I read an article speculating that the addition of a few Steamboat Willie frames to the introduction video played on modern Disney movies was to try and push this from copyright protection into trademark protection.

Trademark protection does not expire.

I didn’t know Winnie the Pooh was already public domain and that there is a horror movie about him made already? I got to watch that

This YouTube video show some screenplay from Mouse, an upcoming noir based FPS game. The game will take full advantage of the public’s right to reuse1920s era cartoons, particularly Steam Boat Willy, in new and innovative ways.

https://youtu.be/kNad1vG1QG4?si=QywRxIhPpQpq6GPM

Aren’t they just gonna ask to have the copyrights extended again?