Fix message reactions overlay gesture handling

CHANGELOG.md

@@ -9,6 +9,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### 🐞 Fixed
 - Fix show/hide message translation animation [#1426](https://github.com/GetStream/stream-chat-swiftui/pull/1426)
 
+### 🐞 Fixed
+- Fix tapping a media attachment in the reactions overlay opening the fullscreen gallery [#1424](https://github.com/GetStream/stream-chat-swiftui/pull/1424)
+- Fix empty space around the previewed message in the reactions overlay not dismissing the overlay [#1424](https://github.com/GetStream/stream-chat-swiftui/pull/1424)
+- Fix long-pressing a message with attachments occasionally opening the fullscreen gallery [#1424](https://github.com/GetStream/stream-chat-swiftui/pull/1424)
+
 # [5.0.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/5.0.0)
 _April 16, 2026_
 

Sources/StreamChatSwiftUI/ChatMessageList/MessageContainerView.swift

@@ -145,6 +145,10 @@ struct MessageContainerView<Factory: ViewFactory>: View {
             messageViewModel.failureIndicatorShown ? SendFailureIndicator() : nil
         )
         .frame(maxWidth: contentWidth, alignment: messageViewModel.isRightAligned ? .trailing : .leading)
+        .highPriorityGesture(
+            TapGesture().onEnded { /* Swallow taps on the bubble so attachments don't open and the overlay doesn't dismiss. */ },
+            including: shownAsPreview ? .all : .none
+        )
     }
 
     @ViewBuilder

Sources/StreamChatSwiftUI/ChatMessageList/MessageItemView.swift

@@ -107,13 +107,12 @@ public struct MessageItemView<Factory: ViewFactory>: View {
                     }
                 )
                 .contentShape(Rectangle())
-                .allowsHitTesting(!shownAsPreview || (messageViewModel.usesScrollView))
                 .onTapGesture(count: 2) {
                     if messageViewModel.isDoubleTapOverlayEnabled {
                         handleGestureForMessage(showsMessageActions: true)
                     }
                 }
-                .simultaneousGesture(
+                .highPriorityGesture(
                     LongPressGesture(minimumDuration: 0.3)
                         .onEnded { _ in
                             handleGestureForMessage(showsMessageActions: true)

Sources/StreamChatSwiftUI/ChatMessageList/Reactions/ReactionsOverlayView.swift

@@ -83,7 +83,12 @@ public struct ReactionsOverlayView<Factory: ViewFactory>: View {
 
             GeometryReader { reader in
                 let height = reader.frame(in: .local).height
-                Color.clear.preference(key: HeightPreferenceKey.self, value: height)
+                Color.clear
+                    .preference(key: HeightPreferenceKey.self, value: height)
+                    .contentShape(Rectangle())
+                    .onTapGesture {
+                        dismissReactionsOverlay { /* No additional handling. */ }
+                    }
 
                 VStack(alignment: isRightAligned ? .trailing : .leading, spacing: tokens.spacingXs) {
                     reactionsPickerView(reader: reader)
@@ -107,6 +112,9 @@ public struct ReactionsOverlayView<Factory: ViewFactory>: View {
                     .frame(maxHeight: messageDisplayInfo.frame.height)
                     .scaleEffect(popIn || willPopOut ? 1 : 0.95)
                     .animation(willPopOut ? .easeInOut : popInAnimation, value: popIn)
+                    .onTapGesture {
+                        dismissReactionsOverlay { /* No additional handling. */ }
+                    }
                     messageActionsView(reader: reader)
                 }
                 .frame(width: overlayContentWidth, alignment: isRightAligned ? .trailing : .leading)