diff --git a/CHANGELOG.md b/CHANGELOG.md
index e02c3c7..f0e8e6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 
 --------------------------------------------
+[1.5.3+hotfix.1] - 2025-04-25
+
+* add getter override for dc.bufferedAmountLowThreshold.
 
 [1.5.3] - 2025-03-24
 
diff --git a/lib/src/media_stream_track_impl.dart b/lib/src/media_stream_track_impl.dart
index d52066a..fb16d46 100644
--- a/lib/src/media_stream_track_impl.dart
+++ b/lib/src/media_stream_track_impl.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:js_interop';
+import 'dart:js_interop_unsafe';
 import 'dart:typed_data';
 
 import 'package:web/web.dart' as web;
@@ -77,25 +78,49 @@ class MediaStreamTrackWeb extends MediaStreamTrack {
     var settings = jsTrack.getSettings();
     var _converted = <String, dynamic>{};
     if (kind == 'audio') {
-      _converted['sampleRate'] = settings.sampleRate;
-      _converted['sampleSize'] = settings.sampleSize;
-      _converted['echoCancellation'] = settings.echoCancellation;
-      _converted['autoGainControl'] = settings.autoGainControl;
-      _converted['noiseSuppression'] = settings.noiseSuppression;
-      _converted['latency'] = settings.latency;
-      _converted['channelCount'] = settings.channelCount;
+      if (settings.has('sampleRate')) {
+        _converted['sampleRate'] = settings.sampleRate;
+      }
+      if (settings.has('sampleSize')) {
+        _converted['sampleSize'] = settings.sampleSize;
+      }
+      if (settings.has('echoCancellation')) {
+        _converted['echoCancellation'] = settings.echoCancellation;
+      }
+      if (settings.has('autoGainControl')) {
+        _converted['autoGainControl'] = settings.autoGainControl;
+      }
+      if (settings.has('noiseSuppression')) {
+        _converted['noiseSuppression'] = settings.noiseSuppression;
+      }
+      if (settings.has('latency')) _converted['latency'] = settings.latency;
+      if (settings.has('channelCount')) {
+        _converted['channelCount'] = settings.channelCount;
+      }
     } else {
-      _converted['width'] = settings.width;
-      _converted['height'] = settings.height;
-      _converted['aspectRatio'] = settings.aspectRatio;
-      _converted['frameRate'] = settings.frameRate;
-      if (isMobile) {
+      if (settings.has('width')) {
+        _converted['width'] = settings.width;
+      }
+      if (settings.has('height')) {
+        _converted['height'] = settings.height;
+      }
+      if (settings.has('aspectRatio')) {
+        _converted['aspectRatio'] = settings.aspectRatio;
+      }
+      if (settings.has('frameRate')) {
+        _converted['frameRate'] = settings.frameRate;
+      }
+      if (isMobile && settings.has('facingMode')) {
         _converted['facingMode'] = settings.facingMode;
       }
-      _converted['resizeMode'] = settings.resizeMode;
+      if (settings.has('resizeMode')) {
+        _converted['resizeMode'] = settings.resizeMode;
+      }
+    }
+    if (settings.has('deviceId')) _converted['deviceId'] = settings.deviceId;
+    if (settings.has('groupId')) {
+      _converted['groupId'] = settings.groupId;
     }
-    _converted['deviceId'] = settings.deviceId;
-    _converted['groupId'] = settings.groupId;
     return _converted;
   }
 
diff --git a/lib/src/rtc_data_channel_impl.dart b/lib/src/rtc_data_channel_impl.dart
index f41be4e..864c7b3 100644
--- a/lib/src/rtc_data_channel_impl.dart
+++ b/lib/src/rtc_data_channel_impl.dart
@@ -53,6 +53,9 @@ class RTCDataChannelWeb extends RTCDataChannel {
     return _jsDc.bufferedAmount;
   }
 
+  @override
+  int? get bufferedAmountLowThreshold => _jsDc.bufferedAmountLowThreshold;
+
   @override
   set bufferedAmountLowThreshold(int? bufferedAmountLowThreshold) {
     _jsDc.bufferedAmountLowThreshold = bufferedAmountLowThreshold ?? 0;
diff --git a/pubspec.yaml b/pubspec.yaml
index 910244b..9074d90 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dart_webrtc
 description: Use the dart/js library to re-wrap the webrtc js interface of the browser, to adapted common browsers.
-version: 1.5.3
+version: 1.5.3+hotfix.1
 homepage: https://github.com/flutter-webrtc/dart-webrtc
 
 environment: