Photoshop locked up when importing an open photo to a new blank photo.

Can you clarify your workflow?

Did you open both images separately in Photoshop, and then drag one to the other?

Or did you try to Place embeded the second file?

You say they are the same resolution, but that is ambiguous.  You need to think in terms of the image size in pixels.

Even if they don't match in size, you should still be able to add one to the other even if they are different bit depth or colour space.  You should get a warning notice and be allowed to proceed.

Do botht images open OK one at a time?

Have you tried the same operation in the full release version?

What is your system spec?   Do what Cory asked and paste your system info to this thread.

@theimager how large are the files you are trying to copy?

Hi @theimager 

Try resetting Prefs for the Beta:
/Users/yourname/Library/Preferences/ Photoshop Beta Settings (Mac Ventura)
/Users/yourname/Library/Preferences/Adobe\ Photoshop\ \(Beta\)\ Settings (Mac)
C:\Users\user name\AppData\Roaming\Adobe\Adobe Photoshop (Beta)\Adobe Photoshop (Beta) Settings )Win)
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  

It may help if we could see your Photoshop System Info. Launch Photoshop, and select Help >System Info...and copy/paste the text in a reply.