Discord is the fastest way to reach us. Under Help & Feedback there are three channels: #questions if you are stuck, #bugs if something is broken, and #feedback for everything else.
%APPDATA%\Godot\app_userdata\Genesis Core\logs.
Paste that path into the File Explorer address bar to open the folder.logs.Settings › Gameplay has a Copy diagnostics row that puts the version, operating system and graphics adapter on your clipboard.
Also useful