I have tested this double arrow issue on multiple browsers like chrome, Firef...

Contribution Date
Technology
Drupal
Contribution Project
Drupal core
Contribution Details

I have tested this double arrow issue on multiple browsers like chrome, Firefox, Microsoft edge and it works fine.
Status: Done
For sake reference, Please find the attachments.

Thanks

Contribution Author
Jaspreet Singh
Contribution Issue Link
Current element values missing from vertical tabs when shown in 2-column layout
Contribution Link
https://www.drupal.org/node/1936708#comment-10440081
Files count
0
Patches count
0