ID 464508 - A crash occurs when using the scale knob in a Transform node while Overscan is active in the Viewer

Problem summary
A crash occurs when using the scale knob in a Transform node while Overscan is active in the Viewer.

Customer reported version
nuke.n/a

Customer reported platform

Steps to reproduce

1) In Nuke, add a Checkerboard node.

2) Add a Transform node downstream of the Checkerboard.

3) Hover the mouse in the Viewer and press S on the keyboard to open the Properties bin.

4) Enable Overscan in the Viewer settings.

5) Open the Transform node Properties and adjust the scale knob slider rapidly.

Expected behavior
The Transform should occur without causing a crash in Nuke.

Actual behavior
Nuke crashes while using the scale knob in the Transform node with Overscan active in the Viewer.

Workaround
Transforming while Overscan is disabled in the Viewer does not cause a crash.

Reproduced by Support in:
Nuke 12.2v4 - Windows 10, CentOS 7

Nuke 12.2v3 - Windows 10

Nuke 12.2v2 - Windows 10

Nuke 12.2v1 - Windows 10, CentOS 7

Unable to reproduce bug in:
Nuke 12.1v5 - Windows 10, CentOS 7

Earliest version tested
Nuke 12.1v5 - This issue doesn't appear in this version and has regressed