FWIW, your "vim stack" is identical to mine. I also use a python lsp implementation, plugged in to ALE. I'd mirror your comments, and especially emphasize the

FWIW, your "vim stack" is identical to mine. I also use a python lsp implementation, plugged in to ALE. I'd mirror your comments, and especially emphasize the speed aspect. (I think your ordering of comparisons matches the ranking of differences).