OS:
Windows

Environment:
Windows 11 x64

Reproducible: Always
Failed on Release/Build: JDK_18_b28
Is it a Regression in JDK 18u release : NO
[If Regression] Regression introduced in JDK 18u release/build:
Test result on the last GAed release for this train: FAILED on JDK_17_b29
Is it a platform-specific issue: Yes. This issue only happens on Windows.

Steps to reproduce:
Run test case
Tab until ComboBox icon has focus. Press 'Space' to choose.
Tab until the "ComboBox Demo" tab has focus. Press 'space'. Press 'tab'.
Use Tab and Shift-Tab to move between the four ComboBox widgets.
Use the space and down arrow keys to bring up the drop-down list.
Use the up and down arrows to navigate up and down the list.
Use the 'space' key to make a the selection.
Repeat 4,5 but hit Esc key to cancel the drop-down.
Listening Jaws.

Actual behavior:
When user used the 'space' key to make a the selection. Jaws read out: " Space, close". Jaws didn't read the selection content.
I have attached video: ComboBoxDemo_Win11.mp4
Expected behavior:
            Jaws can read out the selection content