ID 505523 - Playhead indicators don't get updated after swapping A and B buffers

Problem summary
Playhead indicators don't get updated after swapping A and B buffers
 
Customer reported version
nuke.13.1v3
 
Customer reported platform
linux
 
Steps to reproduce
 
1) Open Nuke Studio

2) Import two clips and add them to two tracks on the timeline above each other

3) Select the bottom clip and press 1 to load it into A buffer
 
4) Select the top clip and press 2 to load it into B buffer
 
5) Select the Viewer and press Enter to swap buffers. The viewer will update, but the playhead indicators do not update.
 
Expected behaviour
For the playhead indicators to update when the buffers are swapped

 
Actual behaviour
The playhead indicators do not change, and are showing the wrong information:

 
Workaround
Click on the either clip, the playhead indicators update.
 
Reproduced by support
This bug has been reproduced in:
Nuke Studio 13.1v3 - Windows 10, CentOS 7, macOS 11
Nuke Studio 13.1v1 - Windows 10, CentOS 7, macOS 11
 
Earliest version tested
Nuke Studio 13.1v1 - This feature did not exist before this version