On Bazzite.

Programs often take a concerningly-long time to load. Like 30 seconds+. But it's intermittent. Haven't been able to put together any patterns as to when this does or doesn't happen.

About 1/3 of the time when I try to open a PDF file (which open in Firefox), they just.... don't. Plasma will just spin with the Firefox icon on the mouse cursor for like 10 seconds and then silently do nothing. No errors of any kind reported. No idea where I might look for logs or whatever to help diagnose the issue.

Dolphin is definitely lacking in the UX department for frequent actions I'm used to in Windows, like mounting SMV shares with non-default credentials (basically impossible in Dolphin, only doable in CLI), creating new folders (I've been spoiled by having a dedicated toolbar button), and working with elevated permissions (Windows will just seamlessly prompt you when additional permissions are needed, Dolphin will just error, sometimes with useless error messages, and make you go elevate your session separately).

Windows (the UI concept, not the OS) do not remember and restore to their prior locations, which Windows (the OS) always handled pretty seamlessly. I know I can supposedly make this happen via the "window rules" settings, but I haven't been able to find ANY good resources on how that system actually works, and when I tried to just do it intuitively, I fucked up things like where the Application Menu and Open File dialogs appear. No, I don't want to have to configure it specially for every app I might use, I want there to just be sensible defaults that I don't have to fight against.

Those are the ones that're coming to mind. All very nitpicky, but I'm largely a UI/UX designer at work, so I'm pretty sensitive to nitpicky things. No regrets, though.