v0.26.1

• Breaking change (mediaproxy) Changed GetMediaResponseFile to return the mime type from the callback rather than in the return get media return value. The callback can now also redirect the caller to a different file.
• (federation) Added join/knock/leave functions (thanks to @nexy7574 in #422).
• (federation/eventauth) Fixed various incorrect checks.
• (client) Added backoff for retrying media uploads to external URLs (with MSC3870).
• (bridgev2/config) Added support for overriding config fields using environment variables.
• (bridgev2/commands) Added command to mute chat on remote network.
• (bridgev2) Added interface for network connectors to redirect to a different user ID when handling an invite from Matrix.
• (bridgev2) Added interface for signaling message request status of portals.
• (bridgev2) Changed portal creation to not backfill unless CanBackfill flag is set in chat info.
• (bridgev2) Changed Matrix reaction handling to only delete old reaction if bridging the new one is successful.
• (bridgev2/mxmain) Improved error message when trying to run bridge with pre-megabridge database when no database migration exists.
• (bridgev2) Improved reliability of database migration when enabling split portals.
• (bridgev2) Improved detection of orphaned DM rooms when starting new chats.
• (bridgev2) Stopped sending redundant invites when joining ghosts to public portal rooms.
• (bridgev2) Stopped hardcoding room versions in favor of checking server capabilities to determine appropriate /createRoom parameters.

v0.26.0

• (client,appservice) Deprecated SendMassagedStateEvent as SendStateEvent has been able to do the same for a while now.
• (client,federation) Added size limits for responses to make it safer to send requests to untrusted servers.
• (client) Added wrapper for /admin/whois client API (thanks to @nexy7574 in #411).
• (synapseadmin) Added force_purge option to DeleteRoom (thanks to @nexy7574 in #420).
• (statestore) Added saving join rules for rooms.
• (bridgev2) Added optional automatic rollback of room state if bridging the change to the remote network fails.
• (bridgev2) Added management room notices if transient disconnect state doesn't resolve within 3 minutes.
• (bridgev2) Added interface to signal that certain participants couldn't be invited when creating a group.
• (bridgev2) Added select type for user input fields in login.
• (bridgev2) Added interface to let network connector customize personal filtering space.
• (bridgev2/matrix) Added checks to avoid sending error messages in reply to other bots.
• (bridgev2/matrix) Switched to using MSC4169 to send redactions whenever possible.
• (bridgev2/publicmedia) Added support for custom path prefixes, file names, and encrypted files.
• (bridgev2/commands) Added command to resync a single portal.
• (bridgev2/commands) Added create group command.
• (bridgev2/config) Added option to limit maximum number of logins.
• (bridgev2) Changed ghost joining to skip unnecessary invite if portal room is public.
• (bridgev2/disappear) Changed read receipt handling to only start disappearing timers for messages up to the read message (note: may not work in all cases if the read receipt points at an unknown event).
• (event/reply) Changed plaintext reply fallback removal to only happen when an HTML reply fallback is removed successfully.
• (bridgev2/matrix) Fixed unnecessary sleep after registering bot on first run.
• (crypto/goolm) Fixed panic when processing certain malformed Olm messages.
• (federation) Fixed HTTP method for sending transactions (thanks to @nexy7574 in #426).
• (federation) Fixed response body being closed even when using DontReadBody parameter.
• (federation) Fixed validating auth for requests with query params.
• (federation/eventauth) Fixed typo causing restricted joins to not work.

v0.25.2

• Breaking change (id) Split UserID.ParseAndValidate into ParseAndValidateRelaxed and ParseAndValidateStrict. Strict is the old behavior, but most users likely want the relaxed version, as there are real users whose user IDs aren't valid under the strict rules.
• (crypto) Added helper methods for generating and verifying with recovery keys.
• (bridgev2/matrix) Added config option to automatically generate a recovery key for the bridge bot and self-sign the bridge's device.
• (bridgev2/matrix) Added initial support for using appservice/MSC3202 mode for encryption with standard servers like Synapse.
• (bridgev2) Added optional support for implicit read receipts.
• (bridgev2) Added interface for deleting chats on remote network.
• (bridgev2) Added local enforcement of media duration and size limits.
• (bridgev2) Extended event duration logging to log any event taking too long.
• (bridgev2) Improved validation in group creation provisioning API.
• (event) Added event type constant for poll end events.
• (client) Added wrapper for searching user directory.
• (client) Improved support for managing MSC4140 delayed events.
• (crypto/helper) Changed default sync handling to not block on waiting for decryption keys. On initial sync, keys won't be requested at all by default.
• (crypto) Fixed olm unwedging not working (regressed in v0.25.1).
• (bridgev2) Fixed various bugs with migrating to split portals.
• (event) Fixed poll start events having incorrect null m.relates_to.
• (client) Fixed RespUserProfile losing standard fields when re-marshaling.
• (federation) Fixed various bugs in event auth.

v0.25.1

• (client) Fixed HTTP method of delete devices API call (thanks to @fmseals in #393).
• (client) Added wrappers for MSC4323: User suspension & locking endpoints (thanks to @nexy7574 in #407).
• (client) Stabilized support for extensible profiles.
• (client) Stabilized support for state_after in sync.
• (client) Removed deprecated MSC2716 requests.
• (crypto) Added fallback to ensure m.relates_to is always copied even if the content struct doesn't implement Relatable.
• (crypto) Changed olm unwedging to ignore newly created sessions if they haven't been used successfully in either direction.
• (federation) Added utilities for generating, parsing, validating and authorizing PDUs.
  • Note: the new PDU code depends on GOEXPERIMENT=jsonv2
• (event) Added is_animated flag from MSC4230 to file info.
• (event) Added types for MSC4332: In-room bot commands.
• (event) Added missing poll end event type for MSC3381.
• (appservice) Fixed URLs not being escaped properly when using unix socket for homeserver connections.
• (format) Added more helpers for forming markdown links.
• (event,bridgev2) Added support for Beeper's disappearing message state event.
• (bridgev2) Redesigned group creation interface and added support in commands and provisioning API.
• (bridgev2) Added GetEvent to Matrix interface to allow network connectors to get an old event. The method is best effort only, as some configurations don't allow fetching old events.
• (bridgev2) Added shared logic for provisioning that can be reused by the API, commands and other sources.
• (bridgev2) Fixed mentions and URL previews not being copied over when caption and media are merged.
• (bridgev2) Removed config option to change provisioning API prefix, which had already broken in the previous release.

v0.25.0

• Bumped minimum Go version to 1.24.
• Breaking change (appservice,bridgev2,federation) Replaced gorilla/mux with standard library ServeMux.
• (client,bridgev2) Added support for creator power in room v12.
• (client) Added option to not set User-Agent header for improved Wasm compatibility.
• (bridgev2) Added support for following tombstones.
• (bridgev2) Added interface for getting arbitrary state event from Matrix.
• (bridgev2) Added batching to disappearing message queue to ensure it doesn't use too many resources even if there are a large number of messages.
• (bridgev2/commands) Added support for canceling QR login with cancel command.
• (client) Added option to override HTTP client used for .well-known resolution.
• (crypto/backup) Added method for encrypting key backup session without private keys.
• (event->id) Moved room version type and constants to id package.
• (bridgev2) Bots in DM portals will now be added to the functional members state event to hide them from the room name calculation.
• (bridgev2) Changed message delete handling to ignore "delete for me" events if there are multiple Matrix users in the room.
• (format/htmlparser) Changed text processing to collapse multiple spaces into one when outside pre/code tags.
• (format/htmlparser) Removed link suffix in plaintext output when link text is only missing protocol part of href.
  • e.g. <a href="https://example.com">example.com</a> will turn into example.com rather than example.com (https://example.com)
• (appservice) Switched appservice websockets from gorilla/websocket to coder/websocket.
• (bridgev2/matrix) Fixed encryption key sharing not ignoring ghosts properly.
• (crypto/attachments) Fixed hash check when decrypting file streams.
• (crypto) Removed unnecessary AlreadyShared error in ShareGroupSession. The function will now act as if it was successful instead.

v0.24.2

• (bridgev2) Added support for return values from portal event handlers. Note that the return value will always be "queued" unless the event buffer is disabled.
• (bridgev2) Added support for MSC4144 per-message profile passthrough in relay mode.
• (bridgev2) Added option to auto-reconnect logins after a certain period if they hit an UNKNOWN_ERROR state.
• (bridgev2) Added analytics for event handler panics.
• (bridgev2) Changed new room creation to hardcode room v11 to avoid v12 rooms being created before proper support for them can be added.
• (bridgev2) Changed queuing events to block instead of dropping events if the buffer is full.
• (bridgev2) Fixed assumption that replies to unknown messages are cross-room.
• (id) Fixed server name validation not including ports correctly (thanks to @krombel in #392).
• (federation) Fixed base64 algorithm in signature generation.
• (event) Fixed MSC4144 fallbacks not being removed from edits.

v0.24.1

• (commands) Added framework for using reactions as buttons that execute command handlers.
• (client) Added wrapper for /relations endpoints.
• (client) Added support for stable version of room summary endpoint.
• (client) Fixed parsing URL preview responses where width/height are strings.
• (federation) Fixed bugs in server auth.
• (id) Added utilities for validating server names.
• (event) Fixed incorrect empty entity field when sending hashed moderation policy events.
• (event) Added MSC4293 redact events field to member events.
• (event) Added support for fallbacks in MSC4144 per-message profiles.
• (format) Added MarkdownLink and MarkdownMention utility functions for generating properly escaped markdown.
• (synapseadmin) Added support for synchronous (v1) room delete endpoint.
• (synapseadmin) Changed Client struct to not embed the mautrix.Client. This is a breaking change if you were relying on accessing non-admin functions from the admin client.
• (bridgev2/provisioning) Fixed /display_and_wait not passing through errors from the network connector properly.
• (bridgev2/crypto) Fixed encryption not working if the user's ID had the same prefix as the bridge ghosts (e.g. @whatsappbridgeuser:example.com with a @whatsapp_ prefix).
• (bridgev2) Fixed portals not being saved after creating a DM portal from a Matrix DM invite.
• (bridgev2) Added config option to determine whether cross-room replies should be bridged.
• (appservice) Fixed EnsureRegistered not being called when sending a custom member event for the controlled user.

v0.24.0

• (commands) Added generic framework for implementing bot commands.
• (client) Added support for specifying maximum number of HTTP retries using a context value instead of having to call MakeFullRequest manually.
• (client,federation) Added methods for fetching room directories.
• (federation) Added support for server side of request authentication.
• (synapseadmin) Added wrapper for the account suspension endpoint.
• (format) Added method for safely wrapping a string in markdown inline code.
• (crypto) Added method to import key backup without persisting to database, to allow the client more control over the process.
• (bridgev2) Added viewing chat interface to signal when the user is viewing a given chat.
• (bridgev2) Added option to pass through transaction ID from client when sending messages to remote network.
• (crypto) Fixed unnecessary error log when decrypting dummy events used for unwedging Olm sessions.
• (crypto) Fixed forwarding_curve25519_key_chain not being set consistently when backing up keys.
• (event) Fixed marshaling legacy VoIP events with no version field.
• (bridgev2) Fixed disappearing message references not being deleted when the portal is deleted.
• (bridgev2) Fixed read receipt bridging not ignoring fake message entries and causing unnecessary error logs.

v0.23.3

• (commands) Added generic command processing framework for bots.
• (client) Added allowed_room_ids field to room summary responses (thanks to @nexy7574 in #367).
• (bridgev2) Added support for custom timeouts on outgoing messages which have to wait for a remote echo.
• (bridgev2) Added automatic typing stop event if the ghost user had sent a typing event before a message.
• (bridgev2) The saved management room is now cleared if the user leaves the room, allowing the next DM to be automatically marked as a management room.
• (bridge) Removed deprecated fallback package for bridge statuses. The status package is now only available under bridgev2.

v0.23.2

• Breaking change (bridge) Removed legacy bridge module.
• Breaking change (event) Changed m.federate field in room create event content to a pointer to allow detecting omitted values.
• (bridgev2/commands) Added set-management-room command to set a new management room.
• (bridgev2/portal) Changed edit bridging to ignore remote edits if the original sender on Matrix can't be puppeted.
• (bridgv2) Added config option to disable bridging m.notice messages.
• (appservice/http) Switched access token validation to use constant time comparisons.
• (event) Added support for MSC3765 rich text topics.
• (event) Added fields to policy list event contents for MSC4204 and MSC4205.
• (client) Added method for getting the content of a redacted event using MSC2815.
• (client) Added methods for sending and updating MSC4140 delayed events.
• (client) Added support for MSC4222 in sync payloads.
• (crypto/cryptohelper) Switched to using sqlite3-fk-wal instead of plain sqlite3 by default.
• (crypto/encryptolm) Added generic method for encrypting to-device events.
• (crypto/ssss) Fixed panic if server-side key metadata is corrupted.
• (crypto/sqlstore) Fixed error when marking over 32 thousand device lists as outdated on SQLite.