If smart quotes is enabled in settings, instead of getting " you get <<. If you uncheck the smart quotes, it works but obviously, you don't get smart quotes regardless of the font chosen.
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.