I just did the new update and I'm having this problem when selecting an object. The screen with the code that appears (19644089) doesn't disappear until I close the document.
Launch BETA Photoshop While Pressing The Keyboard Shortcut With Photoshop closed, press and hold Shift+Ctrl+Alt (Win) / Shift+Command+Option (Mac) on your keyboard and then Launch Photoshop the way you normally would. https://helpx.adobe.com/photoshop/using/preferences.html#Manually
2. It may help if we could see your Photoshop beta System Info. Launch Photoshop beta, and select Help >System Info...and copy/paste the text in a reply.