Glitch when swiping between desktops on M1

I have the same experience on my MacBook Pro 16" 2021 (M1 Pro). I even had it on my previous MacBook Pro 13" 2020 (M1).

Slightly annoying, and it seems to occur when there are a good number of windows open (but not always).

Safe mode does nothing.

Hello blackandwhite7,

To help resolve the issue you're seeing when switching between desktops, start by testing in safe mode.

Safe mode clears caches and can bypass software that can cause issues:

How to use safe mode

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Shut down your Mac.

2. Turn on your Mac and continue to press and hold the power button until you see the startup options window.

3. Select your startup disk, then press and hold the Shift key while clicking “Continue in Safe Mode.”

4. Log in to your Mac. You might be asked to log in again.

Intel processor

1. Turn on or restart your Mac, then immediately press and hold the Shift keyas your Mac starts up.

2. Release the key when you see the login window, then log in to your Mac. 

3. You might be asked to log in again. On either the first or second login window, you should see ”Safe Boot” in the upper-right corner of the window.

Follow the additional steps in the following article depending on the result you get:

How to use safe mode on your Mac - Apple Support

If the issue persists, we recommend you Contact Apple for support and service - Apple Support

Best Regards.