Possibly at [this](https://github.com/neovim/neovim/commit/23fe6dba138859c1c22850b9ce76219141f546a0) commit, the signature of the handler has changed and is breaking this plugin. [This](https://github.com/ojroques/nvim-lspfuzzy/blob/6f2cfbd0dffdbf0c74db5a3f91e2e65c27af545f/lua/lspfuzzy.lua#L90) code might be indirectly affected by the signature change.
Possibly at this commit, the signature of the handler has changed and is breaking this plugin.
This code might be indirectly affected by the signature change.