See: https://beta.apple.com/sp/betaprogram/restore#macos

Just to add, if set to blue, it turns red. If set to green, it remains green. :)

Still not fixed Still not fixed Version 12.0 Beta (21A5268h)

Happened on three different Macs. Created a test account on one of the three and the widgets appear.

Thanks for the feedback. I'm hoping to avoid do a clean install on three Macs. Hopefully the next beta will resolve the issue. If not, I guess I won't have a choice.

If you can't get it resolved you can always download 11.4 from the App Store.

Fixed in beta 3.

Still not fixed as of Beta 6.

Same problem Beta 7

I don't have the mouse however, from the Release Notes for 12.3… "Some third-party keyboards and mice might encounter issues when using additional functionality, like scroll wheels. (88106362)".

Fixed. Had to log out of the App Store on all 4 Macs and re-log in. No idea why.

Check compatibility near the bottom of the page. https://www.apple.com/macos/macos-ventura-preview/

FWIW, I did create a Ventura bootable installer "successfully" on my M1 MacBook Air. However, it does not show up in Startup Disk or Options, so I can't boot from it. I seem to remember something about booting from an external may be disabled during beta testing but I don't know that for sure.