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Support Article

Accessibility failure on the OOTB "Small screen Hamburger Menu"



When viewing the Pega portal on a smallscreen, Accessibility testing fails on the out-of-the-box 'Small screen Hamburger Menu'.

Error Messages

Not Applicable

Steps to Reproduce

  1. Log in to App or Dev Studio.
  2. Open a new Case Manager window.
  3. Resize to a tab or mobile View to view the 'Hamburger Menu'.
  4. Right click the mouse to and select 'Inspect' the UI Elements.
  5. Move the selection to 'Hamberburger menu' to view the 'Aria-Collapsed' attribute.

Root Cause

A defect in Pegasystems’ code or rules. 
The Role heading was missing the required aria-level. According to the ARIA Accessibility UI Standards testing, 'aria-collapsed' attribute must be changed to 'aria-expanded'.


Perform the following local-change:

Replace aria-collapsed (true/false) with a valid aria-expanded (true/false).

Use aria-expanded=false when the menu is closed and aria-expanded=true when the menu is open.

This feature is implemented in Pega Platform 8.3.3.

Published June 9, 2020 - Updated December 2, 2021

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