UI Customization Add New language which is not in the list of supported language

UI Customization: Add New language which is not in the list of supported language

I want to change IIQ UI language to regional language but it is not supported by IIQ.

is there any way to change IIQ UI language?

Yes you have to create your custom messaging file for it simialr to other which are available and add the langauge web config.

Refer to this article: https://community.sailpoint.com/t5/Technical-White-Papers/Enterprise-Localization-of-IdentityIQ/ta-p/77659