On macOS it is possible to use the alt+left/right arrow keys in the program monitor in trim mode. On Windows Strg+left/right arrow key works just in the timeline panel but not if the program monitor is in focus. So you have to switch back and forth between the timeline and the program monitor panel to trim frame by frame with shortcuts.
I use Premiere Pro release 23.1. (german version) on Mac and Windows and I tested this on multiple laptops (all Windows 10, german os).
Steps to reproduce:
- Use Premiere Pro on Windows (German version) and open Trim Mode
- Use Strg+left/right arrow keys (works in the timeline)
- Activate the Program Monitor and use Strg+left/right arrow key again (shortcuts are not working)
Would be great to have this working as it does on macOS.