Yay glad that fixed it for you!

This comes from Canvas being blocked by default in librewolf. You can either enable it globally in the settings, or enable it per site by clicking the little picture icon in the URL bar and toggling it, then reloading

For keybinds, there is the project Toshy which redirects keys to emulate Mac bindings. It has some issues but works pretty well in my experience

I exclusively use Matrix for social experiences. I’m in servers and group chats for clubs, communities, and even Lemmy instances. Works great

The Mac ecosystem has its own set of tooling for this. It uses Apple’s Rosetta 2 for x86 to ARM translation, and their Game Porting Toolkit (GPTK) for DX12 to Metal (Apple’s proprietary graphics API) translation.

(Should note that Asahi doesn’t have full support for M4 Macs yet so I’m assuming they’re on MacOS)

That use case makes it sound like you’re looking for a vector editor, like Krita