Casting to TV crashes app

[HerlockSholmes22]

Describe the bug
When I try to cast to the TV it crashes and sends me back to the Home Screen

To Reproduce
Steps to reproduce the behavior:

1. Go to a video
2. Click on the cast button
3. Select the tv (either through code or recognizing it)
4. Sent back to Home Screen

Expected behavior
Allowing me to send videos from my phone to my TV.

Screenshots
Screenshots don’t seem to be applicable for this.

Device info (please complete the following information):

• Device: iPhone 17
• iOS version: iOS 26.5.2
• YouTube Version 20.10.4
• Selected options/tweaks at build time [e.g. all tweaks are enabled]
• Selected options/tweaks when running the app [e.g. Sponsorblock enabled, A/B config enabled]

Additional context
Add any other context about the problem here.

[fosterbarnes]

Interesting. What side loading method do you use?

[HerlockSholmes22]

I've tried using either Signulous or Feather. Both had the same problem.