Control desktop monitor settings still requires using the display's built in controls. This should be directly accessible to the OS so one can quickly lower or raise the screen's brightness like on a laptop.

Manually turn off bluetooth once disconnect from paired device, such as a car or headphones. Save battery and reduced in-store tracking.

Interactions with smart phones still requires multiple attempts to properly format text, fix corrects on unknown words or industry jargon, and copy and paste text.

Android 12+, Google camera no longer follows the standard of allowing to select the photo gallery application and requires open it manually. Older versions allowed for it. Now Google forces you to use their application and break standard. Another Do as I say, not as I do.