Actual:

Narrator is not announcing the state of Expanded/collapsed for "Create with Option" arrow button
Note: Similar issue is observed with NVDA also.

Expected:

Narrator should announce the state of Expanded/collapsed for "Create with Option" arrow button

GitHubTags: #A11yMAS;#A11yTCS;#BM_Visual Studio Code Web Extensions_Nov2023;#Visual Studio Code Web Extensions;#ChromiumEdge;#DesktopWeb;#A11ySev2;#Win11;#WCAG1.3.1;#Screen reader;#Narrator; #NVDA;#AIlimited

Environment Details
Application Name: Visual Studio Code Web Extensions
URL: https://insiders.vscode.dev/github/microsoft/vscode-pull-request-github
Operating System: Windows 11 Enterprise Insider Preview(23H2)
OS Build: 25997.1000
Edge version: 120.0.2210.7 (Official build) stable app, dev channel (64-bit)
Screen Reader: Narrator/NVDA
NVDA Version: 2022.4(2022.4.0.27401)

Repro Steps:

1.Turn on Narrator/NVDA
2.Hit the URL: https://insiders.vscode.dev/github/microsoft/vscode-pull-request-github and login with git hub account.
3.Tab to "More Options" button present in the left navigation panel.
4.Tab to GitHub Pull request and press enter.
5.Tab to Create Pull request and press enter
6.Tab to "Create with Option" arrow button.
7.Observe Narrator is not announcing the state of Expanded/collapsed for "Create with Option" arrow button

User Impact:

Screen reader only users will not get the information about the Create with Option arrow button

MAS Reference:

MAS 1.3.1 – Info and Relationships

“Check out Accessibility Insights! - Identify accessibility bugs before check-in and make bug fixing faster and easier.”

Attachment: