A combobox that uses a grouped datasource does not adhere to WCAG 1.3.1. When a user navigates the options in the combobox popup, the group relationship is established for sighted users but the group is not announced to disabled users.
Hello Matthew,
I am afraid that you are correct. The Grouping functionality of the ComboBox widget does not cover the WCAG requirements. Having that said, I have converted the current thread to a feature request in our Feedback portal. Here you will find the public item:
I would recommend you to cast your vote for it as this is how we measure the interest among the community for a given feature.
As a small token of gratitude for bringing the above case to our attention, I have updated your Telerik points.
Regards,
Veselin Tsvetanov
Progress Telerik