Why? What is the problem? Non-declarative UI's are complex: You have to attach and detach event handlers at the right point, there are many possibles states your UI can be in, and moving from one ...

I'm opening a new issue for the 2nd problem originally reported in microsoft/vscode-python#11865: While microsoft/vscode-python#11865 now only focusses on the empty display issue, which is kind of ...