Boost will sometimes scale images in a weird way, making them look like low resolution renders without antialiasing. This behavior can be observed in this post: https://lemm.ee/post/10597386
The image looks fine when opened in the web view: https://lemmy.world/pictrs/image/a8f1dd3c-6474-4000-9cf1-c1d76ef4c25d.jpeg
In boost it looks like this, even when zooming in:
I saw this image issue earlier, not even realizing it was a Boost issue.