JAWS does not announce combo box State checked/not checked

[RubyZ10]

Summary

Brief description of the issue. Please list any specific steps. JAWS does not announce fluent ui combo box checked or not checked state, it is impossible to differentiate if a option is checked or not.

1. Go to https://developer.microsoft.com/en-us/fluentui#/controls/web/combobox
2. In "Basic uncontrolled ComboBox" section, tab into "Basic multi-select ComboBox", tab through the options

Expected result

JAWS should announce Option A 1 of 10..., Option B 2 of 10 not checked...

Actual result

JAWS announced Option A 1 of 10..., Option B 2 of 10... It is impossible to know Option A is selected, Option B is not

Example

A test case that demonstrates the issue - provide linked test case, CodePen, JSbin, etc...

Additional Information

JAWS version and build number

Operating System and version

Browser and version:

[JAWS-test]

Tested with Chrome and JAWS 2022 and JAWS 2021. Can confirm the error. It does not occur with NVDA.

[JAWS-test]

The problem does not occur with Firefox + JAWS 2022. However, it does not seem to be a Chrome error, since Accessibility Insights shows that the status (IsSelected) is correctly transmitted.