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Firefox: Details/summary expanding and collapsing actions not voiced #8631
Steps to reproduce: Open this detail/summary test case in Firefox 61 with NVDA running. Expand and collapse by activating the summary control with keyboard.
Actual behavior: The expansion or collapse is not voiced on activation of summary, so the user cannot tell if the section has expanded.
Expected behavior: The expansion or collapse is voiced on activation of summary.
System configuration: Windows 10, Firefox 61.
NVDA Installed/portable/running from source: Installed
NVDA version: 2018.2.1
Windows version: Windows 10 Pro 1703
Name and version of other software in use when reproducing the issue: Firefox 61.0.2
Other information about your system:
Does the issue still occur after restarting your PC? Yes
Have you tried any other versions of NVDA? No
This is still occurring in NVDA 2018.4 with Firefox 64 on Windows 10.
Compare how NVDA behaves when aria-expanded value on a button toggles from 'false' to 'true' and back again.
This would be a useful enhancement in how NVDA functions - facilitating the use of a native way of implementing accordions without relying on scripting and aria.