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)

>(+0&#40ffff15|a+0#e000e06#ffffff0|b|c|)+0#0000000#40ffff15| +0&#ffffff0@69
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
| +0#0000000&@56|1|,|1| @10|A|l@1|