Steps to reproduce:

1. go on this page https://www.xda-developers.com/google-hangouts-shut-down-20120/
2. press m to jump to frame.
3. arrow down to list with 5 elements

Actual behavior:

virtual focus stuck.

Expected behavior:

virtual focus moves next

System configuration:

NVDA Installed/portable/running from source:

installed

NVDA version:

2018.4 beta 2

Windows version:

10 1803

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

chrome 71 and firefox 63

Other information about your system:

Other questions:

Does the issue still occur after restarting your PC?

yes

Have you tried any other versions of NVDA?

yes in 2018.3 it works fine