Unity Debug

Could you have a try with this new version: https://github.com/Unity-Technologies/vscode-unity-debug/releases/download/Version-3.0.1/unity-debug-3.0.1.vsix
There is also a forum post for more general discussions on the new release here: https://forum.unity.com/threads/unity-debugger-extension-for-visual-studio-code-3-x-preview-release.653971/
I will keep you posted.

Unity Debugger Extension for Visual Studio Code 3.x Preview Release