diff --git a/packages/stream_chat_flutter/CHANGELOG.md b/packages/stream_chat_flutter/CHANGELOG.md
index 77a7f55e..17cdf699 100644
--- a/packages/stream_chat_flutter/CHANGELOG.md
+++ b/packages/stream_chat_flutter/CHANGELOG.md
@@ -1,3 +1,10 @@
+## Upcoming
+
+🐞 Fixed
+
+- [[#1600]](https://github.com/GetStream/stream-chat-flutter/issues/1600) Fixed type `ImageDecoderCallback` not found
+  error on pre-Flutter 3.10.0 versions.
+
 ## 6.3.0
 
 🐞 Fixed
diff --git a/packages/stream_chat_flutter/lib/src/scroll_view/photo_gallery/stream_photo_gallery_tile.dart b/packages/stream_chat_flutter/lib/src/scroll_view/photo_gallery/stream_photo_gallery_tile.dart
index b93686d0..2f03613c 100644
--- a/packages/stream_chat_flutter/lib/src/scroll_view/photo_gallery/stream_photo_gallery_tile.dart
+++ b/packages/stream_chat_flutter/lib/src/scroll_view/photo_gallery/stream_photo_gallery_tile.dart
@@ -202,9 +202,10 @@ class MediaThumbnailProvider extends ImageProvider<MediaThumbnailProvider> {
   }
 
   @override
-  ImageStreamCompleter loadImage(
+  @Deprecated('Will get replaced by loadImage in the next major version.')
+  ImageStreamCompleter loadBuffer(
     MediaThumbnailProvider key,
-    ImageDecoderCallback decode,
+    DecoderBufferCallback decode,
   ) {
     return MultiFrameImageStreamCompleter(
       codec: _loadAsync(key, decode),
@@ -219,9 +220,10 @@ class MediaThumbnailProvider extends ImageProvider<MediaThumbnailProvider> {
     );
   }
 
+  @Deprecated('Will get replaced by loadImage in the next major version.')
   Future<ui.Codec> _loadAsync(
     MediaThumbnailProvider key,
-    ImageDecoderCallback decode,
+    DecoderBufferCallback decode,
   ) async {
     assert(key == this, '$key is not $this');
     final bytes = await media.thumbnailDataWithSize(