Another online math editor named mathcha.

If you like math whether you are a student, teacher, or parent, then this online editor is very suitable for you.
Take a look at the official youtube channel:

Godot 4.0 : New feature SDFGI on Godot.

Another feature for Godot game engine:

• Godot 4.0 gets SDFGI stands for Signed Distance Field Global Illumination based real-time global illumination;

See this feature at Juan Linietsky official YouTube channel - the author of this good game engine.
Juan Linietsky is part of the development team of Godot game engine starts in 2007.

Unity 3D : Unity Learn Premium will be available to everyone at no cost.

Unity 3D team comes with many resources and features for game development and students:
Supporting our Community: We’re making Learn Premium available to all users in perpetuity. Start Learning.
You can find on the official webpage two :
Unity ML-Agents Hummingbirds
and
Unity ML-Agents Penguins
A short introduction by Jessica Lindl on June 23, 2020, can be found on the official Unity blog tells us:
... That’s why starting today, Unity Learn Premium will be available to everyone at no cost.
Now, let's see the video from the official Unity YouTube channel:

How to Create Variable Radius Bevel in Blender by Gleb Alexandrov.

With 157K subscribers, the author of this video tutorial comes with a good point to start learning Blender 3D software ...
Follow the channel to see more ...