No worries, this will never be a Neovim distribution
Measure startup time
nvim --startuptime startup.log
Show all highlight groups colored (does not show up immediately)
:so $VIMRUNTIME/syntax/hitest.vim
Debug lua e. g.
:lua print(vim.inspect(variable))
To use oxi for replacement run
~/.local/share/nvim/lazy/nvim-spectre/build.sh
See spectres README fo more information