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Area light resize gizmo (amongst other gizmos) missing undo step?
Open, Confirmed, MediumPublic


System Information
Operating system: Arch Linux
Graphics card: GTX Titan

Blender Version
Broken: 2.81.3 (232049dd9408)

Short description of error

Seems an area light resize in the 3D view is not registered with the undo system.

Exact steps for others to reproduce the error

  1. Add an area light to the scene
  2. Grab and move somewhere else
  3. Change size with widget
  4. Ctrl-Z
  5. The light is now back at the origin with the default size

Note that when changing the size using the properties panel an undo *will* work correctly, i.e. only change back the size.



Event Timeline

Philipp Oeser (lichtwerk) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.Aug 26 2019, 11:06 AM

This seems true for a couple of Gizmos [not adding an undo step -- or at least not working correctly / as expected]

These are the ones I quickly checked:

  • Camera Focal Length
  • Area Light size
  • Wind Force Field Strength
  • Reference Image size

@Campbell Barton (campbellbarton) : is this by design?
(will confirm for now though, looks like a bug to me...)

Philipp Oeser (lichtwerk) renamed this task from Area light resize in 3D viewport leads to strange undo actions to Area light resize gizmo (amongst other gizmos) missing undo step?.Aug 26 2019, 11:07 AM