Godot version

4.0.alpha13

System information

linux

Issue description

https://user-images.githubusercontent.com/71937306/183679276-d3a59887-300b-470b-b8cd-c584a0a7f9e9.mp4

• Saving then reloading the scene works.
• This works as expected in 3.5 official: the new mesh uses the surface material override instantly.

Steps to reproduce

As seen in the video:

1. Create a Mes

Tracking issue for improving the egui docs. Other suggestions for improvements welcome!

All doc-examples need to be part of the doctests (i.e. they should never be marked ignore, though no_run can maybe sometimes be motivated).

egui

The crate-level docs for egui (at https://docs.rs/egui generated from egui/src/lib.rs) sh

MonoGame has a very long history of tutorials, some are as old as a decade and some even are still based on XNA (which is compatible with MonoGame for the most part, but different in regard to how to start a project).

Also, MonoGame is a stable API with a policy of "no breaking changes" when possible, which means that even very old tutorials

Hijacking top post for tasks:

• Add environment variable to pygame module docs with the other environment variables
• Add note about current behaviour (defaults to no joystick events for apps without focus) to joystick module introduction somewhere.
• Nice to have: open a new issue about adding SetSDLHint() & GetSDLHint() (names not final) to new context module.

**Win