option + [ / option + ] on JupyterLab doesn't work

[rickypiz]

Good Morning,
I tried to type right and left square brackets on JupyterLab but don't work.
I also restart kernel, retried on other web browsers, changed different language keyboards, upgrading Jupyterlab.. but none..

Would you have any suggestions ?

Thank you in advance

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[krassowski]

@rickypiz please see #15744 (comment)

[RRosio]

Hi @rickypiz, I will go ahead and close this issue as a duplicate mentioned above.