0.10 colorscheme flickering about neovim

[gpanders]

This looks similar to #26372 which was fixed in #26381. I can't reproduce this on 8bb5089 but I can on current master, so I think this might have regressed.

[gpanders]

Bisected to 037ea6e. cc @luukvbaal

EDIT: Hmm there might be more than one thing going on here. Using this as init.lua:

vim.api.nvim_create_autocmd("VimEnter", {
	callback = function()
		--[[ (1) ]] vim.cmd.sleep(1)
		--[[ (2) ]] vim.fn.system("notify-send vimenter")
		--[[ (3) ]] vim.print("asdf")
	end,
})
vim.cmd.colorscheme("blue")

and running with VIMRUNTIME=runtime build/bin/nvim --clean -u init.lua, the black screen occurs on 8bb5089 as well. But when starting Nvim "normally" (i.e. with my own init.vim), I don't see any flicker on 8bb5089 or any following commit, until 037ea6e.

Will open a separate issue for this.

[zeertzjq]

I don't think you are bisecting correctly. The previous commit has the same behavior.

[gpanders]

I don't think you are bisecting correctly. The previous commit has the same behavior.

I am bisecting correctly. Please read my edit.

[zeertzjq]

I can't understand what your edit means. Are you using your own config for bisecting instead of the ones mentioned in this issue?

[gpanders]

I've found a separate but similar issue, which I at first thought was the same. I'll open a separate issue for this.