It only affects 32-bit

docs/docs/photos/troubleshooting/thumbnails.md

@@ -23,11 +23,12 @@ canvas.
 ## Desktop
 
 The only known case where thumbnails might be missing on desktop is when
-uploading **videos** during a Google Takeout or folder sync on **Intel macOS**
-machines. This is because the bundled ffmpeg that we use does not work with
-Rosetta. For images, we are able to fallback to other mechanisms for generating
-the thumbnails, but for videos because of their potentially huge size, the app
-doesn't try the fallback to avoid running out of memory.
+uploading **videos** during a Google Takeout or folder sync on **32-bit Intel
+macOS** machines. This is because the bundled ffmpeg that we use does not work
+on this 32-bit Intel macOS. In such cases, for images we are able to fallback to
+other mechanisms for generating the thumbnails, but for videos because of their
+potentially huge size, the app doesn't try the fallback to avoid running out of
+memory.
 
 In such cases, you will need to use the following workaround:
 
@@ -40,7 +41,7 @@ In such cases, you will need to use the following workaround:
     `/Applications/ente.app/Contents/Resources/app.asar.unpacked/node_modules/ffmpeg-static/ffmpeg`.
 
 Even without the workaround, thumbnail generation during video uploads via the
-normal folder selection or drag and drop will work fine (since in this case we
+normal folder selection or drag and drop should work fine (since in this case we
 have access to the video's data directly without reading it from a zip and can
 thus use the fallback).
 
@@ -51,5 +52,5 @@ You will need to upload the affected files again.
 
 Ente skips over files that have already been uploaded, so you can drag and drop
 the original folder or zip again after removing the files without thumbnails
-(and fixing the issue on web or adding the workaround on Intel macOS), and it'll
-only upload the files that are necessary.
+(and fixing the issue on web or adding the workaround on 32-bit Intel macOS),
+and it'll only upload the files that are necessary.

web/apps/photos/src/services/upload/uploadService.ts

@@ -1045,9 +1045,9 @@ const withThumbnail = async (
             //    ARM64 Linux. This won't be possible since the bundled
             //    imagemagick doesn't yet support these OS/arch combinations.
             //
-            // 2. We're trying to generate a video thumbnail on Intel macOS.
-            //    This won't be possible since the bundled ffmpeg doesn't
-            //    support Rosetta.
+            // 2. We're trying to generate a video thumbnail on 32-bit Intel
+            //    macOS. This won't be possible since the bundled universal
+            //    ffmpeg only supports 64-bit archs.
             //
             // 3. Some other arbitrary exception happened.
             //