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Pose mode very laggy
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Description

System Information
Operating system: Windows 10 Pro (10.0.18362 Build 18362)
Graphics card: Nvidia GeForce GRX 1080

Blender Version
Broken: 2.80.75
Worked: 2.79

In pose mode, the movement is very laggy/choppy.

Steps:

  • Open .blend file
  • Go into object mode
  • Choose the rig
  • Go to pose mode
  • Select a bone & try to move it

Details

Type
Bug

Event Timeline

Can confirm lagginess in Blender 2.80 release. Unable to check in 2.79 cause .blend is saved by Blender 2.80.
My setup is quite different: Kubuntu Linux 18.04, Radeon R9 290, AMD GPUPro 19.20 Driver.
Had rummaged through the scene and not found anything wrong, just mesh with 5K vertices and 2 iterations of Subdivision Surface. Blend file looks like imported from 2.79, but appending everything in clean 2.80 file didn't solved the issue.

The slowness is caused by the subdvision surface modifier.
This is a known issue and is being monitored on T58191
So there are already plans to resolve this issue.
Archiving.