@equalsraf

The checks are not starting for this PR

Windows tests are running now, but one of them is failing.

Enabled https://github.com/marketplace/actions/debugging-with-tmate for that windows job, which gave ssh into the runner. I cannot get ctest to output verbose messages, e.g. ``` runneradmin@fv-az34-474 MINGW64 /d/a/neovim-qt/neovim-qt/build # ctest -VV -C Release...

In general it seems that the test tries to grab the shell content, but instead of getting the expected characters it gets a space (32) - like the shell was...

> I've found a workaround for the test-failure-output issue! Pure madness, maybe it is doing some detection based on the terminal. > If we can get GitHub Actions working reliably,...

> The behavior of the neovimAttachmentChanged signal changed, and this broke tests. A call to ->show() is now required. Concerning this one, ValidateNeovimConnection is always called after a call to...

I dont think it is a bug, I suspect they are not running at all. Here are two example from a recent PR 1. in linux it looks ok https://github.com/equalsraf/neovim-qt/runs/5035009356?check_suite_focus=true...

I'm not sure how GVim is currently doing it in your system, there are a couple of ways to do it (documented at the [wiki](http://vim.wikia.com/wiki/Adding_Vim_to_MS-Windows_File_Explorer_Menu)) In our case we are...

I see. Here is an equivalent issue for python https://bugs.python.org/issue26866, and similar for vimr https://github.com/qvacua/vimr/issues/308 So we need a way to determine when nvim-qt is started this way to set...

No idea honestly. I see antialiasing is explicitly enabled when drawing an undercurl, but in no other case. Is it possible this is not antialiasing related, but rather some other...