Client SDK JS

Patch Changes

• Disable publisher offer with join in firefox - #1954 (@cnderrauber)

• Fix memory leak where the constructor-registered devicechange listener on navigator.mediaDevices was not removed when a Room was constructed but never connected. The listener kept the Room instance reachable from the global navigator.mediaDevices EventTarget, defeating the FinalizationRegistry cleanup. - #1944 (@nikhilgupta58)

• Ensure that client protocol is set in the dual peer connection case - #1942 (@1egoman)

Minor Changes

• Add new RPC protocol updates to support infinite payload length in requests / responses - #1832 (@1egoman)

Patch Changes

• Improved data tracks depacketizer to support mutliple in flight packets - #1923 (@1egoman)

Patch Changes

• Ensure that flush called when there are no in flight data track packets works - #1929 (@1egoman)

Patch Changes

• Add local data track flush method - #1925 (@1egoman)

• Implement negotiation tracking based on offerId - #1927 (@lukasIO)

• Ignore data track promise rejections after a subscription readable stream is discarded - #1917 (@1egoman)

• chore: improve logging foundation for implicit context retrieval - #1907 (@lukasIO)

Patch Changes

• Pass optional LocalTrack reference to processors - #1916 (@lukasIO)

• Ensure priority isn't set on all simulcast layers when using Firefox on iOS - #1920 (@lukasIO)

Patch Changes

• Fix data tracks extension encoding - #1913 (@ladvoc)

Patch Changes

• Defer onEnterPiP visibility update until after the next microtask and animation frame so Document Picture-in-Picture embedders can append DOM into the PiP window before isElementInPiP runs. - #1868 (@gparant)

• Differentiate different 404 responses on validate path - #1901 (@lukasIO)

• await screen share audio unpublish before returning setEnabled - #1899 (@lukasIO)

• Avoid attaching a new Closing event listener for each waitForBufferStatusLow call - #1896 (@1egoman)

• Re-compute encoding params after track replace - #1902 (@lukasIO)

• Harden extension id computation and retry publishing on negotiation failure - #1895 (@lukasIO)

• fix: ensure udpated tokens get set on the regionUrlProvider - #1900 (@lukasIO)

Patch Changes

• fix: handle race between LocalTrackSubscribed signal and publishTrack completion - #1872 (@pabloFuente)

• Harden RemoteParticipant.dataTracks map to work when a data track subscription is processed before the room connect is complete - #1888 (@1egoman)

• Update dependency webrtc-adapter to v9.0.5 - #1858 (@renovate)

• Ensure transport manager is reset before attempting legacy fallback path - #1893 (@lukasIO)

• Fix data tracks related subscript edge cases when the passed abort signal fires across the subscription lifecycle - #1892 (@1egoman)

Patch Changes

• fixing decodeTokenPayload - #1889 (@thomasyuill-livekit)

Patch Changes

• Export CheckStatus as enum, not just type - #1855 (@Ludobaka)

• Add new serializer implementation - #1885 (@1egoman)

• fix: improve ordering of resolving waitForBufferStatus calls - #1877 (@lukasIO)

• Close streamcontrollers when datatrack gets unpublished - #1879 (@lukasIO)

• Buffer stream events until connected - #1867 (@lukasIO)

• Moves "connected to Livekit Server" log within RTCEngine.join so it shows up for reconnects as well as connects - #1873 (@1egoman)

• Wrap setE2EEEnabled call in a mutex - #1882 (@lukasIO)

Patch Changes

• Adds data tracks support - #1820 (@1egoman) (docs, blog post)

• Send publisher offer with join request to accelerate connection - #1846 (@cnderrauber)

• Enable E2EE key-size configuration via ExternalE2EEKeyProvider options - #1841 (@MariusBernhardt)

Minor Changes

• Rename pID to participantID in log context - #1842 (@lukasIO)

Patch Changes

• Ensure freshly created RTCEngine isn't recreated on join - #1843 (@lukasIO)

• Fix shouldReturnCachedValueFromFetch check for cached options - #1837 (@lukasIO)

• Fix data stream header length field - #1847 (@ladvoc)

• Add token fetch force option to skip TokenSource cache - #1839 (@lukasIO)

Patch Changes

• Update happy-dom dependency version - #1821 (@renovate)

• e2ee: ensure current key index isn't unintentionally updated - #1830 (@lukasIO)

• Prevent unmute -> mute -> unmute cycle for track restarts that happen during unmute - #1793 (@mfairley)

• Use controller.error to signal unexpected errors mid data stream - #1834 (@lukasIO)

• Signal leave on failed connection attempts if signalling is connected - #1817 (@lukasIO)

• Vendored ts-debounce and added critical timers to debounce function - #1800 (@mfairley)

• Ensure cryptor setup respects async queue in worker - #1833 (@lukasIO)

• Adds new OutgoingDataTrackManager to manage sending data track payloads - #1810 (@1egoman)

Patch Changes

• Ensure connection state mismatches aren't triggered for ongoing PC connection attempts - #1807 (@lukasIO)

• Fix unnecessary track restarts on unmute when using ideal device constraints - #1794 (@mfairley)

• Prevent ongoing renegotiations from declaring the negotiation as timed out - #1813 (@lukasIO)

• Add data track packetizer and depacketizer implementations - #1798 (@1egoman)

• Add missing type exports required by @livekit/components-core - #1815 (@1egoman)

Patch Changes

• Add data track packet serialization + deserialization logic - #1792 (@1egoman)

• Update docs to clarify other client HKDF support - #1796 (@1egoman)

• Add attachedStreamIds as text stream metadata - #1805 (@1egoman)

Minor Changes

• Add new rtc path that defaults to single peer connection mode and falls back to legacy dual pc - #1785 (@lukasIO)

Patch Changes

• Use TypedPromise for typesafe errors - #1770 (@lukasIO)

• e2ee: ensure frame cryptor transform setup works for rapid subscription changes - #1789 (@lukasIO)

Patch Changes

• export type RoomEventCallbacks - #1599 (@shincurry)

• Remove experimental tag on some stabilized features - #1777 (@lukasIO)

• Tag errors by name - #1764 (@lukasIO)

• Fix connection check issues with pinned regions - #1775 (@lukasIO)

• Control latency of lossy data channel - #1754 (@cnderrauber)

• Add docs comments making it clear TokenSource-prefixed exported types shouldn't be used for TokenSource construction - #1776 (@1egoman)

• Fix leaking memory by removing event listener from correct scope - #1768 (@wuhkuh)

Minor Changes

• Expose new encryption option field - #1750 (@lukasIO)

Patch Changes

• Wait for dc buffer status low for all published packets - #1691 (@lukasIO)

• Fix message loss during resuming/migration - #1757 (@cnderrauber)

• Cancel region refresh on invalid tokens - #1755 (@lukasIO)

• Add connectionCount tracking and stop auto refetching after timeout - #1756 (@lukasIO)

• Add explicit error types for future helper - #1753 (@lukasIO)

• fix(LocalTrackAudio): prevent overwriting constraint flags - #1744 (@itamayo)

Patch Changes

• Fix slow start on vp9 - #1740 (@lukasIO)

• Keep text / byte stream handlers between room disconnects - #1741 (@1egoman)

• Export RoomEventCallbacks - #1738 (@haydenbr)

• Speed up network switch recovery - #1745 (@lukasIO)

• Ensure unexpected websocket disconnects trigger reconnect flow - #1748 (@lukasIO)