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Matlab R2019b gets stuck and is not responding when open in macOS 10.15.4

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Li Hang
Li Hang on 30 Mar 2020
Commented: Xiaokai Xia on 30 Apr 2020
I update macOS to 10.15.4 but when I open the Matlab R2019b, it gets stuck and becomes no responding all the time.
Is there any compatibility problems between R2019b and 10.15.4?

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Answers (2)

Bhargavi Maganuru
Bhargavi Maganuru on 2 Apr 2020
MATLAB R2019b support MacOS Catalina. There are few incompatibilities when running MATLAB on macOS Catalina. For more details follow the link https://www.mathworks.com/matlabcentral/answers/489700-is-matlab-compatible-with-macos-catalina

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Jiang Zhiping
Jiang Zhiping on 13 Apr 2020
I also confirm the stuck problem. It seems the stuck occurs very frequently on macOS10.15.4 with MATLAB 2020a and also 2019b. The freeze usually lasts seconds to even a minute. Then it comes to normal.
Mickey London
Mickey London on 14 Apr 2020
Same here. Since the latest update of catalina to 10.15.4 its non-responsive to a degree it is impossible to work

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Bhargavi Maganuru
Bhargavi Maganuru on 28 Apr 2020
There is an issue with the way Accessibility features work on macOS with MATLAB at this time.
You can follow these steps:
  1. Go to System Preferences > Security & Privacy > Privacy > Accessibility. This list shows all the applications that you've given permission to use the Accessibility API. One of these applications is triggering the bug in MATLAB and causing it to hang.
  2. You'll need to use a process of elimination to determine which application is preventing MATLAB from starting. It is likely to be an app that gets and sets information about other application windows.

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