Workspace-scoped references, rename, and go to implementation. These features use your workspace root as the search scope, so behavior will vary based on the directory you open in your editor
If you haven't already, it sounds like it would probably be worth your time to open an issue. If things like workspace-scoped references and renaming aren't working for you when they are working for other people, perhaps you have a non-standard setting, or perhaps there is a need to adjust how you open vscode, or perhaps you are hitting bug(s). My experience has been the people working on gopls are very responsive.