A couple of small tweaks.

.github/workflows/compound-ios.yml

@@ -5,7 +5,7 @@ name: Compound
 
 on:
   push:
-    branches: [ main ]
+    branches: [ develop ]
 
   pull_request:
 

ElementX.xcodeproj/project.pbxproj

@@ -719,7 +719,6 @@
 		8015842CB4DE1BE414D2CDED /* AppLockSetupBiometricsScreenCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C62E07C1164F5120727A2A8 /* AppLockSetupBiometricsScreenCoordinator.swift */; };
 		804C15D8ADE0EA7A5268F58A /* OverridableAvatarImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 648DD1C10E4957CB791FE0B8 /* OverridableAvatarImage.swift */; };
 		80DEA2A4B20F9E279EAE6B2B /* UserProfile+Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = AAD01F7FC2BBAC7351948595 /* UserProfile+Mock.swift */; };
-		80F1B442DB5E2C362ACDD8E2 /* ZoomTransition.swift in Sources */ = {isa = PBXBuildFile; fileRef = 018194CAFBE80720FECCEDEE /* ZoomTransition.swift */; };
 		80F6C8EFCA4564B67F0D34B0 /* DeactivateAccountScreenViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D77F75B3E9F99864048A422A /* DeactivateAccountScreenViewModelTests.swift */; };
 		81A7C020CB5F6232242A8414 /* UserSessionTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F36C0A6D59717193F49EA986 /* UserSessionTests.swift */; };
 		8285FF4B2C2331758C437FF7 /* ReportContentScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 713B48DBF65DE4B0DD445D66 /* ReportContentScreenViewModelProtocol.swift */; };
@@ -1495,7 +1494,6 @@
 		00E5B2CBEF8F96424F095508 /* RoomDetailsEditScreenViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RoomDetailsEditScreenViewModelTests.swift; sourceTree = "<group>"; };
 		011AFA4990C585D157829679 /* DeclineAndBlockScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeclineAndBlockScreenViewModel.swift; sourceTree = "<group>"; };
 		012A284622B32052015F1F89 /* ReadMarkerRoomTimelineView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReadMarkerRoomTimelineView.swift; sourceTree = "<group>"; };
-		018194CAFBE80720FECCEDEE /* ZoomTransition.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ZoomTransition.swift; sourceTree = "<group>"; };
 		01B795AAAB7B8747FE2FF311 /* LogViewerScreenModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogViewerScreenModels.swift; sourceTree = "<group>"; };
 		01C4C7DB37597D7D8379511A /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		022E6BD64CB4610B9C95FC02 /* UserDetailsEditScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserDetailsEditScreenViewModel.swift; sourceTree = "<group>"; };
@@ -6139,7 +6137,6 @@
 			children = (
 				EF1593DD87F974F8509BB619 /* ElementAnimations.swift */,
 				97CE98208321C4D66E363612 /* ShimmerModifier.swift */,
-				018194CAFBE80720FECCEDEE /* ZoomTransition.swift */,
 			);
 			path = Animation;
 			sourceTree = "<group>";
@@ -8445,7 +8442,6 @@
 				B773ACD8881DB18E876D950C /* WaveformSource.swift in Sources */,
 				08CB4BD12CEEDE6AAE4A18DD /* WindowManager.swift in Sources */,
 				AE5AAD9E32511544FDFA5560 /* WindowManagerProtocol.swift in Sources */,
-				80F1B442DB5E2C362ACDD8E2 /* ZoomTransition.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

ElementX/Sources/FlowCoordinators/ChatsFlowCoordinator.swift

@@ -280,6 +280,8 @@ class ChatsFlowCoordinator: FlowCoordinatorProtocol {
             switch context.toState {
             case .roomList(detailState: .room(let detailStateRoomID)):
                 self?.selectedRoomSubject.send(detailStateRoomID)
+            case .roomList(detailState: nil):
+                self?.selectedRoomSubject.send(nil)
             default:
                 break
             }

ElementX/Sources/Other/SwiftUI/Backports.swift

@@ -8,12 +8,68 @@
 import SwiftUI
 
 extension View {
-    @ViewBuilder
-    func backportTabBarMinimizeBehaviorOnScrollDown() -> some View {
+    // MARK: iOS 18
+
+    /// Uses the old page style modal so that on iPadOS 18 the presentation detents have no effect.
+    @ViewBuilder func backportPresentationSizingPage() -> some View {
+        if #available(iOS 18.0, *) {
+            presentationSizing(.page)
+        } else {
+            self
+        }
+    }
+
+    /// A convenience modifier to conditionally apply `.navigationTransition(.zoom(…))` when available.
+    @ViewBuilder func backportNavigationTransitionZoom(sourceID: some Hashable, in namespace: Namespace.ID) -> some View {
+        if #available(iOS 18.0, *) {
+            navigationTransition(.zoom(sourceID: sourceID, in: namespace))
+        } else {
+            self
+        }
+    }
+
+    /// A convenience modifier to conditionally apply `.matchedTransitionSource(…)` when available.
+    @ViewBuilder func backportMatchedTransitionSource(id: some Hashable, in namespace: Namespace.ID) -> some View {
+        if #available(iOS 18.0, *) {
+            matchedTransitionSource(id: id, in: namespace)
+        } else {
+            self
+        }
+    }
+
+    @ViewBuilder func backportAccessibilityHint(_ hint: String, isEnabled: Bool) -> some View {
+        if #available(iOS 18, *) {
+            accessibilityHint(hint, isEnabled: isEnabled)
+        } else {
+            self
+        }
+    }
+
+    // MARK: iOS 26
+
+    @ViewBuilder func backportTabBarMinimizeBehaviorOnScrollDown() -> some View {
         if #available(iOS 26.0, *) {
             tabBarMinimizeBehavior(.onScrollDown)
         } else {
             self
         }
     }
+
+    @ViewBuilder func backportScrollEdgeEffectHidden() -> some View {
+        if #available(iOS 26, *) {
+            scrollEdgeEffectHidden()
+        } else {
+            self
+        }
+    }
+}
+
+extension ToolbarContent {
+    @ToolbarContentBuilder func backportSharedBackgroundVisibility(_ visibility: Visibility) -> some ToolbarContent {
+        if #available(iOS 26.0, *) {
+            sharedBackgroundVisibility(visibility)
+        } else {
+            self
+        }
+    }
 }

ElementX/Sources/Other/SwiftUI/Styles/ElementTextFieldStyle.swift

@@ -33,7 +33,7 @@ extension TextFieldStyle where Self == ElementTextFieldStyle {
 }
 
 /// The text field style used in authentication screens.
-struct ElementTextFieldStyle: TextFieldStyle {
+struct ElementTextFieldStyle: @MainActor TextFieldStyle {
     enum State {
         case success
         case error

ElementX/Sources/Other/SwiftUI/Views/RoomHeaderView.swift

@@ -18,8 +18,9 @@ struct RoomHeaderView: View {
     let mediaProvider: MediaProviderProtocol?
 
     var body: some View {
-        if ProcessInfo.isRunningAccessibilityTests {
-            // Accessibility tests scale up the dynamic size in real time which may break the view
+        if ProcessInfo.isRunningAccessibilityTests || ProcessInfo.processInfo.isiOSAppOnMac {
+            // Accessibility tests scale up the dynamic size in real time which may break the view.
+            // macOS really doesn't like the greedy size and does weird things to it.
             content
         } else {
             content

ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift

@@ -22,14 +22,7 @@ struct HomeScreen: View {
                    actions: leaveRoomAlertActions,
                    message: leaveRoomAlertMessage)
             .navigationTitle(L10n.screenRoomlistMainSpaceTitle)
-            .toolbar {
-                if #available(iOS 26, *) {
-                    toolbar
-                        .sharedBackgroundVisibility(.hidden)
-                } else {
-                    toolbar
-                }
-            }
+            .toolbar { toolbar }
             .background(Color.compound.bgCanvasDefault.ignoresSafeArea())
             .track(screen: .Home)
             .bloom()
@@ -43,10 +36,12 @@ struct HomeScreen: View {
         ToolbarItem(placement: .navigationBarLeading) {
             settingsButton
         }
+        .backportSharedBackgroundVisibility(.hidden)
 
         ToolbarItem(placement: .primaryAction) {
             newRoomButton
         }
+        .backportSharedBackgroundVisibility(.hidden)
     }
 
     private var settingsButton: some View {

ElementX/Sources/Screens/MediaEventsTimelineScreen/View/MediaEventsTimelineScreen.swift

@@ -47,15 +47,11 @@ struct MediaEventsTimelineScreen: View {
         if context.viewState.shouldShowEmptyState {
             emptyState
         } else {
-            if #available(iOS 26, *) {
-                scrollView
-                    // Remove the glass effect of iOS 26+
-                    // A flipped table view will always trigger it
-                    // since the nav bar thinks is always at the bottom.
-                    .scrollEdgeEffectHidden()
-            } else {
-                scrollView
-            }
+            scrollView
+                // Remove the glass effect of iOS 26+
+                // A flipped table view will always trigger it
+                // since the nav bar thinks is always at the bottom.
+                .backportScrollEdgeEffectHidden()
         }
     }
 

ElementX/Sources/Screens/RoomScreen/ComposerToolbar/View/CompletionSuggestionView.swift

@@ -99,7 +99,6 @@ private struct BackgroundView<Content: View>: View {
             .clipShape(RoundedCornerShape(radius: shadowRadius, corners: [.topLeft, .topRight]))
             .shadow(color: .black.opacity(0.20), radius: 20.0, x: 0.0, y: 3.0)
             .mask(Rectangle().padding(.init(top: -(shadowRadius * 2), leading: 0.0, bottom: 0.0, trailing: 0.0)))
-            .edgesIgnoringSafeArea(.all)
     }
 }
 

ElementX/Sources/Screens/Spaces/SpaceListScreen/View/SpaceListScreen.swift

@@ -20,14 +20,7 @@ struct SpaceListScreen: View {
         }
         .navigationTitle(L10n.screenSpaceListTitle)
         .navigationBarTitleDisplayMode(.inline)
-        .toolbar {
-            if #available(iOS 26, *) {
-                toolbar
-                    .sharedBackgroundVisibility(.hidden)
-            } else {
-                toolbar
-            }
-        }
+        .toolbar { toolbar }
         .background(Color.compound.bgCanvasDefault.ignoresSafeArea())
         .bloom()
     }
@@ -90,11 +83,13 @@ struct SpaceListScreen: View {
             }
             .accessibilityLabel(L10n.commonSettings)
         }
+        .backportSharedBackgroundVisibility(.hidden)
 
         ToolbarItem(placement: .principal) {
             // Hides the navigationTitle (which is set for the navigation stack label).
             Text("").accessibilityHidden(true)
         }
+        .backportSharedBackgroundVisibility(.hidden)
     }
 }
 

ElementX/Sources/Screens/Timeline/View/ItemMenu/TimelineItemMenu.swift

@@ -52,7 +52,7 @@ struct TimelineItemMenu: View {
             }
         }
         .accessibilityIdentifier(A11yIdentifiers.roomScreen.timelineItemActionMenu)
-        .presentationPage()
+        .backportPresentationSizingPage()
         .presentationDetents([.medium, .large])
         .presentationBackground(Color.compound.bgCanvasDefault)
         .presentationDragIndicator(.visible)
@@ -251,17 +251,6 @@ private extension EncryptionAuthenticity {
     }
 }
 
-private extension View {
-    /// Uses the old page style modal so that on iPadOS 18 the presentation detents have no effect.
-    @ViewBuilder func presentationPage() -> some View {
-        if #available(iOS 18.0, *) {
-            presentationSizing(.page)
-        } else {
-            self
-        }
-    }
-}
-
 // MARK: - Previews
 
 struct TimelineItemMenu_Previews: PreviewProvider, TestablePreview {

ElementX/Sources/Screens/Timeline/View/Polls/PollView.swift

@@ -92,13 +92,9 @@ struct PollView: View {
 
     private var optionsView: some View {
         ForEach(poll.options, id: \.id) { option in
-            if #available(iOS 18, *) {
-                pollOption(option: option)
-                    .accessibilityHint(L10n.a11yPollsWillRemoveSelection,
-                                       isEnabled: isRemovePreviousSelectionHintEnabled(option: option))
-            } else {
-                pollOption(option: option)
-            }
+            pollOption(option: option)
+                .backportAccessibilityHint(L10n.a11yPollsWillRemoveSelection,
+                                           isEnabled: isRemovePreviousSelectionHintEnabled(option: option))
         }
     }
 

ElementX/Sources/Services/Room/RoomSummary/RoomEventStringBuilder.swift

@@ -55,7 +55,7 @@ struct RoomEventStringBuilder {
                 default: L10n.commonWaitingForDecryptionKey
                 }
                 return prefix(errorMessage, with: displayName, isOutgoing: isOutgoing)
-            case .other(eventType: let eventType):
+            case .other:
                 return nil // We shouldn't receive these without asking for custom event types.
             }
         case .failedToParseMessageLike, .failedToParseState:

ElementX/Sources/Services/Timeline/TimelineItems/RoomTimelineItemFactory.swift

@@ -40,7 +40,7 @@ struct RoomTimelineItemFactory: RoomTimelineItemFactoryProtocol {
                 return buildRedactedTimelineItem(eventItemProxy, messageLikeContent, isOutgoing)
             case .unableToDecrypt(let encryptedMessage):
                 return buildEncryptedTimelineItem(eventItemProxy, messageLikeContent, encryptedMessage, isOutgoing)
-            case .other(eventType: let eventType):
+            case .other:
                 return nil // We shouldn't receive these without asking for custom event types.
             }
         case .failedToParseMessageLike(let eventType, let error):

ElementX/Sources/Services/Timeline/TimelineProxy.swift

@@ -467,7 +467,7 @@ final class TimelineProxy: TimelineProxyProtocol {
         MXLog.info("Toggling reaction \(reaction) for event: \(eventOrTransactionID)")
 
         do {
-            try await timeline.toggleReaction(itemId: eventOrTransactionID.rustValue, key: reaction)
+            _ = try await timeline.toggleReaction(itemId: eventOrTransactionID.rustValue, key: reaction)
             MXLog.info("Finished toggling reaction for event: \(eventOrTransactionID)")
             return .success(())
         } catch {

ElementX/Sources/Services/UserSession/RestorationToken.swift

@@ -57,7 +57,7 @@ extension RestorationToken: Codable {
     }
 }
 
-extension MatrixRustSDK.Session: Codable {
+extension MatrixRustSDK.Session: @retroactive Codable {
     public init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
 

ElementX/Sources/UITests/UITestsSignalling.swift

@@ -9,7 +9,7 @@ import Combine
 import KZFileWatchers
 import SwiftUI
 
-extension Notification.Name: Codable { }
+extension Notification.Name: @retroactive Codable { }
 
 enum UITestsSignal: Codable, Equatable {
     /// An internal signal used to indicate that one side of the connection is ready.