Merge branch 'main' into hiroshi/participant-collection

Author: hiroshihorie

.changes/audio-buffer

@@ -1 +1 @@
-2.5.3
+2.5.4

.changes/dc-reliability

@@ -1,5 +1,16 @@
 # CHANGELOG
 
+## 2.5.4
+
+* Added pre-connect audio buffering
+* Added token source API with caching and endpoint helpers
+* Enabled software AEC/NS/AGC for Linux
+* Added event logging with public/internal tagging
+* Migrated manual JSON serialization to json_serializable code generation
+* Re-enabled Flutter lint warnings and fixed existing issues
+* Improved reliable data channel buffering, sequencing, and added integration tests
+* Fixed race condition with pending tracks
+
 ## 2.5.3
 
 * Feat: Data Packet Cryptor (#873)

.changes/event-logging-trace

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                = 'livekit_client'
-  s.version             = '2.5.3'
+  s.version             = '2.5.4'
   s.summary             = 'Open source platform for real-time audio and video.'
   s.description         = 'Open source platform for real-time audio and video.'
   s.homepage            = 'https://livekit.io/'

.changes/flutter-lint-warnings

@@ -26,7 +26,7 @@ typedef TrackExceptionEmitter = void Function(TrackSubscriptionExceptionEvent ev
 @internal
 class PendingTrackQueue {
   final int maxSize;
-  final Duration ttl;
+  Duration ttl;
   final TrackExceptionEmitter emitException;
 
   // keyed by participant sid
@@ -38,6 +38,14 @@ class PendingTrackQueue {
     this.maxSize = 100,
   });
 
+  void updateTtl(Duration ttl) {
+    this.ttl = ttl;
+  }
+
+  void clear() {
+    _pending.clear();
+  }
+
   void enqueue({
     required rtc.MediaStreamTrack track,
     required rtc.MediaStream stream,