Toolstrip and Script Editor responding very slowly

Hello, i just downloaded R2018b (academic use) and i must determine that toolstrip at the main window and the script editor are responding very slowly. E.g. when i want to open a recent file by clicking on "open" it takes 5 seconds until the recent files are shown. As well when i switch to the editor window it takes around 20 seconds (the apple rainbow circle appears) until i can continue. Codes are running well. Matlab runs on MacBook Pro 2012. I already disabled the code analyzer and source control, java heap memory is at 1800MB and and i am not working with a network-located workspace. Can anyone help? Thank you in advance!

[Jack Liu]

I have the same problem. Happened both on MacBook Pro and Surface Book.

[Aous Naman]

Same here on MacBook Air mid 2012 with macOS High Sierra 10.13.6. It is unusable.

[Yan Zhang]

Same here. Macbook Pro 2014. It is laggy even when I tried to move the cursor or type texts.

[DaeHan Ahn]

I have same issue on iMac 5K 2017.

Answer 1

[Aous Naman]

For me the problem was "Magnet," the window management software. I shut it down and everything works normally now.

Spectacle does not cause this problem.

Hope this is useful.

Edit: alternatively, you can choose "ignore MATLAB" in Magnet.

[Benedikt Beckenbauer]

Yes. Magnet caused the problem for me too. It's strange and I don't like the fact i can't use both software. Maybe there is a way to fix it(?)

[Michael Yang]

Thank you for your answer! Magnet also caused this problem for me. Interesting how magnet would affect matlab...