Make sure to clean-up any previews when the coordinator is done.

ElementX/Sources/Screens/MediaEventsTimelineScreen/MediaEventsTimelineScreenCoordinator.swift

@@ -79,6 +79,10 @@ final class MediaEventsTimelineScreenCoordinator: CoordinatorProtocol {
             .store(in: &cancellables)
     }
 
+    func stop() {
+        viewModel.stop()
+    }
+
     func toPresentable() -> AnyView {
         AnyView(MediaEventsTimelineScreen(context: viewModel.context))
     }

ElementX/Sources/Screens/MediaEventsTimelineScreen/MediaEventsTimelineScreenViewModel.swift

@@ -120,6 +120,11 @@ class MediaEventsTimelineScreenViewModel: MediaEventsTimelineScreenViewModelType
         }
     }
 
+    func stop() {
+        // Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
+        state.bindings.mediaPreviewViewModel = nil
+    }
+
     // MARK: - Private
 
     private func updateWithTimelineViewState(_ timelineViewState: TimelineViewState) {

ElementX/Sources/Screens/MediaEventsTimelineScreen/MediaEventsTimelineScreenViewModelProtocol.swift

@@ -11,4 +11,6 @@ import Combine
 protocol MediaEventsTimelineScreenViewModelProtocol {
     var actionsPublisher: AnyPublisher<MediaEventsTimelineScreenViewModelAction, Never> { get }
     var context: MediaEventsTimelineScreenViewModelType.Context { get }
+
+    func stop()
 }

ElementX/Sources/Screens/PinnedEventsTimelineScreen/PinnedEventsTimelineScreenCoordinator.swift

@@ -93,6 +93,10 @@ final class PinnedEventsTimelineScreenCoordinator: CoordinatorProtocol {
         }
         .store(in: &cancellables)
     }
+
+    func stop() {
+        viewModel.stop()
+    }
 
     func toPresentable() -> AnyView {
         AnyView(PinnedEventsTimelineScreen(context: viewModel.context, timelineContext: timelineViewModel.context))

ElementX/Sources/Screens/PinnedEventsTimelineScreen/PinnedEventsTimelineScreenViewModel.swift

@@ -35,6 +35,11 @@ class PinnedEventsTimelineScreenViewModel: PinnedEventsTimelineScreenViewModelTy
         }
     }
 
+    func stop() {
+        // Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
+        state.bindings.mediaPreviewViewModel = nil
+    }
+
     func displayMediaPreview(_ mediaPreviewViewModel: TimelineMediaPreviewViewModel) {
         mediaPreviewViewModel.actions.sink { [weak self] action in
             switch action {

ElementX/Sources/Screens/PinnedEventsTimelineScreen/PinnedEventsTimelineScreenViewModelProtocol.swift

@@ -12,5 +12,7 @@ protocol PinnedEventsTimelineScreenViewModelProtocol {
     var actionsPublisher: AnyPublisher<PinnedEventsTimelineScreenViewModelAction, Never> { get }
     var context: PinnedEventsTimelineScreenViewModelType.Context { get }
 
+    func stop()
+
     func displayMediaPreview(_ mediaPreviewViewModel: TimelineMediaPreviewViewModel)
 }

ElementX/Sources/Screens/RoomScreen/RoomScreenCoordinator.swift

@@ -201,7 +201,7 @@ final class RoomScreenCoordinator: CoordinatorProtocol {
 
     func stop() {
         composerViewModel.saveDraft()
-        timelineViewModel.stop()
+        roomViewModel.stop()
     }
 
     func toPresentable() -> AnyView {

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift

@@ -115,6 +115,11 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
         }
     }
 
+    func stop() {
+        // Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
+        state.bindings.mediaPreviewViewModel = nil
+    }
+
     func timelineHasScrolled(direction: ScrollDirection) {
         state.lastScrollDirection = direction
     }

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModelProtocol.swift

@@ -12,6 +12,8 @@ protocol RoomScreenViewModelProtocol {
     var actions: AnyPublisher<RoomScreenViewModelAction, Never> { get }
     var context: RoomScreenViewModel.Context { get }
 
+    func stop()
+
     func timelineHasScrolled(direction: ScrollDirection)
     func setSelectedPinnedEventID(_ eventID: String)
     func displayMediaPreview(_ mediaPreviewViewModel: TimelineMediaPreviewViewModel)

ElementX/Sources/Screens/Timeline/TimelineViewModel.swift

@@ -125,11 +125,6 @@ class TimelineViewModel: TimelineViewModelType, TimelineViewModelProtocol {
 
     // MARK: - Public
 
-    func stop() {
-        // Work around QLPreviewController dismissal issues, see the InteractiveQuickLookModifier.
-//        state.bindings.mediaPreviewViewModel = nil
-    }
-
     override func process(viewAction: TimelineViewAction) {
         switch viewAction {
         case .itemAppeared(let id):

ElementX/Sources/Screens/Timeline/TimelineViewModelProtocol.swift

@@ -13,8 +13,8 @@ import SwiftUI
 protocol TimelineViewModelProtocol {
     var actions: AnyPublisher<TimelineViewModelAction, Never> { get }
     var context: TimelineViewModel.Context { get }
+
     func process(composerAction: ComposerToolbarViewModelAction)
     /// Updates the timeline to show and highlight the item with the corresponding event ID.
     func focusOnEvent(eventID: String) async
-    func stop()
 }