Question:

How to fix the invisible edge panel handler?

Answer:

Follow these steps to troubleshoot the issue:

Ensure that edge panels are turned on: Go to Settings > Display > Edge panels.

Adjust handle position and transparency: In the same menu (Settings > Display > Edge panels), find the option for Handle and tweak its position and transparency to make it more visible. Lower transparency settings may help the handle show up better.

Check if Easy mode is enabled: If so, edge panels are not supported. To use edge panels, go to Settings > Display > Easy mode and turn it off.