Vansah follows your Atlassian account language settings. When you change your Jira language, Vansah displays in the same language.
Steps to change your Jira language
In Jira, select your avatar (top-right).
Select Account settings.
Select Account preferences.
Under Language, choose a language from the dropdown.
Refresh Jira.
What happens next
Jira updates to your selected language.
Vansah updates automatically to match.