I've noticed for a while that when playing a linked video directly in the app, it doesn't respect the global auto-rotate setting of the screen. Only today did I notice that there's a "lock rotation" button at the top of the player, but unless I'm misunderstanding something, it seems to do the opposite of that it's showing: when I see the little lock it's unlocked, and then it's just the rotation icon it's actually locked. For context, my phone's rotation is always locked, but the video always rotates on me.

In general my suggestion for the behavior for playing video would be to rotate and lock it to the "correct" orientation for it's aspect ratio. It makes no sense to play a portrait video in landscape, neither does the other way around. Rotating the phone should probably still be able to flip it 180°.

The linked post essentially performed a benchmark of lemmy apps and if they properly display the formating options available. Sync got 3rd last place, position 18 out of 20 apps, with a score of 6.9 out of 10. There's a comment that essentially contains the test set. I hope we get some fixes, cause some of the problems have been around for a while.

In my personal experience the issues with spoiler tags, and some of the embedded images and their sizes is rather annoying. For example this comment shows perfectly fine on desktop, but becomes a garbled mess on sync (as you can tell by my comment, blaming the bot). Also note that while sync technically gets 3/3 for the images, the last image should be text-sized between the "arrows". It isn't, it's just huge (and consequently a pixelated mess).

Edit: fixed link to example comment for spoiler.