Re:Android Studio 3.0 Release Notes
by ripdog on Saturday October 28, 2017 @10:28AM
(#15575231)
Have you tried the new versions with Zero Latency Typing? As the name implies, they managed to basically eliminate all latency on typing, even beating apps like notepad++ and emacs on latency. It's switched on by default in the current release.
https://pavelfatin.com/typing-with-pleasure/#windows