I'd stick to lazy.nvim for now. Lazy loading is really neat and lazy.nvim's ability to specify plugin dependencies isn't something vim.pack has either.
I'd guess if you don't care about lazy loading and OK with just loading everything all the time - vim.pack is great to have as a built-in.
I'd guess if you don't care about lazy loading and OK with just loading everything all the time - vim.pack is great to have as a built-in.