wezterm doesn't seem to support using shared memory, but it might support using temporary files which may or may not be faster than transmitting base64-encoded chunks.
Using POSIX things like select on standard input and termios to control whether input is buffered or not isn't supported either, so that's something else that will have to be addressed.
Kitty doesn't support Windows, but wezterm supports the Kitty graphics protocol and has Windows support.
wezterm doesn't seem to support using shared memory, but it might support using temporary files which may or may not be faster than transmitting base64-encoded chunks.
Using POSIX things like
selecton standard input andtermiosto control whether input is buffered or not isn't supported either, so that's something else that will have to be addressed.