priapus

Multiplexing, remote multiplexing, shell integration, SSH integration, image rendering, ligatures, image rendering (mainly for TUI file managers like Yazi), support for font styling, scrollback searching, persistent sessions.

Many of these might not matter to you, but I use a lot of these features very frequently, especially remote multiplexing which only Kitty and Wezterm do AFAIK.

I also paricularly like Westerns feature where you can press a keybind and itll show two character flags over all the links and paths currently being displayed, and you type the flag to copy it. Let’s me avoid switching my hand over to my mouse.

You can just go test it out yourself. Compare using a TUI in a hardware accelerated terminal to one that isnt. If you use a lot of TUIs or very dynamic CLIs it makes a very noticeable difference

I dont see anything in your post that isnt already possible on Linux. OBS and GPU-Screen-Recorder both work great, I dont know what features could be needed that they dont offer.

Gamescope is capable of upscaling games with FSR. It doesnt support as many upscaling options as Magpie, but clearly the capability is there and not restricted by anything inherent to Linux.