Looks like copied tempfile need to be flushed before further processing. This issue won't happen if the uploaded file has enough file size.
1.2 KiB
32x32px
1.2 KiB
32x32px
![](/bark/mastodon/raw/commit/379115e601361c2b5da775fbf28b7dff9dc02e71/spec/fixtures/files/mini-static.gif)