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Warning: X does not support locale en_US.UTF-8

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After application of R2022b_upd5 on linux mint (21.1 Cinammon) I always get the following warning at the startup: Warning: X does not support locale en_US.UTF-8 But the MATLAB has proper "locale" feature:
>> feature('locale')
ans =
struct with fields:
ctype: 'en_US.UTF-8'
collate: 'en_US.UTF-8'
time: 'en_US.UTF-8'
numeric: 'en_US_POSIX.UTF-8'
monetary: 'en_US.UTF-8'
messages: 'en_US.UTF-8'
encoding: 'UTF-8'
terminalEncoding: 'UTF-8'
jvmEncoding: 'UTF-8'
status: 'MathWorks locale management system initialized.'
warning: ''
Any idea what is wrong after update5?
  6 Comments
Michal
Michal on 21 Apr 2023
@Cheliza Everything (!!!) mentioned in your comment does not work at all.
Mike Metts
Mike Metts on 6 Jun 2023
Moved: Rik on 7 Jun 2023
Why is this still broken? Just installed 2023a Update 2 on Ubuntu 22.04 and I'm getting the warning. Why? It looks like you promised to fix this long ago.

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Accepted Answer

Michal
Michal on 13 Mar 2023
Edited: Michal on 16 Mar 2023
Official TMW statement:
"This is a warning message that can be disregarded and it has no impact on the functionality of MATLAB. A future update for R2022b and R2023a will remove this warning. Using previous updates of R2022b will not display this warning."
  6 Comments
Russell Sun
Russell Sun on 1 Jun 2023
R2023a_Update2 ... still the same problem.

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More Answers (3)

Jestzer
Jestzer on 10 Mar 2023
Edited: Jestzer on 19 Apr 2023
This seems to be an issue for R2022b Update 5 and R2023a on any Linux distro. My installs on Ubuntu, Debian, CentOS, and Arch have all done the same thing after going to Update 5. I have not found a workaround yet and will update this post when I do.
EDIT: The only reasonable workaround I've found is launching MATLAB with matlab -r clc

Rik
Rik on 9 Mar 2023
Isn't X the window management system? That would suggest this is not necessarily related to Matlab itself.
This thread is for Ubuntu, but you can give the commands a try anyway.
Or you could try 1 Google result below, which is a decade old, but is specific to Mint.
  4 Comments
Bryan Paton
Bryan Paton on 10 Mar 2023
Brand new fresh install of both Ubuntu and Matlab R2022b Update 5 as of March 10 2023 and I get the exact same warning/error first time and every subsequent time I start Matlab. I even tried regenerating the locale profiles based on this: https://askubuntu.com/questions/99651/apt-get-warning-no-support-for-locale-en-us-utf8
with no change.
Bryan Paton
Bryan Paton on 10 Mar 2023
Sorry I should add my specific message (differnet locale to OP) is:
Warning: X does not support locale en_AU.UTF-8

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Jim Bosley
Jim Bosley on 26 Sep 2023
"This is a warning message that can be disregarded and it has no impact on the functionality of MATLAB. A future update for R2022b and R2023a will remove this warning. Using previous updates of R2022b will not display this warning."
The fact that the warning did not appear in previous versions of Matlab, and does now, and that a fix has been promised, but has not been provided, does not bolster confidence in Matlab. It's like a little tag line that says "Hey! We're Matlab! We don't take details seriously!".
And I know that MW DOES take their product seriously. Suggest that this be addressed. A reminder of a bug every time one opens Matlab is not a good look!
  1 Comment
Jestzer
Jestzer on 26 Sep 2023
It’s already been fixed in the latest updates for R2022b and R2023a.

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