patch 8.2.0397: delayed screen update when using undo from Insert mode Commit: https://github.com/vim/vim/commit/5715b3147bfc8ddfe905339f6fd224fd3a5a3ba1 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 16 22:08:45 2020 +0100 patch 8.2.0397: delayed screen update when using undo from Insert mode Problem: Delayed screen update when using undo from Insert mode. Solution: Update w_topline and cursor shape before sleeping. (closes https://github.com/vim/vim/issues/5790)

|f+0&#ffffff0|o@1|b|a|r| @68
>f|i|n|d| |t|h|i|s| @65
|f|o@4|b|a|r| @65
|f|o|b|a| @70
|f|o@1|b|a|r| @68
|f|o@1|b|a|r| @68
|f|o@1| @71
|f|o@4|b|a|r| @65
|f|o|b|a| @70
@40|[|1|/|2|]| @11|2|,|1| @10|T|o|p|