I noticed that maximum animation speed is pushed to 150% now, but I feel like it's still too slow. Is it possible to make that much faster (like the vanilla spyglass speed or even faster)?

You're right, ease out does look better. Actually ease in is also good normally, the problem seems to be the animation is often slower. Maybe it's because of my computer.

Maybe it seems that way due to the transition you picked. Try an ease out rather than an in