System Information
Operating system: Windows 10
Graphics card: GTX 780

Blender Version
Broken: 2.8, 2.9
Worked: (newest version of Blender that worked as expected)

Short description of error
Shortcut [ for "select before current frame" doesnt work on windows 10, keyboard AZERTY

Exact steps for others to reproduce the error

• Create 3 animation keys
• Select one key,
• In the menu Select of Dope Sheet, click on "Before Current frame". It doesn't work (windows 10, azerty keyboard)

Thank you!
dono