Dialyzer in ElixirLS cannot access .beam files for core erlang code

Yes, I’ve compiled the extension locally and then installed it to the VS Code as mentioned here. But please note that ElixirLS will not work with any projects require OTP version lower than you’ve used for elixir-ls compilation so if you compile it with OTP-24 it will give errors for OTP-23 projects (at least it does for me).