I have a few queries related to customizing the user interface in Appian, specifically for enhancing the end-user experience.
Thankyou in Advance!.
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In addition to what Mathieu Drouin wrote, following this customization route makes you leaving the joy of low-code and back into the troubles of having to develop and maintain your own code, and all the attached libraries.
Agreed.
And for what it's worth, I've never had to develop a custom UI component for any of my projects.