Why is MATLAB slow after updating my MacOS to version 11.4?

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After updating my MacOS to 11.4, MATLAB takes a long time to start or starts extremely slow. 
When using MATLAB it also sometimes freezes.
How can I resolve this issue?

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 12 Oct 2021
Edited: MathWorks Support Team on 7 Apr 2022
This issue has been resolved with MacOS 12 Monterey
If you are unable to update to MacOS 12 and are experiencing slow MATLAB Start up, you may start MATLAB through the terminal as a work around.
To open MATLAB from the terminal, open a Terminal window (/Applications/Utilities/Terminal.app) and run the following command:
Where $MATLAB is the path to your MATLAB directory. For example, if you are using MATLAB R2021a and have installed MATLAB in the default directory, the command will be:
Note: The issue does not seem specific to M1 chips, as it has been reported on Intel. 
Joseph Quesenberry
Joseph Quesenberry on 23 Jul 2022
I am having the same problem on my Macbook Pro (early 2015) with Matlab r2022a, running on OS Big Sur. None of the above solutions have helped the problem, so I may be switching back to an earlier Matlab release until there is a fix.

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