Out of frustration for this, I wrote Craig Federighi an email some years back. I asked if it was possible to just disable the spaces animation without disabling ALL animations, since the rolling animation makes me nauseous. Previously I had used yabai, but it needed to disable SIP in order to switch without an animation, which was a no-go for me.

He responded with several follow up questions, but nothing came of it unfortunately… Hopefully it’s on someone’s task list somewhere

You used to be able to modify a plist to change the duration of things like switching spaces. It stopped working around 10.14 and I really miss it.

Have you ever tried “Reduce Motion” in Accessibility -> Display?

Yes. Instead of a sliding animation with a one second duration, I get a crossfade animation with a one second duration.

This. I keep typing right after I switch screens and it ALWAYS misses the first couple of keys. It's absolutely infuriating

Is this when using fullscreen apps / spaces? I exist entirely between iterm and chrome, so I use iterms non-native fullscreen so that it’s fast to switch otherwise the OS lag is unbearable.

ctrl+Number is the fastest way to switch Spaces out of the box. Some third party apps (Total Spaces) get rid of all animations.