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Changelog

All notable changes to this project will be documented in this file.

0.18.0 - 2026-06-02

Added

Add RoomInfo::fully_read_event_id to expose the user’s m.fully_read event ID. (#6569)
Expose Client::tile_server on the FFI, returning a TileServerInfo record when the homeserver advertises a map tile server through its matrix client well-known (MSC3488). The record carries a single map_style_url field pointing at a MapLibre style.json. (#6610)
Expose SqliteStoreBuilder::key to allow clients to specify a key as a 32-bytes array that will be used as is, skipping the key derivation process and speeding up opening DB connections. Note this should only be used for truly random values with high entropy, for user-provided passphrases the SqliteStoreBuilder::passphrase function should still be used. Some examples for the bindings are:
Kotlin:
```
val buffer = ByteArray(size = 32)
SecureRandom().nextBytes(buffer)
return buffer // this now contains the key
```
Swift:
```
var bytes = [UInt8](repeating: 0, count: 32)
SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes)
return Data(bytes: bytes) // this now contains the key
``` ([#6805](https://github.com/matrix-org/matrix-rust-sdk/pulls/6805))
```

Changed

[breaking] SpaceRoomList::rooms and SpaceRoomList::subscribe_to_room_updates are now asynchronous. (#6561)
[breaking] Client::set_pusher now takes an append: bool parameter, forwarded to the homeserver. Pass true to keep an existing pusher with the same app_id and pushkey registered for other users (e.g. multi-profile clients on a single device); pass false to preserve the previous default behaviour. (#6600)

[0.17.0] - 2026-05-08

Bug fixes

Add Client::set_avatar_url to manually set the avatar URL of the user to a provided MXC one.
Allow setting a custom Sliding Sync connection ID and timeline limit on RoomListService. (#6289)
Fix devices on Android 11 crashing because the SDK could not be initialized using libloading to get a reference to the JVM. Replaced libloading with jvm-getter, which works like a compatibility layer. (#6370)
Added android_platform.rs for fixing the rustls integration on Android, which was broken. (#6306)
[breaking] OtherState properly supports redacted events that still have fields in the content. The following fields are no longer optional:
- federate in OtherState::RoomCreate.
- history_visibility in OtherState::RoomHistoryVisibility.
- thresholds in OtherState::RoomPowerLevels.
omit_checksums option is now enabled for the Kotlin bindings in all FFI-exporting crates. We enabled them because with JNA direct mapping enabled they result in invalid checks in ARM 32bit devices, preventing the SDK from working altogether (see this issue). (#6069, #6112, #6115, #6116).
Client::create_room now uses RoomPowerLevelsContentOverride under the hood instead of RoomPowerLevelsEventContent to be able to explicitly set values which would previously be ignored if they matched the default power level values specified by the spec: these may not be the same in the homeserver and result in rooms with incorrect power levels being created. (#6034)
Fix the is_last_admin check in LeaveSpaceRoom since it was not accounting for the membership state. #6032
[breaking] LatestEventValue::Local { is_sending: bool } is replaced by [state: LatestEventValueLocalState] to represent 3 states: IsSending, HasBeenSent and CannotBeSent. (#5968)

Features

RoomNotificationInfo, NotificationItem and SpaceRoom now have is_dm fields. (#6537)
Expose RoomMember::is_service_member field. (#6536)
Expose beacon and beacon_info fields in RoomPowerLevelsValues and RoomPowerLevelChanges, allowing clients to read and update the power levels required to send beacon (live location) message events and beacon info state events respectively. (#6540)
Expose ClientBuilder::dm_room_definition to customize the DM room definition used by the Client, added RoomInfo::is_dm field based on it. (#6490)
Expose HumanQrGrantLoginError::Unknown reason in error message. (#6514)
Add a list of declined_by: Vec<String> to the TimelineItemContent::RtcNotification, this will contain the list of users that have declined the call. (#6494)
Add RoomInfo::active_service_members_count and NotificationRoomInfo::active_service_members_count, returning the amount of service members that are part of the room. (#6483)
Add Client::get_dm_rooms function to get a list with the DMs for the provided user id. (#6487)
Expose ffi::NotificationRoomInfo::service_members so clients can use the list of service members to calculate if a room is a DM from the notification info. (#6474)
Enable experimental-push-secrets feature by default. (#6473)
Add new high-level search helpers RoomSearchIterator and GlobalSearchIterator to perform searches for messages in a room or across all rooms. (6394)
Added the Client.request_openid_token() method. (#6458)
Added the Client::import_secrets_bundle method. (#6212)
[breaking] Remove support for native-tls and remove all feature flags for selecting TLS backend, as rustls is the now the only supported TLS backend. (#6409)
Expose event_type_raw and latest_json() on EventTimelineItem, allowing clients to access the raw event type string and full event JSON for custom event handling without pattern-matching through nested enums. (#6387) (#6424)
Expose sync v2 API through FFI via Client.sync_v2() and Client.sync_once_v2(), enabling mobile clients to sync without requiring Sliding Sync support on the homeserver. Client.sync_v2() accepts a SyncListenerV2 callback that receives a SyncResponseV2 after each successful sync. (#6359)
Added HomeserverCapabilities and Client::homeserver_capabilities() to get the capabilities of the homeserver. (#6371)
Expose Room.send_state_event_raw() for sending arbitrary state events through the FFI layer. (#6350)
Introduce a ThreadListService which offers reactive interfaces for rendering and managing the list of threads from a particular room. (6311)
[breaking] Move LiveLocation out of TimelineItemContent and into MsgLikeKind so it has access to MsgLikeContent reactions. (#6286)
Add HumanQrLoginError::UnsupportedQrCodeType for when a QR is parseable but cannot be used to complete a login. (#6141
Add HumanQrGrantLoginError::UnsupportedQrCodeType for when a QR is parseable but cannot be used to grant a login. (#6141
Add the QrCodeData::base_url and QrCodeData::intent methods. (#6283)
Add Encryption::recover_and_fix_backup to automatically fix key storage backup if the private backup decryption key is missing, invalid or inconsistent with the public key. (#6252)
Add support for MSC3489
live location sharing through a new TimelineItemContent::LiveLocation variant. (#6232)
Add HumanQrGrantLoginError::ConnectionInsecure for errors establishing the secure channel (#6141
Add HumanQrGrantLoginError::Expired for when a timeout is encountered during the grant (#6141
Add HumanQrGrantLoginError::Cancelled for when the grant is cancelled (#6141
Add HumanQrGrantLoginError::OtherDeviceAlreadySignedIn for when the other device is already signed in (#6141
Add HumanQrGrantLoginError::DeviceNotFound for when the requested device was not returned by the homeserver (#6141
Add RoomInfo::is_low_priority for getting the room’s m.lowpriority tag state (#6183)
Add Client::subscribe_to_duplicate_key_upload_errors for listening to duplicate key upload errors from /keys/upload. (#6135)
Add NotificationItem::raw_event to get the raw event content of the event that triggered the notification, which can be useful for debugging and to support clients that want to implement custom handling for certain notifications. (#6122)
[breaking] Extend TimelineFocus::Event to allow marking the target event as the root of a thread. #6050
[breaking] Remove TimelineFilter::EventTypeFilter which has been replaced by the more generic TimelineFilter::EventFilter. Users of TimelineEventTypeFilter::include and TimelineEventTypeFilter::exclude can switch to TimelineEventFilter::include_event_types and TimelineEventFilter::exclude_event_types. (#6070)
Add TimelineFilter::EventFilter for filtering events based on their type or content. For content filtering, only membership and profile change filters are available as of now. (#6048)
Introduce SpaceFilters as a mechanism for narrowing down what’s displayed in the room list (#6025)
Expose room power level thresholds in OtherState::RoomPowerLevels (ban, kick, invite, redact, state & events defaults, per-event overrides, notifications), so clients can compute the required power level for actions and compare with previous values. (#5931)
Add RoomCreationParameters::is_space parameter to be able to create spaces. (#6010)
[breaking] LazyTimelineItemProvider::get_shields no longer returns an an Option: the ShieldState type contains a None variant, so the Option was redundant. The message field has also been removed: since there was no way to localise the returned string, applications should not be using it. (#5959)
Add Room::list_threads to list all the threads in a room. (#5953)
Add SpaceService::get_space_room to get a space given its id from the space graph if available. #5944
Add QrCodeData::to_bytes() to allow generation of a QR code. (#5939)
[breaking]: The new Latest Event API replaces the old API. Room::new_latest_event overwrites the Room::latest_event method. See the documentation of matrix_sdk::latest_event to learn about the new API. #5624
Created RoomPowerLevels::events function which returns a HashMap<TimelineEventType, i64> with all the power levels per event type. (#5937)
Expose EventTimelineItem::forwarder and forwarder_profile, which, if present, provide the ID and profile of the user who forwarded the keys used to decrypt the event as part of an MSC4268 key bundle. (#6000)
Add NonFavorite filter to the Room List API. (#5991
Add call_intent (either RtcCallIntent::Audio or RtcCallIntent::Video) field to RtcNotification event content. (#6207)
Add RoomInfo::active_room_call_consensus_intent method to get the call intent for the current call, based on what members are advertising. (#6274)

Refactor

[breaking] All OIDC related types and functions have been renamed from Oidc/oidc to OAuth/oauth to align with the finalised naming in the spec. (#6500)
[breaking] LiveLocationShares has been renamed to LiveLocationsObserver and Room::live_location_shares to Room::live_locations_observer. (#6446)
[breaking] Room::observe_live_location_shares has been replaced by Room::live_locations_observer. Call [LiveLocationsObserver::subscribe] on it to receive an initial snapshot and a stream of incremental updates.The stream is seeded from the event cache on creation and includes the own user’s shares (previously excluded). LiveLocationShare.is_live has been removed; instead ts (start timestamp) and timeout (duration in milliseconds) are now exposed so clients can compute liveness themselves via current_time < ts + timeout. Non-live shares are automatically removed from the list. A new LiveLocationShareListener callback interface must be implemented and passed to the method. (#6385)
[breaking] The RoomAliases variants of StateEventContent, StateEventType and OtherState was removed. This state event type was removed from the Matrix specification a while ago, and support for it has been removed in Ruma. (#6414)
Client::new no longer unnecessarily instantiates an OAuth component if CrossProcessLockConfig::SingleProcess is used. (#6293)
[breaking] Room::report_content() no longer takes a score argument, because it was removed from the Matrix specification. (#6256)
[breaking] The current_version field of ErrorKind::WrongRoomKeysVersion is no longer optional. (#6241)
[breaking] The following variants of AccountManagementAction were renamed to match their new names after being merge in the Matrix specification:
- SessionsList is renamed to DevicesList
- SessionView is renamed to DeviceView
- SessionEnd is renamed to DeviceDelete (#6217)
[breaking] HumanQrGrantLoginError::UnableToCreateDevice has been removed (#6141
[breaking] Removed ClientBuilder::enable_oidc_refresh_lock in favour of using ClientBuilder::cross_process_lock_config to configure that lock when a MultiProcess configuration is supplied. (#6204)
RoomPaginationStatus is renamed to PaginationStatus. (#6174)
[breaking] Replaced ClientBuilder::cross_process_store_locks_holder_name with ClientBuilder::cross_process_lock_config, which accepts a CrossProcessLockConfig value to specify whether the resulting Client will be used in a single process or multiple processes. (#6160)
[breaking] Refactored is_last_admin to is_last_owner the check will now account also for v12 rooms, where creators and users with PL 150 matter. (#6036)
[breaking] The existing TimelineEventType was renamed to TimelineEventContent, because it contained the actual contents of the event. Then, we created a new TimelineEventType enum that actually contains just the event type. (#5937)
[breaking] The function TimelineEvent::event_type is now TimelineEvent::content. (#5937)
[breaking] The SpaceService will no longer auto-subscribe to required client events when invoking the subscribe_to_joined_spaces but instead do it through its, now async, constructor. (#5972)
[breaking] The SpaceService’s joined_spaces method has been renamed top_level_joined_spaces and subscribe_to_joined_spaces to space_service.subscribe_to_top_level_joined_spaces (#5972)

[0.16.1] - 2026-05-08

No notable changes in this release.

[0.16.0] - 2025-12-04

Breaking changes

TimelineConfiguration::track_read_receipts’s type is now an enum to allow tracking to be enabled for all events (like before) or only for message-like events (which prevents read receipts from being placed on state events). (#5900)
Client::reset_server_info() has been split into reset_supported_versions() and reset_well_known(). (#5910)
Add HumanQrLoginError::NotFound for non-existing / expired rendezvous sessions (#5898)
Add HumanQrGrantLoginError::NotFound for non-existing / expired rendezvous sessions (#5898)
The LatestEventValue::Local type gains 2 new fields: sender and profile. (#5885)
The Encryption::user_identity() method has received a new argument. The fallback_to_server argument controls if we should attempt to fetch the user identity from the homeserver if it wasn’t found in the local storage. (#5870)
Expose the power level required to modify m.space.child on room::power_levels::RoomPowerLevelsValues.
Rename Client::login_with_qr_code to Client::new_login_with_qr_code_handler. (#5836)
Add the sqlite feature, along with the indexeddb feature, to enable either the SQLite or IndexedDB store. The session_paths, session_passphrase, session_pool_max_size, session_cache_size and session_journal_size_limit methods on ClientBuilder have been removed. New methods are added: ClientBuilder::in_memory_store if one wants non-persistent stores, ClientBuilder::sqlite_store to configure and to use SQLite stores (if the sqlite feature is enabled), and ClientBuilder::indexeddb_store to configure and to use IndexedDB stores (if the indexeddb feature is enabled). (#5811)
The code:
```
client_builder
    .session_paths("data_path", "cache_path")
    .passphrase("foobar")
```
now becomes:
```
client_builder
    .sqlite_store(
        SqliteSessionStoreBuilder::new("data_path", "cache_path")
            .passphrase("foobar")
    )
```
UniFFI was upgraded to v0.30.0 (#5808).
The waveform parameter in Timeline::send_voice_message format changed to a list of f32 between 0 and 1. (#5732)
The normalized_power_level field has been removed from the RoomMember struct. (#5635)
Remove the deprecated CallNotify event (org.matrix.msc4075.call.notify) in favor of the new RtcNotification event (org.matrix.msc4075.rtc.notification). (#5668)
Add QrLoginProgress::SyncingSecrets to indicate that secrets are being synced between the two devices. (#5760)
Add Room::subscribe_to_send_queue_updates to observe room send queue updates. (#5761)
Client::login_with_qr_code now returns a handler that allows performing the flow with either the current device scanning or generating the QR code. Additionally, new errors HumanQrLoginError::CheckCodeAlreadySent and HumanQrLoginError::CheckCodeCannotBeSent were added. (#5786)
ComposerDraft now includes attachments alongside the text message. (#5794)
Add Client::subscribe_to_send_queue_updates to observe global send queue updates. (#5784)

Features

Add Client::get_store_sizes() so to query the size of the existing stores, if available. (#5911)
Expose is_space in NotificationRoomInfo, allowing clients to determine if the room that triggered the notification is a space.
Add push actions to NotificationItem and replace SyncNotification with NotificationItem. (#5835)
Add Client::new_grant_login_with_qr_code_handler for granting login to a new device by way of a QR code. (#5836)
Add Client::register_notification_handler for observing notifications generated from sync responses. (#5831)
Add Room::mark_as_fully_read_unchecked so clients can mark a room as read without needing a Timeline instance. Note this method is not recommended as it can potentially cause incorrect read receipts, but it can needed in certain cases.
Add Timeline::latest_event_id to be able to fetch the event id of the latest event of the timeline.
Add Room::load_or_fetch_event so we can get a TimelineEvent given its event id (#5678).
Add TimelineEvent::thread_root_event_id to expose the thread root event id for this type too (#5678).
Add NotificationSettings::get_raw_push_rules so clients can fetch the raw JSON content of the push rules of the current user and include it in bug reports (#5706).
Add new API to decline calls (MSC4310): Room::decline_call and Room::subscribe_to_call_decline_events (#5614)
Expose m.federate in OtherState::RoomCreate and history_visibility in OtherState::RoomHistoryVisibility, allowing clients to know whether a room federates and how its history is shared in the appropriate timeline events.
Expose join_rule in OtherState::RoomJoinRules, allowing clients to know the join rules of a room from the appropriate timeline events.

Changes

Timeline::latest_event_id now uses its ui::Timeline::latest_event_id counterpart, instead of getting the latest event from the timeline and then its id.(#5864)
Build Android ARM64 bindings using better default RUSTFLAGS (the same used for iOS ARM64). This should improve performance. (#5854)

[0.14.0] - 2025-09-04

Features

Add LowPriority and NonLowPriority variants to RoomListEntriesDynamicFilterKind for filtering rooms based on their low priority status. These filters allow clients to show only low priority rooms or exclude low priority rooms from the room list. (#5508)
Add room_version and privileged_creators_role to RoomInfo (#5449).
The [unstable-hydra] feature has been enabled, which enables room v12 changes in the SDK. (#5450).
Add experimental support for MSC4306, with the Room::fetch_thread_subscription() and Room::set_thread_subscription() methods. (#5442)
[breaking] [GalleryUploadParameters::reply] and [UploadParameters::reply] have been both replaced with a new optional in_reply_to field, that’s a string which will be parsed into an OwnedEventId when sending the event. The thread relationship will be automatically filled in, based on the timeline focus. (5427)
[breaking] [Timeline::send_reply()] now automatically fills in the thread relationship, based on the timeline focus. As a result, it only takes an OwnedEventId parameter, instead of the Reply type. The proper way to start a thread is now thus to create a threaded-focused timeline, and then use Timeline::send(). (5427)
Add HomeserverLoginDetails::supports_sso_login for legacy SSO support information. This is primarily for Element X to give a dedicated error message in case it connects a homeserver with only this method available. (#5222)

Breaking changes

The timeline will now always use the send queue to upload medias, so the UploadParameters::use_send_queue bool has been removed. Make sure to listen to the send queue’s error updates, and to handle send queue restarts. (#5525)
Support for the legacy media upload progress has been disabled. Media upload progress is available through the send queue, and can be enabled thanks to Client::enable_send_queue_upload_progress(). (#5525)
TimelineDiff is now exported as a true uniffi::Enum instead of the weird uniffi::Object hybrid. This matches both RoomDirectorySearchEntryUpdate and RoomListEntriesUpdate and can be used in the same way. (#5474)
The creator field of RoomInfo has been renamed to creators and can now contain a list of user IDs, to reflect that a room can now have several creators, as introduced in room version 12. (#5436)
The PowerLevel type was introduced to represent power levels instead of i64 to differentiate the infinite power level of creators, as introduced in room version 12. It is used in suggested_role_for_power_level, suggested_power_level_for_role and RoomMember. (#5436)
Client::get_url now returns a Vec<u8> instead of a String. It also throws an error when the response isn’t status code 200 OK, instead of providing the error in the response body. (#5438)
RoomPreview::info() doesn’t return a result anymore. All unknown join rules are handled in the JoinRule::Custom variant. (#5337)
The reason argument of Room::report_room is now required, do to a clarification in the spec. (#5337)
PublicRoomJoinRule has more variants, supporting all the known values from the spec. (#5337)
The fields of MediaPreviewConfig are both optional, allowing to use the type for room account data as well as global account data. (#5337)
The event_id field of PredecessorRoom was removed, due to its removal in the Matrix specification with MSC4291. (#5419)
Client::url_for_oidc now allows requesting additional scopes for the OAuth2 authorization code grant. (#5395)
Client::url_for_oidc now allows passing an optional existing device id from a previous login call. (#5394)
ClientBuilder::build_with_qr_code has been removed. Instead, the Client should be built by passing QrCodeData::server_name to ClientBuilder::server_name_or_homeserver_url, after which QR login can be performed by calling Client::login_with_qr_code. (#5388)
The MSRV has been bumped to Rust 1.88. (#5431)
Room::send_call_notification and Room::send_call_notification_if_needed have been removed, since the event type they send is outdated, and Client is not actually supposed to be able to join MatrixRTC sessions (yet). In practice, users of these methods probably already rely on another MatrixRTC implementation to participate in sessions, and such an implementation should be capable of sending notifications itself.
The GalleryItemInfo variants now take an UploadSource rather than a String path to enable uploading from bytes directly. (#5529)
Media and gallery uploads now use UploadSource to specify the thumbnail. (#5530)

[0.13.0] - 2025-07-10

Features

Add NotificationRoomInfo::topic to the NotificationRoomInfo struct, which contains the topic of the room. This is useful for displaying the room topic in notifications. (#5300)
Add EmbeddedEventDetails::timestamp and EmbeddedEventDetails::event_or_transaction_id which are already available in regular timeline items. (#5331)
RoomListService::subscribe_to_rooms becomes async and automatically calls matrix_sdk::latest_events::LatestEvents::listen_to_room (#5369)

Refactor

Adjust features in the matrix-sdk-ffi crate to expose more platform-specific knobs. Previously the matrix-sdk-ffi was configured primarily by target configs, choosing between the tls flavor (rustls-tls or native-tls) and features like sentry based purely on the target. As we work to add an additional Wasm target to this crate, the cross product of target specific features has become somewhat chaotic, and we have shifted to externalize these choices as feature flags.
To maintain existing compatibility on the major platforms, these features should be used: Android: "bundled-sqlite,unstable-msc4274,rustls-tls,sentry" iOS: "bundled-sqlite,unstable-msc4274,native-tls,sentry" Javascript/Wasm: "unstable-msc4274,native-tls"
In the future additional choices (such as session storage, sqlite and indexeddb) will likely be added as well.

Breaking changes:

Client::reset_server_capabilities has been renamed to Client::reset_server_info. (#5167)
RoomPreview::join_rule, NotificationItem::join_rule, RoomInfo::is_public, and Room::is_public() return values are now optional. They will be set to None if the join rule state event is missing for a given room. NotificationRoomInfo::is_public has been removed; callers can inspect the value of NotificationItem::join_rule to determine if the room is public (i.e. if the join rule is Public). (#5278)

[0.12.0] - 2025-06-10

Breaking changes:

Client::send_call_notification_if_needed now returns Result<bool> instead of Result<()> so we can check if the event was sent.
Client::upload_avatar and Timeline::send_attachment now may fail if a file too large for the homeserver media config is uploaded.
UploadParameters replaces field filename: String with source: UploadSource. UploadSource is an enum which may take a filename or a filename and bytes, which allows a foreign language to read file contents natively and then pass those contents to the foreign function when uploading a file through the Timeline. (#4948)
RoomInfo replaces its field is_tombstoned: bool with tombstone: Option<RoomTombstoneInfo>, containing the data needed to implement the room migration UI, a message and the replacement room id. (#5027)

Additions:

Client::subscribe_to_room_info allows clients to subscribe to room info updates in rooms which may not be known yet. This is useful when displaying a room preview for an unknown room, so when we receive any membership change for it, we can automatically update the UI.
Client::get_max_media_upload_size to get the max size of a request sent to the homeserver so we can tweak our media uploads by compressing/transcoding the media.
Add ClientBuilder::enable_share_history_on_invite to enable experimental support for sharing encrypted room history on invite, per MSC4268. (#5141)
Support for adding a Sentry layer to the FFI bindings has been added. Only tracing statements with the field sentry=true will be forwarded to Sentry, in addition to default Sentry filters.
Add room topic string to StateEventContent
Add UploadSource for representing upload data - this is analogous to matrix_sdk_ui::timeline::AttachmentSource
Add Client::observe_account_data_event and Client::observe_room_account_data_event to subscribe to global and room account data changes. (#4994)
Add Timeline::send_gallery to send MSC4274-style galleries. (#5163)
Add reply_params to GalleryUploadParameters to allow sending galleries as (threaded) replies. (#5173)

Breaking changes:

contacts has been removed from OidcConfiguration (it was unused since the switch to OAuth).

[0.11.0] - 2025-04-11

Breaking changes:

TracingConfiguration now includes a new field trace_log_packs, which gives a convenient way to set the TRACE log level for multiple targets related to a given feature. (#4824)
setup_tracing has been renamed init_platform; in addition to the TracingConfiguration parameter it also now takes a boolean indicating whether to spawn a minimal tokio runtime for the application; in general for main app processes this can be set to false, and memory-constrained programs can set it to true.
Matrix client API errors coming from API responses will now be mapped to ClientError::MatrixApi, containing both the original message and the associated error code and kind.
EventSendState now has two additional variants: CrossSigningNotSetup and SendingFromUnverifiedDevice. These indicate that your own device is not properly cross-signed, which is a requirement when using the identity-based strategy, and can only be returned when using the identity-based strategy.
In addition, the VerifiedUserHasUnsignedDevice and VerifiedUserChangedIdentity variants can be returned when using the identity-based strategy, in addition to when using the device-based strategy with error_on_verified_user_problem is set.
EventSendState now has two additional variants: VerifiedUserHasUnsignedDevice and VerifiedUserChangedIdentity. These reflect problems with verified users in the room and as such can only be returned when the room key recipient strategy has error_on_verified_user_problem set.
The AuthenticationService has been removed:
- Instead of calling configure_homeserver, build your own client with the serverNameOrHomeserverUrl builder method to keep the same behaviour.
  - The parts of AuthenticationError related to discovery will be represented in the ClientBuildError returned when calling build().
- The remaining methods can be found on the built Client.
  - There is a new abortOidcLogin method that should be called if the webview is dismissed without a callback ( or fails to present).
  - The rest of AuthenticationError is now found in the OidcError type.
OidcAuthenticationData is now called OidcAuthorizationData.
The get_element_call_required_permissions function now requires the device_id.
Some OidcPrompt cases have been removed (None, SelectAccount).
Room::is_encrypted is replaced by Room::latest_encryption_state which returns a value of the new EncryptionState enum; another Room::encryption_state non-async and infallible method is added to get the EncryptionState without running a network request. (#4777). One can safely replace:
```
room.is_encrypted().await?
```
by
```
room.latest_encryption_state().await?.is_encrypted()
```
ClientBuilder::passphrase is renamed session_passphrase (#4870)
Merge Timeline::send_thread_reply into Timeline::send_reply. This changes the parameters of send_reply which now requires passing the event ID (and thread reply behaviour) inside a ReplyParameters struct. (#4880)
The dynamic_registrations_file field of OidcConfiguration was removed. Clients are supposed to re-register with the homeserver for every login.
RoomPreview::own_membership_details is now RoomPreview::member_with_sender_info, takes any user id and returns an Option<RoomMemberWithSenderInfo>.

Additions:

Add Encryption::get_user_identity which returns UserIdentity
Add ClientBuilder::room_key_recipient_strategy
Add Room::send_raw
Add NotificationSettings::set_custom_push_rule
Expose withdraw_verification to UserIdentity
Expose report_room to Room
Add RoomInfo::encryption_state (#4788)
Add Timeline::send_thread_reply for clients that need to start threads themselves. (4819)
Add ClientBuilder::session_pool_max_size, ::session_cache_size and ::session_journal_size_limit to control the stores configuration, especially their memory consumption (#4870)
Add ClientBuilder::system_is_memory_constrained to indicate that the system has less memory available than the current standard (#4894)
Add Room::member_with_sender_info to get both a room member’s info and for the user who sent the m.room.member event the RoomMember is based on.