My biggest gripe with the ecosystem right now is complete lack of any consistency around language servers, which seems to come from the fact that many were written assuming they would only ever be a VSCode plugin (ie. typescript-language-server). The author is using coc.nvim which appears to be a VSCode compatibility layer for nvim to deal with this. I've primarily used Mason.nvim just to manage my LSP installs. I'd really love for LSP (and DAP) tooling to make its way into distribution repos, but I'm not sure what needs to change to make that a reality.