From eaf36878a43353de52f7461cc4dbf9bea5f6db66 Mon Sep 17 00:00:00 2001
From: Harry <109690906+harry-signal@users.noreply.github.com>
Date: Mon, 22 Apr 2024 09:57:31 -0700
Subject: [PATCH] Update media gallery view on the main thread

---
 Signal/src/ViewControllers/MediaGallery/MediaGallery.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Signal/src/ViewControllers/MediaGallery/MediaGallery.swift b/Signal/src/ViewControllers/MediaGallery/MediaGallery.swift
index 4fde8113bc..00ade18386 100644
--- a/Signal/src/ViewControllers/MediaGallery/MediaGallery.swift
+++ b/Signal/src/ViewControllers/MediaGallery/MediaGallery.swift
@@ -110,11 +110,11 @@ class MediaGalleryItem: Equatable, Hashable, MediaGallerySectionItem {
 
     var attachmentId: MediaGalleryResourceId { attachmentStream.reference.mediaGalleryResourceId }
 
-    typealias AsyncThumbnailBlock = (UIImage) -> Void
+    typealias AsyncThumbnailBlock = @MainActor (UIImage) -> Void
     func thumbnailImage(async: @escaping AsyncThumbnailBlock) -> UIImage? {
         Task { [attachmentStream] in
             if let image = await attachmentStream.attachmentStream.thumbnailImage(quality: .small) {
-                async(image)
+                await async(image)
             }
         }
         return nil