It's the small things: If you've been bothered with #calls and #chatty seemingly starting up slowly in #phosh (while most other apps startup fast): I've posted MRs to fix this in chatty and calls (which then also prompted a small fix in phosh). Here's a quick demo of calls before and after the change:
More info on GtkInspector in #gnome's developer documentation: https://developer.gnome.org/documentation/tools/inspector.html and here's how to use it in a nested phosh session: https://phosh.mobi/posts/phosh-dev-part-0/
@agx I miss the python shell from GtkParasite...