Steps to reproduce:

1. Open Visual Studio 2019
2. Open a C# project
3. Enable reporting of Tooltips
4. Trigger an IntelliSense autocomplete suggestion by typing something.
5. Arrow through the suggestions

Actual behavior:

The selected item is announced, followed by twice the tooltip.

Expected behavior:

The selected item is announced, followed by once the tooltip.

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

alpha-20957

Windows version:

Windows 10 2004

Name and version of other software in use when reproducing the issue:

Visual Studio 2019 16.7.3 Enterprise

Other questions

Does the issue still occur after restarting your computer?

Yes

Have you tried any other versions of NVDA? If so, please report their behaviors.

No

If addons are disabled, is your problem still occuring?

Yes

Did you try to run the COM registry fixing tool in NVDA menu / tools?

Yes