Godot version

4.0 alpha 9

System information

Windows 10

Issue description

Trying to change scene using change_scene() whilst having a LineEdit node present within the scene being loaded and having a forced displayed caret causes an error:

Timer was not added to the SceneTree. Either add it or set autostart to true.

Steps to reproduce

Create a scene
add a LineEdit node

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

What could be improved

Based on this issue: flame-engine/flame#954, I noticed that we could also go for the same approach for the packages' unit/widget tests execution,

This is all the calls that use the 'blend' argument that is being dropped in 2.2 - for example:

https://github.com/pygame/pygame/blob/0dbf19abbdad7115c7dc0136936885db3b0a0085/test/draw_test.py#L3755

2.2 is not that far off now anyway so we should prepare by cleaning up our tests and the docs to show proper intended usage before the final code removal in 2.2.