Any content that uses DRM like on HBO, Netflix, or Disney Plus have all stopped playing as you can see below:



I expected content to play normally with videos all appearing and playing, especially in compatibility mode.
Also, the steps to reproduce it are:
Step 1: Open streaming services
Step 2: Choose show/movie
Step 3: Click Play
0.99.137-beta (WebKit 623.1.8.0.0)
Tahoe (26)