People with disabilities cannot use mattermost for chat if they need to work in french.
Language defined for the UI : if you modify the language parameter in the user profile, the change is taken into account in the translation but the “lang” attribute in the HTML tag is not dynamic
=> the speech synthesis tools cannot be used.
Steps to reproduce
This attribute allows you to specify the language to the speech synthesis tools.
What did you see happen? Please include relevant error messages and/or screenshots.