSISDNJob : public BaseJob {
+class QUOTIENT_API RequestTokenTo3PIDMSISDNJob : public BaseJob {
 public:
     /*! \brief Begins the validation process for a phone number for association
      * with the user's account.
diff --git a/lib/csapi/appservice_room_directory.h b/lib/csapi/appservice_room_directory.h
index 56a69592..6b2801ca 100644
--- a/lib/csapi/appservice_room_directory.h
+++ b/lib/csapi/appservice_room_directory.h
@@ -21,7 +21,8 @@ namespace Quotient {
  * instead of a typical client's access_token. This API cannot be invoked by
  * users who are not identified as application services.
  */
-class UpdateAppserviceRoomDirectoryVisibilityJob : public BaseJob {
+class QUOTIENT_API UpdateAppserviceRoomDirectoryVisibilityJob
+    : public BaseJob {
 public:
     /*! \brief Updates a room's visibility in the application service's room
      * directory.
diff --git a/lib/csapi/banning.h b/lib/csapi/banning.h
index 7a9697d3..e4c60ce3 100644
--- a/lib/csapi/banning.h
+++ b/lib/csapi/banning.h
@@ -18,7 +18,7 @@ namespace Quotient {
  * The caller must have the required power level in order to perform this
  * operation.
  */
-class BanJob : public BaseJob {
+class QUOTIENT_API BanJob : public BaseJob {
 public:
     /*! \brief Ban a user in the room.
      *
@@ -46,7 +46,7 @@ public:
  * The caller must have the required power level in order to perform this
  * operation.
  */
-class UnbanJob : public BaseJob {
+class QUOTIENT_API UnbanJob : public BaseJob {
 public:
     /*! \brief Unban a user from the room.
      *
diff --git a/lib/csapi/capabilities.h b/lib/csapi/capabilities.h
index da50c8c1..81b47cd4 100644
--- a/lib/csapi/capabilities.h
+++ b/lib/csapi/capabilities.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * Gets information about the server's supported feature set
  * and other relevant capabilities.
  */
-class GetCapabilitiesJob : public BaseJob {
+class QUOTIENT_API GetCapabilitiesJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/content-repo.h b/lib/csapi/content-repo.h
index 28409f5c..511db985 100644
--- a/lib/csapi/content-repo.h
+++ b/lib/csapi/content-repo.h
@@ -14,7 +14,7 @@ namespace Quotient {
 /*! \brief Upload some content to the content repository.
  *
  */
-class UploadContentJob : public BaseJob {
+class QUOTIENT_API UploadContentJob : public BaseJob {
 public:
     /*! \brief Upload some content to the content repository.
      *
@@ -40,7 +40,7 @@ public:
 /*! \brief Download content from the content repository.
  *
  */
-class GetContentJob : public BaseJob {
+class QUOTIENT_API GetContentJob : public BaseJob {
 public:
     /*! \brief Download content from the content repository.
      *
@@ -87,7 +87,7 @@ public:
  * the previous endpoint) but replace the target file name with the one
  * provided by the caller.
  */
-class GetContentOverrideNameJob : public BaseJob {
+class QUOTIENT_API GetContentOverrideNameJob : public BaseJob {
 public:
     /*! \brief Download content from the content repository overriding the file
      * name
@@ -142,7 +142,7 @@ public:
  * See the [Thumbnails](/client-server-api/#thumbnails) section for more
  * information.
  */
-class GetContentThumbnailJob : public BaseJob {
+class QUOTIENT_API GetContentThumbnailJob : public BaseJob {
 public:
     /*! \brief Download a thumbnail of content from the content repository
      *
@@ -204,7 +204,7 @@ public:
  * do not want to share with the homeserver, and this can mean that the URLs
  * being shared should also not be shared with the homeserver.
  */
-class GetUrlPreviewJob : public BaseJob {
+class QUOTIENT_API GetUrlPreviewJob : public BaseJob {
 public:
     /*! \brief Get information about a URL for a client
      *
@@ -252,7 +252,7 @@ public:
  * content repository APIs, for example, proxies may enforce a lower upload size
  * limit than is advertised by the server on this endpoint.
  */
-class GetConfigJob : public BaseJob {
+class QUOTIENT_API GetConfigJob : public BaseJob {
 public:
     /// Get the configuration for the content repository.
     explicit GetConfigJob();
diff --git a/lib/csapi/create_room.h b/lib/csapi/create_room.h
index 81dfbffc..7d566057 100644
--- a/lib/csapi/create_room.h
+++ b/lib/csapi/create_room.h
@@ -53,7 +53,7 @@ namespace Quotient {
  * requesting user as the creator, alongside other keys provided in the
  * `creation_content`.
  */
-class CreateRoomJob : public BaseJob {
+class QUOTIENT_API CreateRoomJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/cross_signing.h b/lib/csapi/cross_signing.h
index 2ab65e06..617b61d1 100644
--- a/lib/csapi/cross_signing.h
+++ b/lib/csapi/cross_signing.h
@@ -17,7 +17,7 @@ namespace Quotient {
  * This API endpoint uses the [User-Interactive Authentication
  * API](/client-server-api/#user-interactive-authentication-api).
  */
-class UploadCrossSigningKeysJob : public BaseJob {
+class QUOTIENT_API UploadCrossSigningKeysJob : public BaseJob {
 public:
     /*! \brief Upload cross-signing keys.
      *
@@ -47,7 +47,7 @@ public:
  * Publishes cross-signing signatures for the user.  The request body is a
  * map from user ID to key ID to signed JSON object.
  */
-class UploadCrossSigningSignaturesJob : public BaseJob {
+class QUOTIENT_API UploadCrossSigningSignaturesJob : public BaseJob {
 public:
     /*! \brief Upload cross-signing signatures.
      *
diff --git a/lib/csapi/device_management.h b/lib/csapi/device_management.h
index 7fb69873..430d2132 100644
--- a/lib/csapi/device_management.h
+++ b/lib/csapi/device_management.h
@@ -15,7 +15,7 @@ namespace Quotient {
  *
  * Gets information about all devices for the current user.
  */
-class GetDevicesJob : public BaseJob {
+class QUOTIENT_API GetDevicesJob : public BaseJob {
 public:
     /// List registered devices for the current user
     explicit GetDevicesJob();
@@ -40,7 +40,7 @@ public:
  *
  * Gets information on a single device, by device id.
  */
-class GetDeviceJob : public BaseJob {
+class QUOTIENT_API GetDeviceJob : public BaseJob {
 public:
     /*! \brief Get a single device
      *
@@ -66,7 +66,7 @@ public:
  *
  * Updates the metadata on the given device.
  */
-class UpdateDeviceJob : public BaseJob {
+class QUOTIENT_API UpdateDeviceJob : public BaseJob {
 public:
     /*! \brief Update a device
      *
@@ -88,7 +88,7 @@ public:
  *
  * Deletes the given device, and invalidates any access token associated with it.
  */
-class DeleteDeviceJob : public BaseJob {
+class QUOTIENT_API DeleteDeviceJob : public BaseJob {
 public:
     /*! \brief Delete a device
      *
@@ -111,7 +111,7 @@ public:
  * Deletes the given devices, and invalidates any access token associated with
  * them.
  */
-class DeleteDevicesJob : public BaseJob {
+class QUOTIENT_API DeleteDevicesJob : public BaseJob {
 public:
     /*! \brief Bulk deletion of devices
      *
diff --git a/lib/csapi/directory.h b/lib/csapi/directory.h
index 93a31595..0bd13a76 100644
--- a/lib/csapi/directory.h
+++ b/lib/csapi/directory.h
@@ -11,7 +11,7 @@ namespace Quotient {
 /*! \brief Create a new mapping from room alias to room ID.
  *
  */
-class SetRoomAliasJob : public BaseJob {
+class QUOTIENT_API SetRoomAliasJob : public BaseJob {
 public:
     /*! \brief Create a new mapping from room alias to room ID.
      *
@@ -32,7 +32,7 @@ public:
  * domain part of the alias does not correspond to the server's own
  * domain.
  */
-class GetRoomIdByAliasJob : public BaseJob {
+class QUOTIENT_API GetRoomIdByAliasJob : public BaseJob {
 public:
     /*! \brief Get the room ID corresponding to this room alias.
      *
@@ -76,7 +76,7 @@ public:
  * return a successful response even if the user does not have permission to
  * update the `m.room.canonical_alias` event.
  */
-class DeleteRoomAliasJob : public BaseJob {
+class QUOTIENT_API DeleteRoomAliasJob : public BaseJob {
 public:
     /*! \brief Remove a mapping of room alias to room ID.
      *
@@ -112,7 +112,7 @@ public:
  * as they are not curated, unlike those listed in the `m.room.canonical_alias`
  * state event.
  */
-class GetLocalAliasesJob : public BaseJob {
+class QUOTIENT_API GetLocalAliasesJob : public BaseJob {
 public:
     /*! \brief Get a list of local aliases on a given room.
      *
diff --git a/lib/csapi/event_context.h b/lib/csapi/event_context.h
index 4e50edf3..662b976b 100644
--- a/lib/csapi/event_context.h
+++ b/lib/csapi/event_context.h
@@ -19,7 +19,7 @@ namespace Quotient {
  * [Lazy-loading room members](/client-server-api/#lazy-loading-room-members)
  * for more information.
  */
-class GetEventContextJob : public BaseJob {
+class QUOTIENT_API GetEventContextJob : public BaseJob {
 public:
     /*! \brief Get events and state around the specified event.
      *
diff --git a/lib/csapi/filter.h b/lib/csapi/filter.h
index 01bec36b..9518a461 100644
--- a/lib/csapi/filter.h
+++ b/lib/csapi/filter.h
@@ -16,7 +16,7 @@ namespace Quotient {
  * Returns a filter ID that may be used in future requests to
  * restrict which events are returned to the client.
  */
-class DefineFilterJob : public BaseJob {
+class QUOTIENT_API DefineFilterJob : public BaseJob {
 public:
     /*! \brief Upload a new filter.
      *
@@ -41,7 +41,7 @@ public:
 /*! \brief Download a filter
  *
  */
-class GetFilterJob : public BaseJob {
+class QUOTIENT_API GetFilterJob : public BaseJob {
 public:
     /*! \brief Download a filter
      *
diff --git a/lib/csapi/inviting.h b/lib/csapi/inviting.h
index eb13cc95..21e6cb74 100644
--- a/lib/csapi/inviting.h
+++ b/lib/csapi/inviting.h
@@ -26,7 +26,7 @@ namespace Quotient {
  * If the user was invited to the room, the homeserver will append a
  * `m.room.member` event to the room.
  */
-class InviteUserJob : public BaseJob {
+class QUOTIENT_API InviteUserJob : public BaseJob {
 public:
     /*! \brief Invite a user to participate in a particular room.
      *
diff --git a/lib/csapi/joining.h b/lib/csapi/joining.h
index d0199b11..f64152f7 100644
--- a/lib/csapi/joining.h
+++ b/lib/csapi/joining.h
@@ -25,7 +25,7 @@ namespace Quotient {
  * [`/initialSync`](/client-server-api/#get_matrixclientr0initialsync) and
  * [`/sync`](/client-server-api/#get_matrixclientr0sync) APIs.
  */
-class JoinRoomByIdJob : public BaseJob {
+class QUOTIENT_API JoinRoomByIdJob : public BaseJob {
 public:
     /*! \brief Start the requesting user participating in a particular room.
      *
@@ -67,7 +67,7 @@ public:
  * [`/initialSync`](/client-server-api/#get_matrixclientr0initialsync) and
  * [`/sync`](/client-server-api/#get_matrixclientr0sync) APIs.
  */
-class JoinRoomJob : public BaseJob {
+class QUOTIENT_API JoinRoomJob : public BaseJob {
 public:
     /*! \brief Start the requesting user participating in a particular room.
      *
diff --git a/lib/csapi/keys.h b/lib/csapi/keys.h
index 7db09e8d..ce1ca9ed 100644
--- a/lib/csapi/keys.h
+++ b/lib/csapi/keys.h
@@ -15,7 +15,7 @@ namespace Quotient {
  *
  * Publishes end-to-end encryption keys for the device.
  */
-class UploadKeysJob : public BaseJob {
+class QUOTIENT_API UploadKeysJob : public BaseJob {
 public:
     /*! \brief Upload end-to-end encryption keys.
      *
@@ -48,7 +48,7 @@ public:
  *
  * Returns the current devices and identity keys for the given users.
  */
-class QueryKeysJob : public BaseJob {
+class QUOTIENT_API QueryKeysJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -172,7 +172,7 @@ struct JsonObjectConverter<QueryKeysJob::DeviceInformation> {
  *
  * Claims one-time keys for use in pre-key messages.
  */
-class ClaimKeysJob : public BaseJob {
+class QUOTIENT_API ClaimKeysJob : public BaseJob {
 public:
     /*! \brief Claim one-time encryption keys.
      *
@@ -226,7 +226,7 @@ public:
  * * added new device identity keys or removed an existing device with
  *   identity keys, between `from` and `to`.
  */
-class GetKeysChangesJob : public BaseJob {
+class QUOTIENT_API GetKeysChangesJob : public BaseJob {
 public:
     /*! \brief Query users with recent device key updates.
      *
diff --git a/lib/csapi/kicking.h b/lib/csapi/kicking.h
index 11018368..6ac106e2 100644
--- a/lib/csapi/kicking.h
+++ b/lib/csapi/kicking.h
@@ -20,7 +20,7 @@ namespace Quotient {
  * directly adjust the target member's state by making a request to
  * `/rooms/<room id>/state/m.room.member/<user id>`.
  */
-class KickJob : public BaseJob {
+class QUOTIENT_API KickJob : public BaseJob {
 public:
     /*! \brief Kick a user from the room.
      *
diff --git a/lib/csapi/knocking.h b/lib/csapi/knocking.h
index 1108cb64..e3645b59 100644
--- a/lib/csapi/knocking.h
+++ b/lib/csapi/knocking.h
@@ -27,7 +27,7 @@ namespace Quotient {
  * The knock will appear as an entry in the response of the
  * [`/sync`](/client-server-api/#get_matrixclientr0sync) API.
  */
-class KnockRoomJob : public BaseJob {
+class QUOTIENT_API KnockRoomJob : public BaseJob {
 public:
     /*! \brief Knock on a room, requesting permission to join.
      *
diff --git a/lib/csapi/leaving.h b/lib/csapi/leaving.h
index 2e402d16..19cac3f0 100644
--- a/lib/csapi/leaving.h
+++ b/lib/csapi/leaving.h
@@ -22,7 +22,7 @@ namespace Quotient {
  * The user will still be allowed to retrieve history from the room which
  * they were previously allowed to see.
  */
-class LeaveRoomJob : public BaseJob {
+class QUOTIENT_API LeaveRoomJob : public BaseJob {
 public:
     /*! \brief Stop the requesting user participating in a particular room.
      *
@@ -48,7 +48,7 @@ public:
  * If the user is currently joined to the room, they must leave the room
  * before calling this API.
  */
-class ForgetRoomJob : public BaseJob {
+class QUOTIENT_API ForgetRoomJob : public BaseJob {
 public:
     /*! \brief Stop the requesting user remembering about a particular room.
      *
diff --git a/lib/csapi/list_joined_rooms.h b/lib/csapi/list_joined_rooms.h
index 59a24a49..aea68afd 100644
--- a/lib/csapi/list_joined_rooms.h
+++ b/lib/csapi/list_joined_rooms.h
@@ -12,7 +12,7 @@ namespace Quotient {
  *
  * This API returns a list of the user's current rooms.
  */
-class GetJoinedRoomsJob : public BaseJob {
+class QUOTIENT_API GetJoinedRoomsJob : public BaseJob {
 public:
     /// Lists the user's current rooms.
     explicit GetJoinedRoomsJob();
diff --git a/lib/csapi/list_public_rooms.h b/lib/csapi/list_public_rooms.h
index 963c8b56..e1f03db7 100644
--- a/lib/csapi/list_public_rooms.h
+++ b/lib/csapi/list_public_rooms.h
@@ -14,7 +14,7 @@ namespace Quotient {
  *
  * Gets the visibility of a given room on the server's public room directory.
  */
-class GetRoomVisibilityOnDirectoryJob : public BaseJob {
+class QUOTIENT_API GetRoomVisibilityOnDirectoryJob : public BaseJob {
 public:
     /*! \brief Gets the visibility of a room in the directory
      *
@@ -48,7 +48,7 @@ public:
  * here, for instance that room visibility can only be changed by
  * the room creator or a server administrator.
  */
-class SetRoomVisibilityOnDirectoryJob : public BaseJob {
+class QUOTIENT_API SetRoomVisibilityOnDirectoryJob : public BaseJob {
 public:
     /*! \brief Sets the visibility of a room in the room directory
      *
@@ -70,7 +70,7 @@ public:
  * This API returns paginated responses. The rooms are ordered by the number
  * of joined members, with the largest rooms first.
  */
-class GetPublicRoomsJob : public BaseJob {
+class QUOTIENT_API GetPublicRoomsJob : public BaseJob {
 public:
     /*! \brief Lists the public rooms on the server.
      *
@@ -133,7 +133,7 @@ public:
  * This API returns paginated responses. The rooms are ordered by the number
  * of joined members, with the largest rooms first.
  */
-class QueryPublicRoomsJob : public BaseJob {
+class QUOTIENT_API QueryPublicRoomsJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/login.h b/lib/csapi/login.h
index b35db1eb..ce6951eb 100644
--- a/lib/csapi/login.h
+++ b/lib/csapi/login.h
@@ -16,7 +16,7 @@ namespace Quotient {
  * Gets the homeserver's supported login types to authenticate users. Clients
  * should pick one of these and supply it as the `type` when logging in.
  */
-class GetLoginFlowsJob : public BaseJob {
+class QUOTIENT_API GetLoginFlowsJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -73,7 +73,7 @@ struct JsonObjectConverter<GetLoginFlowsJob::LoginFlow> {
  * [Relationship between access tokens and
  * devices](/client-server-api/#relationship-between-access-tokens-and-devices).
  */
-class LoginJob : public BaseJob {
+class QUOTIENT_API LoginJob : public BaseJob {
 public:
     /*! \brief Authenticates the user.
      *
diff --git a/lib/csapi/logout.h b/lib/csapi/logout.h
index 2e4c2692..3f1ac7fa 100644
--- a/lib/csapi/logout.h
+++ b/lib/csapi/logout.h
@@ -15,7 +15,7 @@ namespace Quotient {
  * [Device keys](/client-server-api/#device-keys) for the device are deleted
  * alongside the device.
  */
-class LogoutJob : public BaseJob {
+class QUOTIENT_API LogoutJob : public BaseJob {
 public:
     /// Invalidates a user access token
     explicit LogoutJob();
@@ -44,7 +44,7 @@ public:
  * used in the request, and therefore the attacker is unable to take over the
  * account in this way.
  */
-class LogoutAllJob : public BaseJob {
+class QUOTIENT_API LogoutAllJob : public BaseJob {
 public:
     /// Invalidates all access tokens for a user
     explicit LogoutAllJob();
diff --git a/lib/csapi/message_pagination.h b/lib/csapi/message_pagination.h
index 363e4d99..8c18f104 100644
--- a/lib/csapi/message_pagination.h
+++ b/lib/csapi/message_pagination.h
@@ -18,7 +18,7 @@ namespace Quotient {
  * [Lazy-loading room members](/client-server-api/#lazy-loading-room-members)
  * for more information.
  */
-class GetRoomEventsJob : public BaseJob {
+class QUOTIENT_API GetRoomEventsJob : public BaseJob {
 public:
     /*! \brief Get a list of events for this room
      *
diff --git a/lib/csapi/notifications.h b/lib/csapi/notifications.h
index 0c38fe6b..23211758 100644
--- a/lib/csapi/notifications.h
+++ b/lib/csapi/notifications.h
@@ -14,7 +14,7 @@ namespace Quotient {
  * This API is used to paginate through the list of events that the
  * user has been, or would have been notified about.
  */
-class GetNotificationsJob : public BaseJob {
+class QUOTIENT_API GetNotificationsJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/openid.h b/lib/csapi/openid.h
index 0be39c8c..773b6011 100644
--- a/lib/csapi/openid.h
+++ b/lib/csapi/openid.h
@@ -21,7 +21,7 @@ namespace Quotient {
  * be used to request another OpenID access token or call `/sync`, for
  * example.
  */
-class RequestOpenIdTokenJob : public BaseJob {
+class QUOTIENT_API RequestOpenIdTokenJob : public BaseJob {
 public:
     /*! \brief Get an OpenID token object to verify the requester's identity.
      *
diff --git a/lib/csapi/peeking_events.h b/lib/csapi/peeking_events.h
index 885ff340..14cb6f0b 100644
--- a/lib/csapi/peeking_events.h
+++ b/lib/csapi/peeking_events.h
@@ -22,7 +22,7 @@ namespace Quotient {
  * API will also be deprecated at some point, but its replacement is not
  * yet known.
  */
-class PeekEventsJob : public BaseJob {
+class QUOTIENT_API PeekEventsJob : public BaseJob {
 public:
     /*! \brief Listen on the event stream.
      *
diff --git a/lib/csapi/presence.h b/lib/csapi/presence.h
index 4ab50e25..52445205 100644
--- a/lib/csapi/presence.h
+++ b/lib/csapi/presence.h
@@ -15,7 +15,7 @@ namespace Quotient {
  * not need to specify the `last_active_ago` field. You cannot set the
  * presence state of another user.
  */
-class SetPresenceJob : public BaseJob {
+class QUOTIENT_API SetPresenceJob : public BaseJob {
 public:
     /*! \brief Update this user's presence state.
      *
@@ -36,7 +36,7 @@ public:
  *
  * Get the given user's presence state.
  */
-class GetPresenceJob : public BaseJob {
+class QUOTIENT_API GetPresenceJob : public BaseJob {
 public:
     /*! \brief Get this user's presence state.
      *
diff --git a/lib/csapi/profile.h b/lib/csapi/profile.h
index 7f9c9e95..b00c944b 100644
--- a/lib/csapi/profile.h
+++ b/lib/csapi/profile.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * This API sets the given user's display name. You must have permission to
  * set this user's display name, e.g. you need to have their `access_token`.
  */
-class SetDisplayNameJob : public BaseJob {
+class QUOTIENT_API SetDisplayNameJob : public BaseJob {
 public:
     /*! \brief Set the user's display name.
      *
@@ -33,7 +33,7 @@ public:
  * own displayname or to query the name of other users; either locally or
  * on remote homeservers.
  */
-class GetDisplayNameJob : public BaseJob {
+class QUOTIENT_API GetDisplayNameJob : public BaseJob {
 public:
     /*! \brief Get the user's display name.
      *
@@ -63,7 +63,7 @@ public:
  * This API sets the given user's avatar URL. You must have permission to
  * set this user's avatar URL, e.g. you need to have their `access_token`.
  */
-class SetAvatarUrlJob : public BaseJob {
+class QUOTIENT_API SetAvatarUrlJob : public BaseJob {
 public:
     /*! \brief Set the user's avatar URL.
      *
@@ -82,7 +82,7 @@ public:
  * own avatar URL or to query the URL of other users; either locally or
  * on remote homeservers.
  */
-class GetAvatarUrlJob : public BaseJob {
+class QUOTIENT_API GetAvatarUrlJob : public BaseJob {
 public:
     /*! \brief Get the user's avatar URL.
      *
@@ -111,7 +111,7 @@ public:
  * locally or on remote homeservers. This API may return keys which are not
  * limited to `displayname` or `avatar_url`.
  */
-class GetUserProfileJob : public BaseJob {
+class QUOTIENT_API GetUserProfileJob : public BaseJob {
 public:
     /*! \brief Get this user's profile information.
      *
diff --git a/lib/csapi/pusher.h b/lib/csapi/pusher.h
index 622b0df6..d859ffc4 100644
--- a/lib/csapi/pusher.h
+++ b/lib/csapi/pusher.h
@@ -12,7 +12,7 @@ namespace Quotient {
  *
  * Gets all currently active pushers for the authenticated user.
  */
-class GetPushersJob : public BaseJob {
+class QUOTIENT_API GetPushersJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -108,7 +108,7 @@ struct JsonObjectConverter<GetPushersJob::Pusher> {
  * [pushers](/client-server-api/#push-notifications) for this user ID. The
  * behaviour of this endpoint varies depending on the values in the JSON body.
  */
-class PostPusherJob : public BaseJob {
+class QUOTIENT_API PostPusherJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/pushrules.h b/lib/csapi/pushrules.h
index a5eb48f0..d6c57efd 100644
--- a/lib/csapi/pushrules.h
+++ b/lib/csapi/pushrules.h
@@ -19,7 +19,7 @@ namespace Quotient {
  * `/pushrules/global/`. This will return a subset of this data under the
  * specified key e.g. the `global` key.
  */
-class GetPushRulesJob : public BaseJob {
+class QUOTIENT_API GetPushRulesJob : public BaseJob {
 public:
     /// Retrieve all push rulesets.
     explicit GetPushRulesJob();
@@ -44,7 +44,7 @@ public:
  *
  * Retrieve a single specified push rule.
  */
-class GetPushRuleJob : public BaseJob {
+class QUOTIENT_API GetPushRuleJob : public BaseJob {
 public:
     /*! \brief Retrieve a push rule.
      *
@@ -79,7 +79,7 @@ public:
  *
  * This endpoint removes the push rule defined in the path.
  */
-class DeletePushRuleJob : public BaseJob {
+class QUOTIENT_API DeletePushRuleJob : public BaseJob {
 public:
     /*! \brief Delete a push rule.
      *
@@ -112,7 +112,7 @@ public:
  *
  * When creating push rules, they MUST be enabled by default.
  */
-class SetPushRuleJob : public BaseJob {
+class QUOTIENT_API SetPushRuleJob : public BaseJob {
 public:
     /*! \brief Add or change a push rule.
      *
@@ -160,7 +160,7 @@ public:
  *
  * This endpoint gets whether the specified push rule is enabled.
  */
-class IsPushRuleEnabledJob : public BaseJob {
+class QUOTIENT_API IsPushRuleEnabledJob : public BaseJob {
 public:
     /*! \brief Get whether a push rule is enabled
      *
@@ -195,7 +195,7 @@ public:
  *
  * This endpoint allows clients to enable or disable the specified push rule.
  */
-class SetPushRuleEnabledJob : public BaseJob {
+class QUOTIENT_API SetPushRuleEnabledJob : public BaseJob {
 public:
     /*! \brief Enable or disable a push rule.
      *
@@ -219,7 +219,7 @@ public:
  *
  * This endpoint get the actions for the specified push rule.
  */
-class GetPushRuleActionsJob : public BaseJob {
+class QUOTIENT_API GetPushRuleActionsJob : public BaseJob {
 public:
     /*! \brief The actions for a push rule
      *
@@ -258,7 +258,7 @@ public:
  * This endpoint allows clients to change the actions of a push rule.
  * This can be used to change the actions of builtin rules.
  */
-class SetPushRuleActionsJob : public BaseJob {
+class QUOTIENT_API SetPushRuleActionsJob : public BaseJob {
 public:
     /*! \brief Set the actions for a push rule.
      *
diff --git a/lib/csapi/read_markers.h b/lib/csapi/read_markers.h
index 00a2aa0d..d13fa4fc 100644
--- a/lib/csapi/read_markers.h
+++ b/lib/csapi/read_markers.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * Sets the position of the read marker for a given room, and optionally
  * the read receipt's location.
  */
-class SetReadMarkerJob : public BaseJob {
+class QUOTIENT_API SetReadMarkerJob : public BaseJob {
 public:
     /*! \brief Set the position of the read marker for a room.
      *
diff --git a/lib/csapi/receipts.h b/lib/csapi/receipts.h
index 7ac093cd..e29e7b29 100644
--- a/lib/csapi/receipts.h
+++ b/lib/csapi/receipts.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * This API updates the marker for the given receipt type to the event ID
  * specified.
  */
-class PostReceiptJob : public BaseJob {
+class QUOTIENT_API PostReceiptJob : public BaseJob {
 public:
     /*! \brief Send a receipt for the given event ID.
      *
diff --git a/lib/csapi/redaction.h b/lib/csapi/redaction.h
index f0db9f9f..29d9c5d5 100644
--- a/lib/csapi/redaction.h
+++ b/lib/csapi/redaction.h
@@ -22,7 +22,7 @@ namespace Quotient {
  *
  * Server administrators may redact events sent by users on their server.
  */
-class RedactEventJob : public BaseJob {
+class QUOTIENT_API RedactEventJob : public BaseJob {
 public:
     /*! \brief Strips all non-integrity-critical information out of an event.
      *
diff --git a/lib/csapi/registration.h b/lib/csapi/registration.h
index c1614f20..10375971 100644
--- a/lib/csapi/registration.h
+++ b/lib/csapi/registration.h
@@ -59,7 +59,7 @@ namespace Quotient {
  * Any user ID returned by this API must conform to the grammar given in the
  * [Matrix specification](/appendices/#user-identifiers).
  */
-class RegisterJob : public BaseJob {
+class QUOTIENT_API RegisterJob : public BaseJob {
 public:
     /*! \brief Register for an account on this homeserver.
      *
@@ -143,7 +143,7 @@ public:
  * should validate the email itself, either by sending a validation email
  * itself or by using a service it has control over.
  */
-class RequestTokenToRegisterEmailJob : public BaseJob {
+class QUOTIENT_API RequestTokenToRegisterEmailJob : public BaseJob {
 public:
     /*! \brief Begins the validation process for an email to be used during
      * registration.
@@ -175,7 +175,7 @@ public:
  * should validate the phone number itself, either by sending a validation
  * message itself or by using a service it has control over.
  */
-class RequestTokenToRegisterMSISDNJob : public BaseJob {
+class QUOTIENT_API RequestTokenToRegisterMSISDNJob : public BaseJob {
 public:
     /*! \brief Requests a validation token be sent to the given phone number for
      * the purpose of registering an account
@@ -215,7 +215,7 @@ public:
  * access token provided in the request. Whether other access tokens for
  * the user are revoked depends on the request parameters.
  */
-class ChangePasswordJob : public BaseJob {
+class QUOTIENT_API ChangePasswordJob : public BaseJob {
 public:
     /*! \brief Changes a user's password.
      *
@@ -257,7 +257,7 @@ public:
  * The homeserver should validate the email itself, either by sending a
  * validation email itself or by using a service it has control over.
  */
-class RequestTokenToResetPasswordEmailJob : public BaseJob {
+class QUOTIENT_API RequestTokenToResetPasswordEmailJob : public BaseJob {
 public:
     /*! \brief Requests a validation token be sent to the given email address
      * for the purpose of resetting a user's password
@@ -309,7 +309,7 @@ public:
  * The homeserver should validate the phone number itself, either by sending a
  * validation message itself or by using a service it has control over.
  */
-class RequestTokenToResetPasswordMSISDNJob : public BaseJob {
+class QUOTIENT_API RequestTokenToResetPasswordMSISDNJob : public BaseJob {
 public:
     /*! \brief Requests a validation token be sent to the given phone number for
      * the purpose of resetting a user's password.
@@ -361,7 +361,7 @@ public:
  * parameter because the homeserver is expected to sign the request to the
  * identity server instead.
  */
-class DeactivateAccountJob : public BaseJob {
+class QUOTIENT_API DeactivateAccountJob : public BaseJob {
 public:
     /*! \brief Deactivate a user's account.
      *
@@ -411,7 +411,7 @@ public:
  * reserve the username. This can mean that the username becomes unavailable
  * between checking its availability and attempting to register it.
  */
-class CheckUsernameAvailabilityJob : public BaseJob {
+class QUOTIENT_API CheckUsernameAvailabilityJob : public BaseJob {
 public:
     /*! \brief Checks to see if a username is available on the server.
      *
diff --git a/lib/csapi/report_content.h b/lib/csapi/report_content.h
index e401c2e1..8c533c19 100644
--- a/lib/csapi/report_content.h
+++ b/lib/csapi/report_content.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * Reports an event as inappropriate to the server, which may then notify
  * the appropriate people.
  */
-class ReportContentJob : public BaseJob {
+class QUOTIENT_API ReportContentJob : public BaseJob {
 public:
     /*! \brief Reports an event as inappropriate.
      *
diff --git a/lib/csapi/room_send.h b/lib/csapi/room_send.h
index 96f5beca..fea3d59d 100644
--- a/lib/csapi/room_send.h
+++ b/lib/csapi/room_send.h
@@ -18,7 +18,7 @@ namespace Quotient {
  * fields in this object will vary depending on the type of event. See
  * [Room Events](/client-server-api/#room-events) for the m. event specification.
  */
-class SendMessageJob : public BaseJob {
+class QUOTIENT_API SendMessageJob : public BaseJob {
 public:
     /*! \brief Send a message event to the given room.
      *
diff --git a/lib/csapi/room_state.h b/lib/csapi/room_state.h
index f95af223..a00b0947 100644
--- a/lib/csapi/room_state.h
+++ b/lib/csapi/room_state.h
@@ -29,7 +29,7 @@ namespace Quotient {
  * state event is to be sent. Servers do not validate aliases which are
  * being removed or are already present in the state event.
  */
-class SetRoomStateWithKeyJob : public BaseJob {
+class QUOTIENT_API SetRoomStateWithKeyJob : public BaseJob {
 public:
     /*! \brief Send a state event to the given room.
      *
diff --git a/lib/csapi/room_upgrades.h b/lib/csapi/room_upgrades.h
index 58327587..0432f667 100644
--- a/lib/csapi/room_upgrades.h
+++ b/lib/csapi/room_upgrades.h
@@ -12,7 +12,7 @@ namespace Quotient {
  *
  * Upgrades the given room to a particular room version.
  */
-class UpgradeRoomJob : public BaseJob {
+class QUOTIENT_API UpgradeRoomJob : public BaseJob {
 public:
     /*! \brief Upgrades a room to a new room version.
      *
diff --git a/lib/csapi/rooms.h b/lib/csapi/rooms.h
index 2620582b..f0815109 100644
--- a/lib/csapi/rooms.h
+++ b/lib/csapi/rooms.h
@@ -15,7 +15,7 @@ namespace Quotient {
  * Get a single event based on `roomId/eventId`. You must have permission to
  * retrieve this event e.g. by being a member in the room for this event.
  */
-class GetOneRoomEventJob : public BaseJob {
+class QUOTIENT_API GetOneRoomEventJob : public BaseJob {
 public:
     /*! \brief Get a single event by event ID.
      *
@@ -48,7 +48,7 @@ public:
  * state of the room. If the user has left the room then the state is
  * taken from the state of the room when they left.
  */
-class GetRoomStateWithKeyJob : public BaseJob {
+class QUOTIENT_API GetRoomStateWithKeyJob : public BaseJob {
 public:
     /*! \brief Get the state identified by the type and key.
      *
@@ -80,7 +80,7 @@ public:
  *
  * Get the state events for the current state of a room.
  */
-class GetRoomStateJob : public BaseJob {
+class QUOTIENT_API GetRoomStateJob : public BaseJob {
 public:
     /*! \brief Get all state events in the current state of a room.
      *
@@ -106,7 +106,7 @@ public:
  *
  * Get the list of members for this room.
  */
-class GetMembersByRoomJob : public BaseJob {
+class QUOTIENT_API GetMembersByRoomJob : public BaseJob {
 public:
     /*! \brief Get the m.room.member events for the room.
      *
@@ -161,7 +161,7 @@ public:
  * respond than `/members` as it can be implemented more efficiently on the
  * server.
  */
-class GetJoinedMembersByRoomJob : public BaseJob {
+class QUOTIENT_API GetJoinedMembersByRoomJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/search.h b/lib/csapi/search.h
index 3d02752a..8683413d 100644
--- a/lib/csapi/search.h
+++ b/lib/csapi/search.h
@@ -15,7 +15,7 @@ namespace Quotient {
  *
  * Performs a full text search across different categories.
  */
-class SearchJob : public BaseJob {
+class QUOTIENT_API SearchJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/sso_login_redirect.h b/lib/csapi/sso_login_redirect.h
index ade1eb7d..f4f81c1e 100644
--- a/lib/csapi/sso_login_redirect.h
+++ b/lib/csapi/sso_login_redirect.h
@@ -17,7 +17,7 @@ namespace Quotient {
  * or present a page which lets the user select an IdP to continue
  * with in the event multiple are supported by the server.
  */
-class RedirectToSSOJob : public BaseJob {
+class QUOTIENT_API RedirectToSSOJob : public BaseJob {
 public:
     /*! \brief Redirect the user's browser to the SSO interface.
      *
@@ -44,7 +44,7 @@ public:
  * The server MUST respond with an HTTP redirect to the SSO interface
  * for that IdP.
  */
-class RedirectToIdPJob : public BaseJob {
+class QUOTIENT_API RedirectToIdPJob : public BaseJob {
 public:
     /*! \brief Redirect the user's browser to the SSO interface for an IdP.
      *
diff --git a/lib/csapi/tags.h b/lib/csapi/tags.h
index a854531a..f4250674 100644
--- a/lib/csapi/tags.h
+++ b/lib/csapi/tags.h
@@ -12,7 +12,7 @@ namespace Quotient {
  *
  * List the tags set by a user on a room.
  */
-class GetRoomTagsJob : public BaseJob {
+class QUOTIENT_API GetRoomTagsJob : public BaseJob {
 public:
     // Inner data structures
 
@@ -68,7 +68,7 @@ struct JsonObjectConverter<GetRoomTagsJob::Tag> {
  *
  * Add a tag to the room.
  */
-class SetRoomTagJob : public BaseJob {
+class QUOTIENT_API SetRoomTagJob : public BaseJob {
 public:
     /*! \brief Add a tag to a room.
      *
@@ -98,7 +98,7 @@ public:
  *
  * Remove a tag from the room.
  */
-class DeleteRoomTagJob : public BaseJob {
+class QUOTIENT_API DeleteRoomTagJob : public BaseJob {
 public:
     /*! \brief Remove a tag from the room.
      *
diff --git a/lib/csapi/third_party_lookup.h b/lib/csapi/third_party_lookup.h
index 969e767c..30c5346e 100644
--- a/lib/csapi/third_party_lookup.h
+++ b/lib/csapi/third_party_lookup.h
@@ -18,7 +18,7 @@ namespace Quotient {
  * homeserver. Includes both the available protocols and all fields
  * required for queries against each protocol.
  */
-class GetProtocolsJob : public BaseJob {
+class QUOTIENT_API GetProtocolsJob : public BaseJob {
 public:
     /// Retrieve metadata about all protocols that a homeserver supports.
     explicit GetProtocolsJob();
@@ -45,7 +45,7 @@ public:
  * Fetches the metadata from the homeserver about a particular third party
  * protocol.
  */
-class GetProtocolMetadataJob : public BaseJob {
+class QUOTIENT_API GetProtocolMetadataJob : public BaseJob {
 public:
     /*! \brief Retrieve metadata about a specific protocol that the homeserver
      * supports.
@@ -82,7 +82,7 @@ public:
  * identifier. It should attempt to canonicalise the identifier as much
  * as reasonably possible given the network type.
  */
-class QueryLocationByProtocolJob : public BaseJob {
+class QUOTIENT_API QueryLocationByProtocolJob : public BaseJob {
 public:
     /*! \brief Retrieve Matrix-side portals rooms leading to a third party
      * location.
@@ -119,7 +119,7 @@ public:
  * Retrieve a Matrix User ID linked to a user on the third party service, given
  * a set of user parameters.
  */
-class QueryUserByProtocolJob : public BaseJob {
+class QUOTIENT_API QueryUserByProtocolJob : public BaseJob {
 public:
     /*! \brief Retrieve the Matrix User ID of a corresponding third party user.
      *
@@ -155,7 +155,7 @@ public:
  * Retrieve an array of third party network locations from a Matrix room
  * alias.
  */
-class QueryLocationByAliasJob : public BaseJob {
+class QUOTIENT_API QueryLocationByAliasJob : public BaseJob {
 public:
     /*! \brief Reverse-lookup third party locations given a Matrix room alias.
      *
@@ -184,7 +184,7 @@ public:
  *
  * Retrieve an array of third party users from a Matrix User ID.
  */
-class QueryUserByIDJob : public BaseJob {
+class QUOTIENT_API QueryUserByIDJob : public BaseJob {
 public:
     /*! \brief Reverse-lookup third party users given a Matrix User ID.
      *
diff --git a/lib/csapi/third_party_membership.h b/lib/csapi/third_party_membership.h
index a424678f..1edb969e 100644
--- a/lib/csapi/third_party_membership.h
+++ b/lib/csapi/third_party_membership.h
@@ -52,7 +52,7 @@ namespace Quotient {
  * If a token is requested from the identity server, the homeserver will
  * append a `m.room.third_party_invite` event to the room.
  */
-class InviteBy3PIDJob : public BaseJob {
+class QUOTIENT_API InviteBy3PIDJob : public BaseJob {
 public:
     /*! \brief Invite a user to participate in a particular room.
      *
diff --git a/lib/csapi/to_device.h b/lib/csapi/to_device.h
index 7a237195..5b6e0bfb 100644
--- a/lib/csapi/to_device.h
+++ b/lib/csapi/to_device.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * This endpoint is used to send send-to-device events to a set of
  * client devices.
  */
-class SendToDeviceJob : public BaseJob {
+class QUOTIENT_API SendToDeviceJob : public BaseJob {
 public:
     /*! \brief Send an event to a given set of devices.
      *
diff --git a/lib/csapi/typing.h b/lib/csapi/typing.h
index 64a310d0..234e91b0 100644
--- a/lib/csapi/typing.h
+++ b/lib/csapi/typing.h
@@ -15,7 +15,7 @@ namespace Quotient {
  * Alternatively, if `typing` is `false`, it tells the server that the
  * user has stopped typing.
  */
-class SetTypingJob : public BaseJob {
+class QUOTIENT_API SetTypingJob : public BaseJob {
 public:
     /*! \brief Informs the server that the user has started or stopped typing.
      *
diff --git a/lib/csapi/users.h b/lib/csapi/users.h
index ec186592..3c99758b 100644
--- a/lib/csapi/users.h
+++ b/lib/csapi/users.h
@@ -21,7 +21,7 @@ namespace Quotient {
  * names preferably using a collation determined based upon the
  * `Accept-Language` header provided in the request, if present.
  */
-class SearchUserDirectoryJob : public BaseJob {
+class QUOTIENT_API SearchUserDirectoryJob : public BaseJob {
 public:
     // Inner data structures
 
diff --git a/lib/csapi/versions.h b/lib/csapi/versions.h
index 896e2ea9..4445dbd2 100644
--- a/lib/csapi/versions.h
+++ b/lib/csapi/versions.h
@@ -31,7 +31,7 @@ namespace Quotient {
  * upgrade appropriately. Additionally, clients should avoid using unstable
  * features in their stable releases.
  */
-class GetVersionsJob : public BaseJob {
+class QUOTIENT_API GetVersionsJob : public BaseJob {
 public:
     /// Gets the versions of the specification supported by the server.
     explicit GetVersionsJob();
diff --git a/lib/csapi/voip.h b/lib/csapi/voip.h
index 087ebbbd..38904f60 100644
--- a/lib/csapi/voip.h
+++ b/lib/csapi/voip.h
@@ -13,7 +13,7 @@ namespace Quotient {
  * This API provides credentials for the client to use when initiating
  * calls.
  */
-class GetTurnServerJob : public BaseJob {
+class QUOTIENT_API GetTurnServerJob : public BaseJob {
 public:
     /// Obtain TURN server credentials.
     explicit GetTurnServerJob();
diff --git a/lib/csapi/wellknown.h b/lib/csapi/wellknown.h
index c707d232..8615191c 100644
--- a/lib/csapi/wellknown.h
+++ b/lib/csapi/wellknown.h
@@ -21,7 +21,7 @@ namespace Quotient {
  * Note that this endpoint is not necessarily handled by the homeserver,
  * but by another webserver, to be used for discovering the homeserver URL.
  */
-class GetWellknownJob : public BaseJob {
+class QUOTIENT_API GetWellknownJob : public BaseJob {
 public:
     /// Gets Matrix server discovery information about the domain.
     explicit GetWellknownJob();
diff --git a/lib/csapi/whoami.h b/lib/csapi/whoami.h
index 319f82c5..fba099f6 100644
--- a/lib/csapi/whoami.h
+++ b/lib/csapi/whoami.h
@@ -19,7 +19,7 @@ namespace Quotient {
  * is registered by the appservice, and return it in the response
  * body.
  */
-class GetTokenOwnerJob : public BaseJob {
+class QUOTIENT_API GetTokenOwnerJob : public BaseJob {
 public:
     /// Gets information about the owner of an access token.
     explicit GetTokenOwnerJob();
diff --git a/lib/eventitem.cpp b/lib/eventitem.cpp
index 4f1595bc..a2d65d8d 100644
--- a/lib/eventitem.cpp
+++ b/lib/eventitem.cpp
@@ -25,3 +25,7 @@ void PendingEventItem::setFileUploaded(const QUrl& remoteUrl)
     }
     setStatus(EventStatus::FileUploaded);
 }
+
+// Not exactly sure why but this helps with the linker not finding
+// Quotient::EventStatus::staticMetaObject when building Quaternion
+#include "moc_eventitem.cpp"
diff --git a/lib/eventitem.h b/lib/eventitem.h
index b411a90c..f04ef323 100644
--- a/lib/eventitem.h
+++ b/lib/eventitem.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include "events/stateevent.h"
+#include "quotient_common.h"
 
 #include <any>
 #include <utility>
@@ -11,7 +12,7 @@
 namespace Quotient {
 
 namespace EventStatus {
-    Q_NAMESPACE
+    QUO_NAMESPACE
 
     /** Special marks an event can assume
      *
@@ -33,7 +34,7 @@ namespace EventStatus {
     Q_ENUM_NS(Code)
 } // namespace EventStatus
 
-class EventItemBase {
+class QUOTIENT_API EventItemBase {
 public:
     explicit EventItemBase(RoomEventPtr&& e) : evt(std::move(e))
     {
@@ -74,7 +75,7 @@ private:
     std::any data;
 };
 
-class TimelineItem : public EventItemBase {
+class QUOTIENT_API TimelineItem : public EventItemBase {
 public:
     // For compatibility with Qt containers, even though we use
     // a std:: container now for the room timeline
@@ -103,7 +104,7 @@ inline const CallEventBase* EventItemBase::viewAs<CallEventBase>() const
     return evt->isCallEvent() ? weakPtrCast<const CallEventBase>(evt) : nullptr;
 }
 
-class PendingEventItem : public EventItemBase {
+class QUOTIENT_API PendingEventItem : public EventItemBase {
 public:
     using EventItemBase::EventItemBase;
 
diff --git a/lib/events/accountdataevents.h b/lib/events/accountdataevents.h
index 9cf77be3..c0f2202d 100644
--- a/lib/events/accountdataevents.h
+++ b/lib/events/accountdataevents.h
@@ -50,7 +50,7 @@ struct JsonObjectConverter<TagRecord> {
 using TagsMap = QHash<QString, TagRecord>;
 
 #define DEFINE_SIMPLE_EVENT(_Name, _TypeId, _ContentType, _ContentKey)       \
-    class _Name : public Event {                                             \
+    class QUOTIENT_API _Name : public Event {                             \
     public:                                                                  \
         using content_type = _ContentType;                                   \
         DEFINE_EVENT_TYPEID(_TypeId, _Name)                                  \
diff --git a/lib/events/callanswerevent.h b/lib/events/callanswerevent.h
index 4c01c941..8ffe60f2 100644
--- a/lib/events/callanswerevent.h
+++ b/lib/events/callanswerevent.h
@@ -7,7 +7,7 @@
 #include "roomevent.h"
 
 namespace Quotient {
-class CallAnswerEvent : public CallEventBase {
+class QUOTIENT_API CallAnswerEvent : public CallEventBase {
 public:
     DEFINE_EVENT_TYPEID("m.call.answer", CallAnswerEvent)
 
@@ -26,6 +26,5 @@ public:
         return contentPart<QJsonObject>("answer"_ls).value("sdp"_ls).toString();
     }
 };
-
 REGISTER_EVENT_TYPE(CallAnswerEvent)
 } // namespace Quotient
diff --git a/lib/events/callhangupevent.h b/lib/events/callhangupevent.h
index f3f82833..b0017c59 100644
--- a/lib/events/callhangupevent.h
+++ b/lib/events/callhangupevent.h
@@ -7,7 +7,7 @@
 #include "roomevent.h"
 
 namespace Quotient {
-class CallHangupEvent : public CallEventBase {
+class QUOTIENT_API CallHangupEvent : public CallEventBase {
 public:
     DEFINE_EVENT_TYPEID("m.call.hangup", CallHangupEvent)
 
diff --git a/lib/events/callinviteevent.h b/lib/events/callinviteevent.h
index 80b7d651..47362b5c 100644
--- a/lib/events/callinviteevent.h
+++ b/lib/events/callinviteevent.h
@@ -7,7 +7,7 @@
 #include "roomevent.h"
 
 namespace Quotient {
-class CallInviteEvent : public CallEventBase {
+class QUOTIENT_API CallInviteEvent : public CallEventBase {
 public:
     DEFINE_EVENT_TYPEID("m.call.invite", CallInviteEvent)
 
diff --git a/lib/events/directchatevent.h b/lib/events/directchatevent.h
index e2143779..2018d3d6 100644
--- a/lib/events/directchatevent.h
+++ b/lib/events/directchatevent.h
@@ -6,7 +6,7 @@
 #include "event.h"
 
 namespace Quotient {
-class DirectChatEvent : public Event {
+class QUOTIENT_API DirectChatEvent : public Event {
 public:
     DEFINE_EVENT_TYPEID("m.direct", DirectChatEvent)
 
diff --git a/lib/events/encryptedevent.h b/lib/events/encryptedevent.h
index de89a7c6..81343a29 100644
--- a/lib/events/encryptedevent.h
+++ b/lib/events/encryptedevent.h
@@ -25,7 +25,7 @@ namespace Quotient {
  * in general. It's possible, because RoomEvent interface is similar to Event's
  * one and doesn't add new restrictions, just provides additional features.
  */
-class EncryptedEvent : public RoomEvent {
+class QUOTIENT_API EncryptedEvent : public RoomEvent {
 public:
     DEFINE_EVENT_TYPEID("m.room.encrypted", EncryptedEvent)
 
diff --git a/lib/events/encryptionevent.h b/lib/events/encryptionevent.h
index 14439fcc..dfb28b2f 100644
--- a/lib/events/encryptionevent.h
+++ b/lib/events/encryptionevent.h
@@ -8,7 +8,7 @@
 #include "stateevent.h"
 
 namespace Quotient {
-class EncryptionEventContent : public EventContent::Base {
+class QUOTIENT_API EncryptionEventContent : public EventContent::Base {
 public:
     enum EncryptionType : size_t { MegolmV1AesSha2 = 0, Undefined };
 
@@ -26,7 +26,7 @@ protected:
 
 using EncryptionType = EncryptionEventContent::EncryptionType;
 
-class EncryptionEvent : public StateEvent<EncryptionEventContent> {
+class QUOTIENT_API EncryptionEvent : public StateEvent<EncryptionEventContent> {
     Q_GADGET
 public:
     DEFINE_EVENT_TYPEID("m.room.encryption", EncryptionEvent)
@@ -51,6 +51,5 @@ public:
     int rotationPeriodMs() const { return content().rotationPeriodMs; }
     int rotationPeriodMsgs() const { return content().rotationPeriodMsgs; }
 };
-
 REGISTER_EVENT_TYPE(EncryptionEvent)
 } // namespace Quotient
diff --git a/lib/events/event.cpp b/lib/events/event.cpp
index 96be717c..4c304a3c 100644
--- a/lib/events/event.cpp
+++ b/lib/events/event.cpp
@@ -9,22 +9,14 @@
 
 using namespace Quotient;
 
-event_type_t EventTypeRegistry::initializeTypeId(event_mtype_t matrixTypeId)
-{
-    const auto id = get().eventTypes.size();
-    get().eventTypes.push_back(matrixTypeId);
-    if (strncmp(matrixTypeId, "", 1) == 0)
-        qDebug(EVENTS) << "Initialized unknown event type with id" << id;
-    else
-        qDebug(EVENTS) << "Initialized event type" << matrixTypeId << "with id"
-                       << id;
-    return id;
-}
+QString EventTypeRegistry::getMatrixType(event_type_t typeId) { return typeId; }
 
-QString EventTypeRegistry::getMatrixType(event_type_t typeId)
+void _impl::EventFactoryBase::logAddingMethod(event_type_t TypeId,
+                                              size_t newSize)
 {
-    return typeId < get().eventTypes.size() ? get().eventTypes[typeId]
-                                            : QString();
+    qDebug(EVENTS) << "Adding factory method for" << TypeId << "events;"
+                   << newSize << "methods will be in the" << name
+                   << "chain";
 }
 
 Event::Event(Type type, const QJsonObject& json) : _type(type), _json(json)
diff --git a/lib/events/event.h b/lib/events/event.h
index 8347bb4f..f12e525e 100644
--- a/lib/events/event.h
+++ b/lib/events/event.h
@@ -55,60 +55,32 @@ inline QJsonObject basicEventJson(const QString& matrixType,
     return { { TypeKey, matrixType }, { ContentKey, content } };
 }
 
-// === Event types and event types registry ===
+// === Event types ===
 
-using event_type_t = size_t;
+using event_type_t = QLatin1String;
 using event_mtype_t = const char*;
 
-class EventTypeRegistry {
+class QUOTIENT_API EventTypeRegistry {
 public:
     ~EventTypeRegistry() = default;
 
-    static event_type_t initializeTypeId(event_mtype_t matrixTypeId);
-
-    template <typename EventT>
-    static inline event_type_t initializeTypeId()
-    {
-        return initializeTypeId(EventT::matrixTypeId());
-    }
-
+    [[deprecated("event_type_t is a string now, use it directly instead")]]
     static QString getMatrixType(event_type_t typeId);
 
 private:
     EventTypeRegistry() = default;
     Q_DISABLE_COPY_MOVE(EventTypeRegistry)
-
-    static EventTypeRegistry& get()
-    {
-        static EventTypeRegistry etr;
-        return etr;
-    }
-
-    std::vector<event_mtype_t> eventTypes;
-};
-
-template <>
-inline event_type_t EventTypeRegistry::initializeTypeId<void>()
-{
-    return initializeTypeId("");
-}
-
-template <typename EventT>
-struct EventTypeTraits {
-    static event_type_t id()
-    {
-        static const auto id = EventTypeRegistry::initializeTypeId<EventT>();
-        return id;
-    }
 };
 
 template <typename EventT>
-inline event_type_t typeId()
+constexpr event_type_t typeId()
 {
-    return EventTypeTraits<std::decay_t<EventT>>::id();
+    return std::decay_t<EventT>::TypeId;
 }
 
-inline event_type_t unknownEventTypeId() { return typeId<void>(); }
+constexpr event_type_t UnknownEventTypeId = "?"_ls;
+[[deprecated("Use UnknownEventTypeId")]]
+constexpr event_type_t unknownEventTypeId() { return UnknownEventTypeId; }
 
 // === Event creation facilities ===
 
@@ -120,80 +92,98 @@ inline event_ptr_tt<EventT> makeEvent(ArgTs&&... args)
 }
 
 namespace _impl {
-    template <class EventT, class BaseEventT>
-    event_ptr_tt<BaseEventT> makeIfMatches(const QJsonObject& json,
-                                           const QString& matrixType)
-    {
-        return QLatin1String(EventT::matrixTypeId()) == matrixType
-                   ? makeEvent<EventT>(json)
-                   : nullptr;
-    }
-
-    //! \brief A family of event factories to create events from CS API responses
-    //!
-    //! Each of these factories, as instantiated by event base types (Event,
-    //! RoomEvent etc.) is capable of producing an event object derived from
-    //! \p BaseEventT, using the JSON payload and the event type passed to its
-    //! make() method. Don't use these directly to make events; use loadEvent()
-    //! overloads as the frontend for these. Never instantiate new factories
-    //! outside of base event classes.
-    //! \sa loadEvent, setupFactory, Event::factory, RoomEvent::factory,
-    //!     StateEventBase::factory
-    template <typename BaseEventT>
-    class EventFactory
-        : private std::vector<event_ptr_tt<BaseEventT> (*)(const QJsonObject&,
-                                                           const QString&)> {
-        // Actual makeIfMatches specialisations will differ in the first
-        // template parameter but that doesn't affect the function type
+    class QUOTIENT_API EventFactoryBase {
     public:
-        explicit EventFactory(const char* name)
+        EventFactoryBase(const EventFactoryBase&) = delete;
+
+    protected: // This class is only to inherit from
+        explicit EventFactoryBase(const char* name)
             : name(name)
-        {
-            static auto yetToBeConstructed = true;
-            Q_ASSERT(yetToBeConstructed);
-            if (!yetToBeConstructed) // For Release builds that pass Q_ASSERT
-                qCritical(EVENTS)
-                    << "Another EventFactory for the same base type is being "
-                       "created - event creation logic will be splintered";
-            yetToBeConstructed = false;
-        }
-        EventFactory(const EventFactory&) = delete;
-
-        //! \brief Add a method to create events of a given type
-        //!
-        //! Adds a standard factory method (makeIfMatches) for \p EventT so that
-        //! event objects of this type can be created dynamically by loadEvent.
-        //! The caller is responsible for ensuring this method is called only
-        //! once per type.
-        //! \sa makeIfMatches, loadEvent, Quotient::loadEvent
-        template <class EventT>
-        bool addMethod()
-        {
-            this->emplace_back(&makeIfMatches<EventT, BaseEventT>);
-            qDebug(EVENTS) << "Added factory method for"
-                           << EventT::matrixTypeId() << "events;" << this->size()
-                           << "methods in the" << name << "chain by now";
-            return true;
-        }
-
-        auto loadEvent(const QJsonObject& json, const QString& matrixType)
-        {
-            for (const auto& f : *this)
-                if (auto e = f(json, matrixType))
-                    return e;
-            return makeEvent<BaseEventT>(unknownEventTypeId(), json);
-        }
+        {}
+        void logAddingMethod(event_type_t TypeId, size_t newSize);
 
+    private:
         const char* const name;
     };
 } // namespace _impl
 
+//! \brief A family of event factories to create events from CS API responses
+//!
+//! Each of these factories, as instantiated by event base types (Event,
+//! RoomEvent etc.) is capable of producing an event object derived from
+//! \p BaseEventT, using the JSON payload and the event type passed to its
+//! make() method. Don't use these directly to make events; use loadEvent()
+//! overloads as the frontend for these. Never instantiate new factories
+//! outside of base event classes.
+//! \sa loadEvent, setupFactory, Event::factory, RoomEvent::factory,
+//!     StateEventBase::factory
+template <typename BaseEventT>
+class EventFactory : public _impl::EventFactoryBase {
+private:
+    using method_t = event_ptr_tt<BaseEventT> (*)(const QJsonObject&,
+                                                  const QString&);
+    std::vector<method_t> methods {};
+
+    template <class EventT>
+    static event_ptr_tt<BaseEventT> makeIfMatches(const QJsonObject& json,
+                                                  const QString& matrixType)
+    {
+        // If your matrix event type is not all ASCII, it's your problem
+        // (see https://github.com/matrix-org/matrix-doc/pull/2758)
+        return EventT::TypeId == matrixType ? makeEvent<EventT>(json) : nullptr;
+    }
+
+public:
+    explicit EventFactory(const char* fName)
+        : EventFactoryBase { fName }
+    {}
+
+    //! \brief Add a method to create events of a given type
+    //!
+    //! Adds a standard factory method (makeIfMatches) for \p EventT so that
+    //! event objects of this type can be created dynamically by loadEvent.
+    //! The caller is responsible for ensuring this method is called only
+    //! once per type.
+    //! \sa loadEvent, Quotient::loadEvent
+    template <class EventT>
+    const auto& addMethod()
+    {
+        const auto m = &makeIfMatches<EventT>;
+        const auto it = std::find(methods.cbegin(), methods.cend(), m);
+        if (it != methods.cend())
+            return *it;
+        logAddingMethod(EventT::TypeId, methods.size() + 1);
+        return methods.emplace_back(m);
+    }
+
+    auto loadEvent(const QJsonObject& json, const QString& matrixType)
+    {
+        for (const auto& f : methods)
+            if (auto e = f(json, matrixType))
+                return e;
+        return makeEvent<BaseEventT>(UnknownEventTypeId, json);
+    }
+};
+
+//! \brief Point of customisation to dynamically load events
+//!
+//! The default specialisation of this calls BaseEventT::factory.loadEvent()
+//! and if that fails (i.e. returns nullptr) creates an unknown event of
+//! BaseEventT. Other specialisations may reuse other factories, add validations
+//! common to BaseEventT events, and so on.
+template <class BaseEventT>
+event_ptr_tt<BaseEventT> doLoadEvent(const QJsonObject& json,
+                                     const QString& matrixType)
+{
+    return BaseEventT::factory.loadEvent(json, matrixType);
+}
+
 // === Event ===
 
-class Event {
+class QUOTIENT_API Event {
 public:
     using Type = event_type_t;
-    static inline _impl::EventFactory<Event> factory { "Event" };
+    static inline EventFactory<Event> factory { "Event" };
 
     explicit Event(Type type, const QJsonObject& json);
     explicit Event(Type type, event_mtype_t matrixType,
@@ -243,7 +233,7 @@ public:
         return fromJson<T>(unsignedJson()[std::forward<KeyT>(key)]);
     }
 
-    friend QDebug operator<<(QDebug dbg, const Event& e)
+    friend QUOTIENT_API QDebug operator<<(QDebug dbg, const Event& e)
     {
         QDebugStateSaver _dss { dbg };
         dbg.noquote().nospace() << e.matrixType() << '(' << e.type() << "): ";
@@ -272,35 +262,22 @@ using Events = EventsArray<Event>;
 
 // This macro should be used in a public section of an event class to
 // provide matrixTypeId() and typeId().
-#define DEFINE_EVENT_TYPEID(_Id, _Type)                           \
-    static constexpr event_mtype_t matrixTypeId() { return _Id; } \
-    static auto typeId() { return Quotient::typeId<_Type>(); }    \
+#define DEFINE_EVENT_TYPEID(Id_, Type_)                           \
+    static constexpr event_type_t TypeId = Id_##_ls;              \
+    [[deprecated("Use _Type::TypeId directly instead")]]          \
+    static constexpr event_mtype_t matrixTypeId() { return Id_; } \
+    [[deprecated("Use _Type::TypeId directly instead")]]          \
+    static event_type_t typeId() { return TypeId; }               \
     // End of macro
 
 // This macro should be put after an event class definition (in .h or .cpp)
 // to enable its deserialisation from a /sync and other
 // polymorphic event arrays
-#define REGISTER_EVENT_TYPE(_Type)                            \
-    [[maybe_unused]] inline const auto _factoryAdded##_Type = \
-        _Type::factory.addMethod<_Type>();                    \
+#define REGISTER_EVENT_TYPE(Type_)                                \
+    [[maybe_unused]] inline const auto& factoryMethodFor##Type_ = \
+        Type_::factory.addMethod<Type_>();                        \
     // End of macro
 
-// === Event loading ===
-// (see also event_loader.h)
-
-//! \brief Point of customisation to dynamically load events
-//!
-//! The default specialisation of this calls BaseEventT::factory and if that
-//! fails (i.e. returns nullptr) creates an unknown event of BaseEventT.
-//! Other specialisations may reuse other factories, add validations common to
-//! BaseEventT, and so on
-template <class BaseEventT>
-event_ptr_tt<BaseEventT> doLoadEvent(const QJsonObject& json,
-                                     const QString& matrixType)
-{
-    return BaseEventT::factory.loadEvent(json, matrixType);
-}
-
 // === is<>(), eventCast<>() and switchOnType<>() ===
 
 template <class EventT>
@@ -311,7 +288,7 @@ inline bool is(const Event& e)
 
 inline bool isUnknown(const Event& e)
 {
-    return e.type() == unknownEventTypeId();
+    return e.type() == UnknownEventTypeId;
 }
 
 template <class EventT, typename BasePtrT>
diff --git a/lib/events/eventcontent.h b/lib/events/eventcontent.h
index f6dbd4bf..87ea3672 100644
--- a/lib/events/eventcontent.h
+++ b/lib/events/eventcontent.h
@@ -6,14 +6,15 @@
 // This file contains generic event content definitions, applicable to room
 // message events as well as other events (e.g., avatars).
 
+#include "encryptedfile.h"
+#include "quotient_export.h"
+
 #include <QtCore/QJsonObject>
 #include <QtCore/QMimeType>
 #include <QtCore/QSize>
 #include <QtCore/QUrl>
 #include <QtCore/QMetaType>
 
-#include "encryptedfile.h"
-
 class QFileInfo;
 
 namespace Quotient {
@@ -28,7 +29,7 @@ namespace EventContent {
      * assumed but not required that a content object can also be created
      * from plain data.
      */
-    class Base {
+    class QUOTIENT_API Base {
     public:
         explicit Base(QJsonObject o = {}) : originalJson(std::move(o)) {}
         virtual ~Base() = default;
@@ -76,7 +77,7 @@ namespace EventContent {
      *
      * This class is not polymorphic.
      */
-    class FileInfo {
+    class QUOTIENT_API FileInfo {
     public:
         FileInfo() = default;
         explicit FileInfo(const QFileInfo& fi);
@@ -121,7 +122,7 @@ namespace EventContent {
     /**
      * A content info class for image content types: image, thumbnail, video
      */
-    class ImageInfo : public FileInfo {
+    class QUOTIENT_API ImageInfo : public FileInfo {
     public:
         ImageInfo() = default;
         explicit ImageInfo(const QFileInfo& fi, QSize imageSize = {});
@@ -146,7 +147,7 @@ namespace EventContent {
      * the JSON representation of event content; namely,
      * "info/thumbnail_url" and "info/thumbnail_info" fields are used.
      */
-    class Thumbnail : public ImageInfo {
+    class QUOTIENT_API Thumbnail : public ImageInfo {
     public:
         Thumbnail() = default; // Allow empty thumbnails
         Thumbnail(const QJsonObject& infoJson, const Omittable<EncryptedFile> &file = none);
@@ -160,7 +161,7 @@ namespace EventContent {
         void fillInfoJson(QJsonObject* infoJson) const;
     };
 
-    class TypedBase : public Base {
+    class QUOTIENT_API TypedBase : public Base {
     public:
         virtual QMimeType type() const = 0;
         virtual const FileInfo* fileInfo() const { return nullptr; }
@@ -183,7 +184,7 @@ namespace EventContent {
      * \tparam InfoT base info class
      */
     template <class InfoT>
-    class UrlBasedContent : public TypedBase, public InfoT {
+    class QUOTIENT_API UrlBasedContent : public TypedBase, public InfoT {
     public:
         using InfoT::InfoT;
         explicit UrlBasedContent(const QJsonObject& json)
@@ -215,7 +216,7 @@ namespace EventContent {
     };
 
     template <typename InfoT>
-    class UrlWithThumbnailContent : public UrlBasedContent<InfoT> {
+    class QUOTIENT_API UrlWithThumbnailContent : public UrlBasedContent<InfoT> {
     public:
         // NB: when using inherited constructors, thumbnail has to be
         // initialised separately
diff --git a/lib/events/reactionevent.h b/lib/events/reactionevent.h
index 5a2b98c4..ce11eaed 100644
--- a/lib/events/reactionevent.h
+++ b/lib/events/reactionevent.h
@@ -7,7 +7,7 @@
 
 namespace Quotient {
 
-struct EventRelation {
+struct QUOTIENT_API EventRelation {
     using reltypeid_t = const char*;
     static constexpr reltypeid_t Reply() { return "m.in_reply_to"; }
     static constexpr reltypeid_t Annotation() { return "m.annotation"; }
@@ -31,12 +31,12 @@ struct EventRelation {
     }
 };
 template <>
-struct JsonObjectConverter<EventRelation> {
+struct QUOTIENT_API JsonObjectConverter<EventRelation> {
     static void dumpTo(QJsonObject& jo, const EventRelation& pod);
     static void fillFrom(const QJsonObject& jo, EventRelation& pod);
 };
 
-class ReactionEvent : public RoomEvent {
+class QUOTIENT_API ReactionEvent : public RoomEvent {
 public:
     DEFINE_EVENT_TYPEID("m.reaction", ReactionEvent)
 
diff --git a/lib/events/receiptevent.h b/lib/events/receiptevent.h
index 9683deef..5e077e47 100644
--- a/lib/events/receiptevent.h
+++ b/lib/events/receiptevent.h
@@ -19,7 +19,7 @@ struct ReceiptsForEvent {
 };
 using EventsWithReceipts = QVector<ReceiptsForEvent>;
 
-class ReceiptEvent : public Event {
+class QUOTIENT_API ReceiptEvent : public Event {
 public:
     DEFINE_EVENT_TYPEID("m.receipt", ReceiptEvent)
     explicit ReceiptEvent(const EventsWithReceipts& ewrs);
diff --git a/lib/events/roomavatarevent.h b/lib/events/roomavatarevent.h
index 8618ba31..c54b5801 100644
--- a/lib/events/roomavatarevent.h
+++ b/lib/events/roomavatarevent.h
@@ -7,7 +7,8 @@
 #include "stateevent.h"
 
 namespace Quotient {
-class RoomAvatarEvent : public StateEvent<EventContent::ImageContent> {
+class QUOTIENT_API RoomAvatarEvent
+    : public StateEvent<EventContent::ImageContent> {
     // It's a bit of an overkill to use a full-fledged ImageContent
     // because in reality m.room.avatar usually only has a single URL,
     // without a thumbnail. But The Spec says there be thumbnails, and
diff --git a/lib/events/roomcreateevent.h b/lib/events/roomcreateevent.h
index b3ad287c..016855b9 100644
--- a/lib/events/roomcreateevent.h
+++ b/lib/events/roomcreateevent.h
@@ -7,7 +7,7 @@
 #include "quotient_common.h"
 
 namespace Quotient {
-class RoomCreateEvent : public StateEventBase {
+class QUOTIENT_API RoomCreateEvent : public StateEventBase {
 public:
     DEFINE_EVENT_TYPEID("m.room.create", RoomCreateEvent)
 
diff --git a/lib/events/roomevent.h b/lib/events/roomevent.h
index 8be58481..dcee1170 100644
--- a/lib/events/roomevent.h
+++ b/lib/events/roomevent.h
@@ -11,9 +11,9 @@ namespace Quotient {
 class RedactionEvent;
 
 /** This class corresponds to m.room.* events */
-class RoomEvent : public Event {
+class QUOTIENT_API RoomEvent : public Event {
 public:
-    static inline _impl::EventFactory<RoomEvent> factory { "RoomEvent" };
+    static inline EventFactory<RoomEvent> factory { "RoomEvent" };
 
     // RedactionEvent is an incomplete type here so we cannot inline
     // constructors and destructors and we cannot use 'using'.
@@ -70,7 +70,7 @@ using RoomEventPtr = event_ptr_tt<RoomEvent>;
 using RoomEvents = EventsArray<RoomEvent>;
 using RoomEventsRange = Range<RoomEvents>;
 
-class CallEventBase : public RoomEvent {
+class QUOTIENT_API CallEventBase : public RoomEvent {
 public:
     CallEventBase(Type type, event_mtype_t matrixType, const QString& callId,
                   int version, const QJsonObject& contentJson = {});
diff --git a/lib/events/roomkeyevent.h b/lib/events/roomkeyevent.h
index d021fbec..c4df7936 100644
--- a/lib/events/roomkeyevent.h
+++ b/lib/events/roomkeyevent.h
@@ -6,7 +6,7 @@
 #include "event.h"
 
 namespace Quotient {
-class RoomKeyEvent : public Event
+class QUOTIENT_API RoomKeyEvent : public Event
 {
 public:
     DEFINE_EVENT_TYPEID("m.room_key", RoomKeyEvent)
diff --git a/lib/events/roommemberevent.h b/lib/events/roommemberevent.h
index 0fb464d4..5e446dbe 100644
--- a/lib/events/roommemberevent.h
+++ b/lib/events/roommemberevent.h
@@ -10,7 +10,7 @@
 #include "quotient_common.h"
 
 namespace Quotient {
-class MemberEventContent : public EventContent::Base {
+class QUOTIENT_API MemberEventContent : public EventContent::Base {
 public:
     using MembershipType
         [[deprecated("Use Quotient::Membership instead")]] = Membership;
@@ -33,7 +33,7 @@ protected:
 
 using MembershipType [[deprecated("Use Membership instead")]] = Membership;
 
-class RoomMemberEvent : public StateEvent<MemberEventContent> {
+class QUOTIENT_API RoomMemberEvent : public StateEvent<MemberEventContent> {
     Q_GADGET
 public:
     DEFINE_EVENT_TYPEID("m.room.member", RoomMemberEvent)
@@ -95,6 +95,5 @@ doLoadEvent<RoomMemberEvent>(const QJsonObject& json, const QString& matrixType)
         return makeEvent<RoomMemberEvent>(json);
     return makeEvent<RoomMemberEvent>(unknownEventTypeId(), json);
 }
-
 REGISTER_EVENT_TYPE(RoomMemberEvent)
 } // namespace Quotient
diff --git a/lib/events/roommessageevent.h b/lib/events/roommessageevent.h
index 56597ddc..0c901b7a 100644
--- a/lib/events/roommessageevent.h
+++ b/lib/events/roommessageevent.h
@@ -16,7 +16,7 @@ namespace MessageEventContent = EventContent; // Back-compatibility
 /**
  * The event class corresponding to m.room.message events
  */
-class RoomMessageEvent : public RoomEvent {
+class QUOTIENT_API RoomMessageEvent : public RoomEvent {
     Q_GADGET
 public:
     DEFINE_EVENT_TYPEID("m.room.message", RoomMessageEvent)
@@ -120,7 +120,7 @@ namespace EventContent {
      * Available fields: mimeType, body. The body can be either rich text
      * or plain text, depending on what mimeType specifies.
      */
-    class TextContent : public TypedBase {
+    class QUOTIENT_API TextContent : public TypedBase {
     public:
         TextContent(QString text, const QString& contentType,
                     Omittable<RelatesTo> relatesTo = none);
@@ -149,7 +149,7 @@ namespace EventContent {
      *   - thumbnail.mimeType
      *   - thumbnail.imageSize
      */
-    class LocationContent : public TypedBase {
+    class QUOTIENT_API LocationContent : public TypedBase {
     public:
         LocationContent(const QString& geoUri, const Thumbnail& thumbnail = {});
         explicit LocationContent(const QJsonObject& json);
@@ -168,7 +168,7 @@ namespace EventContent {
      * A base class for info types that include duration: audio and video
      */
     template <typename ContentT>
-    class PlayableContent : public ContentT {
+    class QUOTIENT_API PlayableContent : public ContentT {
     public:
         using ContentT::ContentT;
         PlayableContent(const QJsonObject& json)
diff --git a/lib/events/roompowerlevelsevent.h b/lib/events/roompowerlevelsevent.h
index 0346fc0d..80e27048 100644
--- a/lib/events/roompowerlevelsevent.h
+++ b/lib/events/roompowerlevelsevent.h
@@ -7,7 +7,7 @@
 #include "stateevent.h"
 
 namespace Quotient {
-class PowerLevelsEventContent : public EventContent::Base {
+class QUOTIENT_API PowerLevelsEventContent : public EventContent::Base {
 public:
     struct Notifications {
         int room;
@@ -34,7 +34,8 @@ protected:
     void fillJson(QJsonObject* o) const override;
 };
 
-class RoomPowerLevelsEvent : public StateEvent<PowerLevelsEventContent> {
+class QUOTIENT_API RoomPowerLevelsEvent
+    : public StateEvent<PowerLevelsEventContent> {
     Q_GADGET
 public:
     DEFINE_EVENT_TYPEID("m.room.power_levels", RoomPowerLevelsEvent)
@@ -61,9 +62,6 @@ public:
     int powerLevelForEvent(const QString& eventId) const;
     int powerLevelForState(const QString& eventId) const;
     int powerLevelForUser(const QString& userId) const;
-
-private:
 };
-
 REGISTER_EVENT_TYPE(RoomPowerLevelsEvent)
 } // namespace Quotient
diff --git a/lib/events/roomtombstoneevent.h b/lib/events/roomtombstoneevent.h
index 30e53738..e336c448 100644
--- a/lib/events/roomtombstoneevent.h
+++ b/lib/events/roomtombstoneevent.h
@@ -6,7 +6,7 @@
 #include "stateevent.h"
 
 namespace Quotient {
-class RoomTombstoneEvent : public StateEventBase {
+class QUOTIENT_API RoomTombstoneEvent : public StateEventBase {
 public:
     DEFINE_EVENT_TYPEID("m.room.tombstone", RoomTombstoneEvent)
 
diff --git a/lib/events/simplestateevents.h b/lib/events/simplestateevents.h
index 13597979..e6c05880 100644
--- a/lib/events/simplestateevents.h
+++ b/lib/events/simplestateevents.h
@@ -30,7 +30,8 @@ namespace EventContent {
 } // namespace EventContent
 
 #define DEFINE_SIMPLE_STATE_EVENT(_Name, _TypeId, _ValueType, _ContentKey)     \
-    class _Name : public StateEvent<EventContent::SimpleContent<_ValueType>> { \
+    class QUOTIENT_API _Name                                                \
+        : public StateEvent<EventContent::SimpleContent<_ValueType>> {         \
     public:                                                                    \
         using value_type = content_type::value_type;                           \
         DEFINE_EVENT_TYPEID(_TypeId, _Name)                                    \
diff --git a/lib/events/stateevent.h b/lib/events/stateevent.h
index c37965aa..88da68f8 100644
--- a/lib/events/stateevent.h
+++ b/lib/events/stateevent.h
@@ -17,9 +17,9 @@ inline QJsonObject basicStateEventJson(const QString& matrixTypeId,
              { ContentKey, content } };
 }
 
-class StateEventBase : public RoomEvent {
+class QUOTIENT_API StateEventBase : public RoomEvent {
 public:
-    static inline _impl::EventFactory<StateEventBase> factory { "StateEvent" };
+    static inline EventFactory<StateEventBase> factory { "StateEvent" };
 
     StateEventBase(Type type, const QJsonObject& json);
     StateEventBase(Type type, event_mtype_t matrixType,
diff --git a/lib/events/stickerevent.h b/lib/events/stickerevent.h
index 93671086..0957dca3 100644
--- a/lib/events/stickerevent.h
+++ b/lib/events/stickerevent.h
@@ -11,7 +11,7 @@ namespace Quotient {
 /// Sticker messages are specialised image messages that are displayed without
 /// controls (e.g. no "download" link, or light-box view on click, as would be
 /// displayed for for m.image events).
-class StickerEvent : public RoomEvent
+class QUOTIENT_API StickerEvent : public RoomEvent
 {
 public:
     DEFINE_EVENT_TYPEID("m.sticker", StickerEvent)
diff --git a/lib/events/typingevent.h b/lib/events/typingevent.h
index 7456100a..522f7e42 100644
--- a/lib/events/typingevent.h
+++ b/lib/events/typingevent.h
@@ -6,7 +6,7 @@
 #include "event.h"
 
 namespace Quotient {
-class TypingEvent : public Event {
+class QUOTIENT_API TypingEvent : public Event {
 public:
     DEFINE_EVENT_TYPEID("m.typing", TypingEvent)
 
diff --git a/lib/eventstats.h b/lib/eventstats.h
index 77c661a7..a10c81fb 100644
--- a/lib/eventstats.h
+++ b/lib/eventstats.h
@@ -16,7 +16,7 @@ namespace Quotient {
 //! \note It's just a simple grouping of counters and is not automatically
 //! updated from the room as subsequent syncs arrive.
 //! \sa Room::unreadStats, Room::partiallyReadStats, Room::isEventNotable
-struct EventStats {
+struct QUOTIENT_API EventStats {
     Q_GADGET
     Q_PROPERTY(qsizetype notableCount MEMBER notableCount CONSTANT)
     Q_PROPERTY(qsizetype highlightCount MEMBER highlightCount CONSTANT)
@@ -109,6 +109,6 @@ public:
     bool isValidFor(const Room* room, const marker_t& marker) const;
 };
 
-QDebug operator<<(QDebug dbg, const EventStats& es);
+QUOTIENT_API QDebug operator<<(QDebug dbg, const EventStats& es);
 
 }
diff --git a/lib/jobs/basejob.h b/lib/jobs/basejob.h
index ddf243ed..f41fc63c 100644
--- a/lib/jobs/basejob.h
+++ b/lib/jobs/basejob.h
@@ -20,7 +20,7 @@ class ConnectionData;
 
 enum class HttpVerb { Get, Put, Post, Delete };
 
-class BaseJob : public QObject {
+class QUOTIENT_API BaseJob : public QObject {
     Q_OBJECT
     Q_PROPERTY(QUrl requestUrl READ requestUrl CONSTANT)
     Q_PROPERTY(int maxRetries READ maxRetries WRITE setMaxRetries)
@@ -470,7 +470,7 @@ private:
     QScopedPointer<Private> d;
 };
 
-inline bool isJobPending(BaseJob* job)
+inline bool QUOTIENT_API isJobPending(BaseJob* job)
 {
     return job && job->error() == BaseJob::Pending;
 }
diff --git a/lib/jobs/downloadfilejob.cpp b/lib/jobs/downloadfilejob.cpp
index 0b0531ad..6bf221cb 100644
--- a/lib/jobs/downloadfilejob.cpp
+++ b/lib/jobs/downloadfilejob.cpp
@@ -37,6 +37,8 @@ DownloadFileJob::DownloadFileJob(const QString& serverName,
     setObjectName(QStringLiteral("DownloadFileJob"));
 }
 
+DownloadFileJob::~DownloadFileJob() = default;
+
 QString DownloadFileJob::targetFileName() const
 {
     return (d->targetFile ? d->targetFile : d->tempFile)->fileName();
diff --git a/lib/jobs/downloadfilejob.h b/lib/jobs/downloadfilejob.h
index 0752af89..9e807fe7 100644
--- a/lib/jobs/downloadfilejob.h
+++ b/lib/jobs/downloadfilejob.h
@@ -6,13 +6,14 @@
 #include "csapi/content-repo.h"
 
 namespace Quotient {
-class DownloadFileJob : public GetContentJob {
+class QUOTIENT_API DownloadFileJob : public GetContentJob {
 public:
     using GetContentJob::makeRequestUrl;
     static QUrl makeRequestUrl(QUrl baseUrl, const QUrl& mxcUri);
 
     DownloadFileJob(const QString& serverName, const QString& mediaId,
                     const QString& localFilename = {});
+    ~DownloadFileJob() override;
 
     QString targetFileName() const;
 
diff --git a/lib/jobs/mediathumbnailjob.h b/lib/jobs/mediathumbnailjob.h
index 3183feb1..c9f6da35 100644
--- a/lib/jobs/mediathumbnailjob.h
+++ b/lib/jobs/mediathumbnailjob.h
@@ -8,7 +8,7 @@
 #include <QtGui/QPixmap>
 
 namespace Quotient {
-class MediaThumbnailJob : public GetContentThumbnailJob {
+class QUOTIENT_API MediaThumbnailJob : public GetContentThumbnailJob {
 public:
     using GetContentThumbnailJob::makeRequestUrl;
     static QUrl makeRequestUrl(QUrl baseUrl, const QUrl& mxcUri,
diff --git a/lib/jobs/requestdata.h b/lib/jobs/requestdata.h
index 4f05e5ff..41ad833a 100644
--- a/lib/jobs/requestdata.h
+++ b/lib/jobs/requestdata.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QByteArray>
 
 #include <memory>
@@ -19,7 +21,7 @@ namespace Quotient {
  * as well as JSON (and possibly other structures in the future) to
  * a QByteArray consumed by QNetworkAccessManager request methods.
  */
-class RequestData {
+class QUOTIENT_API RequestData {
 public:
     RequestData(const QByteArray& a = {});
     RequestData(const QJsonObject& jo);
diff --git a/lib/mxcreply.cpp b/lib/mxcreply.cpp
index 0b6643fc..fb16c79f 100644
--- a/lib/mxcreply.cpp
+++ b/lib/mxcreply.cpp
@@ -38,6 +38,8 @@ MxcReply::MxcReply(QNetworkReply* reply, Room* room, const QString &eventId)
     });
 }
 
+MxcReply::~MxcReply() = default;
+
 #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
 #define ERROR_SIGNAL errorOccurred
 #else
diff --git a/lib/mxcreply.h b/lib/mxcreply.h
index efaf01c6..1d31d608 100644
--- a/lib/mxcreply.h
+++ b/lib/mxcreply.h
@@ -3,18 +3,22 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtNetwork/QNetworkReply>
 #include <memory>
 
 namespace Quotient {
 class Room;
 
-class MxcReply : public QNetworkReply
+class QUOTIENT_API MxcReply : public QNetworkReply
 {
+    Q_OBJECT
 public:
     explicit MxcReply();
     explicit MxcReply(QNetworkReply *reply);
     MxcReply(QNetworkReply* reply, Room* room, const QString& eventId);
+    ~MxcReply() override;
 
 public Q_SLOTS:
     void abort() override;
diff --git a/lib/networkaccessmanager.h b/lib/networkaccessmanager.h
index 87bc12a1..d06f9736 100644
--- a/lib/networkaccessmanager.h
+++ b/lib/networkaccessmanager.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtNetwork/QNetworkAccessManager>
 
 #include <memory>
@@ -10,7 +12,7 @@
 namespace Quotient {
 class Room;
 class Connection;
-class NetworkAccessManager : public QNetworkAccessManager {
+class QUOTIENT_API NetworkAccessManager : public QNetworkAccessManager {
     Q_OBJECT
 public:
     NetworkAccessManager(QObject* parent = nullptr);
diff --git a/lib/networksettings.h b/lib/networksettings.h
index b83a0e15..44247e59 100644
--- a/lib/networksettings.h
+++ b/lib/networksettings.h
@@ -10,7 +10,7 @@
 Q_DECLARE_METATYPE(QNetworkProxy::ProxyType)
 
 namespace Quotient {
-class NetworkSettings : public SettingsGroup {
+class QUOTIENT_API NetworkSettings : public SettingsGroup {
     Q_OBJECT
     QUO_DECLARE_SETTING(QNetworkProxy::ProxyType, proxyType, setProxyType)
     QUO_DECLARE_SETTING(QString, proxyHostName, setProxyHostName)
diff --git a/lib/quotient_common.h b/lib/quotient_common.h
index 0e3e2a40..3d38ce1f 100644
--- a/lib/quotient_common.h
+++ b/lib/quotient_common.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <qobjectdefs.h>
 
 #include <array>
@@ -26,8 +28,21 @@
 #define DECL_DEPRECATED_ENUMERATOR(Deprecated, Recommended) \
     Deprecated Q_DECL_ENUMERATOR_DEPRECATED_X("Use " #Recommended) = Recommended
 
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+// The first line forward-declares the namespace static metaobject with
+// QUOTIENT_API so that dynamically linked clients could serialise flag/enum
+// values from the namespace; Qt before 5.14 doesn't help with that. The second
+// line is needed for moc to do its job on the namespace.
+#define QUO_NAMESPACE \
+    extern QUOTIENT_API const QMetaObject staticMetaObject; \
+    Q_NAMESPACE
+#else
+// Since Qt 5.14.0, it's all packed in a single macro
+#define QUO_NAMESPACE Q_NAMESPACE_EXPORT(QUOTIENT_API)
+#endif
+
 namespace Quotient {
-Q_NAMESPACE
+QUO_NAMESPACE
 
 // std::array {} needs explicit template parameters on macOS because
 // Apple stdlib doesn't have deduction guides for std::array. C++20 has
diff --git a/lib/quotient_export.h b/lib/quotient_export.h
new file mode 100644
index 00000000..5a6edb0e
--- /dev/null
+++ b/lib/quotient_export.h
@@ -0,0 +1,23 @@
+// SPDX-FileCopyrightText: 2021 Kitsune Ral <kitsune-ral@users.sf.net>
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#pragma once
+
+#ifdef QUOTIENT_STATIC
+#  define QUOTIENT_API
+#  define QUOTIENT_HIDDEN
+#else
+#  ifndef QUOTIENT_API
+#    ifdef BUILDING_SHARED_QUOTIENT
+        /* We are building this library */
+#      define QUOTIENT_API Q_DECL_EXPORT
+#    else
+        /* We are using this library */
+#      define QUOTIENT_API Q_DECL_IMPORT
+#    endif
+#  endif
+
+#  ifndef QUOTIENT_HIDDEN
+#    define QUOTIENT_HIDDEN Q_DECL_HIDDEN
+#  endif
+#endif
diff --git a/lib/room.h b/lib/room.h
index cbe3d1ad..e1e4fb91 100644
--- a/lib/room.h
+++ b/lib/room.h
@@ -45,7 +45,7 @@ class RedactEventJob;
  * This is specifically tuned to work with QML exposing all traits as
  * Q_PROPERTY values.
  */
-class FileTransferInfo {
+class QUOTIENT_API FileTransferInfo {
     Q_GADGET
     Q_PROPERTY(bool isUpload MEMBER isUpload CONSTANT)
     Q_PROPERTY(bool active READ active CONSTANT)
@@ -73,7 +73,7 @@ public:
 
 //! \brief Data structure for a room member's read receipt
 //! \sa Room::lastReadReceipt
-class ReadReceipt {
+class QUOTIENT_API ReadReceipt {
     Q_GADGET
     Q_PROPERTY(QString eventId MEMBER eventId CONSTANT)
     Q_PROPERTY(QDateTime timestamp MEMBER timestamp CONSTANT)
@@ -110,7 +110,7 @@ private:
     Q_PROPERTY(Type type MEMBER type CONSTANT)
 };
 
-class Room : public QObject {
+class QUOTIENT_API Room : public QObject {
     Q_OBJECT
     Q_PROPERTY(Connection* connection READ connection CONSTANT)
     Q_PROPERTY(User* localUser READ localUser CONSTANT)
@@ -1044,7 +1044,7 @@ private:
     void setJoinState(JoinState state);
 };
 
-class MemberSorter {
+class QUOTIENT_API MemberSorter {
 public:
     explicit MemberSorter(const Room* r) : room(r) {}
 
diff --git a/lib/settings.h b/lib/settings.h
index 3cab8958..ff99d488 100644
--- a/lib/settings.h
+++ b/lib/settings.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QSettings>
 #include <QtCore/QUrl>
 #include <QtCore/QVector>
@@ -11,7 +13,7 @@ class QVariant;
 
 namespace Quotient {
 
-class Settings : public QSettings {
+class QUOTIENT_API Settings : public QSettings {
     Q_OBJECT
 public:
     /// Add a legacy organisation/application name to migrate settings from
@@ -76,7 +78,7 @@ protected:
     QSettings legacySettings { legacyOrganizationName, legacyApplicationName };
 };
 
-class SettingsGroup : public Settings {
+class QUOTIENT_API SettingsGroup : public Settings {
 public:
     explicit SettingsGroup(QString path, QObject* parent = nullptr)
         : Settings(parent)
@@ -124,7 +126,7 @@ private:
         setValue(QStringLiteral(qsettingname), std::move(newValue));  \
     }
 
-class AccountSettings : public SettingsGroup {
+class QUOTIENT_API AccountSettings : public SettingsGroup {
     Q_OBJECT
     Q_PROPERTY(QString userId READ userId CONSTANT)
     QUO_DECLARE_SETTING(QString, deviceId, setDeviceId)
diff --git a/lib/ssosession.h b/lib/ssosession.h
index 72dd60c4..a658c043 100644
--- a/lib/ssosession.h
+++ b/lib/ssosession.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QUrl>
 #include <QtCore/QObject>
 
@@ -29,7 +31,7 @@ class Connection;
  *     connection->prepareForSso(initialDeviceName)->ssoUrl());
  * \endcode
  */
-class SsoSession : public QObject {
+class QUOTIENT_API SsoSession : public QObject {
     Q_OBJECT
     Q_PROPERTY(QUrl ssoUrl READ ssoUrl CONSTANT)
     Q_PROPERTY(QUrl callbackUrl READ callbackUrl CONSTANT)
diff --git a/lib/syncdata.h b/lib/syncdata.h
index 36d2e0bf..e29540c2 100644
--- a/lib/syncdata.h
+++ b/lib/syncdata.h
@@ -22,7 +22,7 @@ constexpr auto HighlightCountKey = "highlight_count"_ls;
  * means that nothing has come from the server; heroes.value().isEmpty()
  * means a peculiar case of a room with the only member - the current user.
  */
-struct RoomSummary {
+struct QUOTIENT_API RoomSummary {
     Omittable<int> joinedMemberCount;
     Omittable<int> invitedMemberCount;
     Omittable<QStringList> heroes; //< mxids of users to take part in the room
diff --git a/lib/uri.h b/lib/uri.h
index d8b892b6..78cd27c8 100644
--- a/lib/uri.h
+++ b/lib/uri.h
@@ -23,7 +23,7 @@ namespace Quotient {
  * its type, and obtain components, also in either unencoded (for displaying)
  * or encoded (for APIs) form.
  */
-class Uri : private QUrl {
+class QUOTIENT_API Uri : private QUrl {
     Q_GADGET
 public:
     enum Type : char {
diff --git a/lib/uriresolver.h b/lib/uriresolver.h
index ff97324a..9140046c 100644
--- a/lib/uriresolver.h
+++ b/lib/uriresolver.h
@@ -25,7 +25,7 @@ class User;
  * gradual implementation. Derived classes are encouraged to override as many
  * of them as possible.
  */
-class UriResolverBase {
+class QUOTIENT_API UriResolverBase {
 public:
     /*! \brief Resolve the resource and dispatch an action depending on its type
      *
@@ -105,7 +105,7 @@ protected:
  *
  * \sa UriResolverBase, UriDispatcher
  */
-UriResolveResult
+QUOTIENT_API UriResolveResult
 visitResource(Connection* account, const Uri& uri,
               std::function<UriResolveResult(User*, QString)> userHandler,
               std::function<void(Room*, QString)> roomEventHandler,
@@ -141,7 +141,7 @@ inline UriResolveResult checkResource(Connection* account, const Uri& uri)
  * synchronously - the returned value is the result of resolving the URI,
  * not acting on it.
  */
-class UriDispatcher : public QObject, public UriResolverBase {
+class QUOTIENT_API UriDispatcher : public QObject, public UriResolverBase {
     Q_OBJECT
 public:
     explicit UriDispatcher(QObject* parent = nullptr) : QObject(parent) {}
diff --git a/lib/user.h b/lib/user.h
index 78b72bf2..435304ce 100644
--- a/lib/user.h
+++ b/lib/user.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include "avatar.h"
+#include "quotient_export.h"
 
 #include <QtCore/QObject>
 
@@ -13,7 +14,7 @@ class Connection;
 class Room;
 class RoomMemberEvent;
 
-class User : public QObject {
+class QUOTIENT_API User : public QObject {
     Q_OBJECT
     Q_PROPERTY(QString id READ id CONSTANT)
     Q_PROPERTY(bool isGuest READ isGuest CONSTANT)
diff --git a/lib/util.h b/lib/util.h
index 97f0ecbc..399f93c2 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include "quotient_export.h"
+
 #include <QtCore/QLatin1String>
 #include <QtCore/QHashFunctions>
 
@@ -244,26 +246,26 @@ inline std::pair<InputIt, ForwardIt> findFirstOf(InputIt first, InputIt last,
 }
 
 /** Convert what looks like a URL or a Matrix ID to an HTML hyperlink */
-void linkifyUrls(QString& htmlEscapedText);
+QUOTIENT_API void linkifyUrls(QString& htmlEscapedText);
 
 /** Sanitize the text before showing in HTML
  *
  * This does toHtmlEscaped() and removes Unicode BiDi marks.
  */
-QString sanitized(const QString& plainText);
+QUOTIENT_API QString sanitized(const QString& plainText);
 
 /** Pretty-print plain text into HTML
  *
  * This includes HTML escaping of <,>,",& and calling linkifyUrls()
  */
-QString prettyPrint(const QString& plainText);
+QUOTIENT_API QString prettyPrint(const QString& plainText);
 
 /** Return a path to cache directory after making sure that it exists
  *
  * The returned path has a trailing slash, clients don't need to append it.
  * \param dir path to cache directory relative to the standard cache path
  */
-QString cacheLocation(const QString& dirName);
+QUOTIENT_API QString cacheLocation(const QString& dirName);
 
 /** Hue color component of based of the hash of the string.
  *
@@ -272,13 +274,13 @@ QString cacheLocation(const QString& dirName);
  * Naming and range are the same as QColor's hueF method:
  * https://doc.qt.io/qt-5/qcolor.html#integer-vs-floating-point-precision
  */
-qreal stringToHueF(const QString& s);
+QUOTIENT_API qreal stringToHueF(const QString& s);
 
 /** Extract the serverpart from MXID */
-QString serverPart(const QString& mxId);
+QUOTIENT_API QString serverPart(const QString& mxId);
 
-QString versionString();
-int majorVersion();
-int minorVersion();
-int patchVersion();
+QUOTIENT_API QString versionString();
+QUOTIENT_API int majorVersion();
+QUOTIENT_API int minorVersion();
+QUOTIENT_API int patchVersion();
 } // namespace Quotient
diff --git a/quotest/CMakeLists.txt b/quotest/CMakeLists.txt
index cb41141d..ec305620 100644
--- a/quotest/CMakeLists.txt
+++ b/quotest/CMakeLists.txt
@@ -8,6 +8,11 @@ find_package(${Qt} COMPONENTS Concurrent)
 add_executable(quotest ${quotest_SRCS})
 target_link_libraries(quotest PRIVATE ${Qt}::Core ${Qt}::Test ${Qt}::Concurrent ${PROJECT_NAME})
 
+set_target_properties(quotest PROPERTIES
+    VISIBILITY_INLINES_HIDDEN ON
+    CXX_VISIBILITY_PRESET hidden
+)
+
 if (MSVC)
     target_compile_options(quotest PUBLIC /EHsc /W4
         /wd4100 /wd4127 /wd4242 /wd4244 /wd4245 /wd4267 /wd4365 /wd4456 /wd4459
diff --git a/quotest/quotest.cpp b/quotest/quotest.cpp
index 7bd9c5c3..5a5642fe 100644
--- a/quotest/quotest.cpp
+++ b/quotest/quotest.cpp
@@ -101,6 +101,7 @@ private slots:
     TEST_DECL(sendMessage)
     TEST_DECL(sendReaction)
     TEST_DECL(sendFile)
+    TEST_DECL(sendCustomEvent)
     TEST_DECL(setTopic)
     TEST_DECL(changeName)
     TEST_DECL(sendAndRedact)
@@ -125,6 +126,7 @@ private:
     [[nodiscard]] bool checkRedactionOutcome(const QByteArray& thisTest,
                                              const QString& evtIdToRedact);
 
+    template <class EventT>
     [[nodiscard]] bool validatePendingEvent(const QString& txnId);
     [[nodiscard]] bool checkDirectChat() const;
     void finishTest(const TestToken& token, bool condition, const char* file,
@@ -152,12 +154,14 @@ void TestSuite::doTest(const QByteArray& testName)
                               Q_ARG(TestToken, testName));
 }
 
+template <class EventT>
 bool TestSuite::validatePendingEvent(const QString& txnId)
 {
     auto it = targetRoom->findPendingEvent(txnId);
     return it != targetRoom->pendingEvents().end()
            && it->deliveryStatus() == EventStatus::Submitted
-           && (*it)->transactionId() == txnId;
+           && (*it)->transactionId() == txnId && is<EventT>(**it)
+           && (*it)->matrixType() == EventT::matrixTypeId();
 }
 
 void TestSuite::finishTest(const TestToken& token, bool condition,
@@ -341,7 +345,7 @@ TEST_IMPL(loadMembers)
 TEST_IMPL(sendMessage)
 {
     auto txnId = targetRoom->postPlainText("Hello, " % origin % " is here");
-    if (!validatePendingEvent(txnId)) {
+    if (!validatePendingEvent<RoomMessageEvent>(txnId)) {
         clog << "Invalid pending event right after submitting" << endl;
         FAIL_TEST();
     }
@@ -367,7 +371,7 @@ TEST_IMPL(sendReaction)
     const auto targetEvtId = targetRoom->messageEvents().back()->id();
     const auto key = QStringLiteral("+1");
     const auto txnId = targetRoom->postReaction(targetEvtId, key);
-    if (!validatePendingEvent(txnId)) {
+    if (!validatePendingEvent<ReactionEvent>(txnId)) {
         clog << "Invalid pending event right after submitting" << endl;
         FAIL_TEST();
     }
@@ -409,7 +413,7 @@ TEST_IMPL(sendFile)
     clog << "Sending file " << tfName.toStdString() << endl;
     const auto txnId = targetRoom->postFile(
         "Test file", new EventContent::FileContent(tfi));
-    if (!validatePendingEvent(txnId)) {
+    if (!validatePendingEvent<RoomMessageEvent>(txnId)) {
         clog << "Invalid pending event right after submitting" << endl;
         tf->deleteLater();
         FAIL_TEST();
@@ -518,6 +522,50 @@ bool TestSuite::checkFileSendingOutcome(const TestToken& thisTest,
     return true;
 }
 
+class CustomEvent : public RoomEvent {
+public:
+    DEFINE_EVENT_TYPEID("quotest.custom", CustomEvent)
+
+    CustomEvent(const QJsonObject& jo)
+        : RoomEvent(typeId(), jo)
+    {}
+    CustomEvent(int testValue)
+        : RoomEvent(typeId(),
+                    basicEventJson(matrixTypeId(),
+                                   QJsonObject { { "testValue"_ls,
+                                                   toJson(testValue) } }))
+    {}
+
+    auto testValue() const { return contentPart<int>("testValue"_ls); }
+};
+REGISTER_EVENT_TYPE(CustomEvent)
+
+TEST_IMPL(sendCustomEvent)
+{
+    auto txnId = targetRoom->postEvent(new CustomEvent(42));
+    if (!validatePendingEvent<CustomEvent>(txnId)) {
+        clog << "Invalid pending event right after submitting" << endl;
+        FAIL_TEST();
+    }
+    connectUntil(
+        targetRoom, &Room::pendingEventAboutToMerge, this,
+        [this, thisTest, txnId](const RoomEvent* evt, int pendingIdx) {
+            const auto& pendingEvents = targetRoom->pendingEvents();
+            Q_ASSERT(pendingIdx >= 0 && pendingIdx < int(pendingEvents.size()));
+
+            if (evt->transactionId() != txnId)
+                return false;
+
+            return switchOnType(*evt,
+                [this, thisTest, &evt](const CustomEvent& e) {
+                    FINISH_TEST(!evt->id().isEmpty() && e.testValue() == 42);
+                },
+                [this, thisTest] (const RoomEvent&) { FAIL_TEST(); });
+        });
+    return false;
+
+}
+
 TEST_IMPL(setTopic)
 {
     const auto newTopic = connection()->generateTxnId(); // Just a way to make
@@ -567,7 +615,6 @@ TEST_IMPL(changeName)
     return false;
 }
 
-
 TEST_IMPL(showLocalUsername)
 {
     auto* const localUser = connection()->user();