I'd like to use Google Tasks, not from the sidebar of Gmail or Google Calendar, etc., but as a standalone browser window.
Even better would be to open it as a Chrome / Firefox webapp (i.e. a standalone non-browser window).
Here's how to get it working straight from a PWA shurtcut:
No third party extensions or anything, just a small edit to the manifest (spent like 3 hours stubbornly working on it lol)