Screen Reader on incident form is not announcing the information after checking and unchecking 'All' checkbox under 'Filter Activity' dropdown listDescriptionScreen Reader on incident form is not announcing the information after checking and unchecking 'All' checkbox under 'Filter Activity' dropdown list. This issue replicates throughout the application wherever the 'Filter Activity' dropdown list is present. Users who rely on screen readers are unable to get the correct information to use the page proficiently. MAS Reference:MAS 1.3.1 - Info and RelationshipsWCAG Reference:https://www.w3.org/WAI/WCAG21/Understanding/info-and-relationships.htmlSteps to Reproduce 1: Enable NVDA / JAWS.2: Navigate to an incident form.3: Navigate to 'Filter Activity' dropdown list under 'Notes and Comments' section and activate it.4: Once the 'Filter Activity' dropdown list expands, navigate to the 'All' checkbox and press the space key to check and uncheck it.The screen reader is not announcing the information after checking and unchecking the 'All' checkbox under the 'Filter Activity' dropdown list. Both NVDA and JAWS remain silent (the expected announcements would be "All activities are displayed" or "All activities are hidden").WorkaroundThis problem is under review. To receive notifications when more information becomes available, subscribe to this Known Error article by clicking the Subscribe button at the top right of this form. The user will need to remember that they are on the All checkbox when they apply the action. The confirmation will state "Checked" or "Unchecked". It will be up to user to know which checkbox they are currently on when they apply an action.Related Problem: PRB1450067