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Lamp Power Not Updating from Driver
Closed, ResolvedPublicBUG


System Information
Operating system: Windows 10 Version 10.0.18363 Build 18363

Graphics card: NVidia GTX 1070

Broken Blender Versions:
2.82 (sub 7), branch: master, commit date: 2020-03-12 05:06, hash: 375c7dc4caf4, type: Release
Also found on Blender 2.83 Beta

Lamp power is not updated in the viewport when changed using drivers. This only happens when using cycles in the rendered preview viewport shading mode. Eevee works properly.

File instructions:
Switch to render preview shading mode and change the custom property on the default cube. The property is linked to the lamp power, but the render preview doesn't change until you switch out of and back into rendered viewport shading mode.

Event Timeline

Sebastian Parborg (zeddb) changed the task status from Needs Triage to Confirmed.Wed, May 20, 11:34 AM
Sebastian Parborg (zeddb) changed the subtype of this task from "Report" to "Bug".
Sybren A. Stüvel (sybren) renamed this task from Lamp Power Not Updating to Lamp Power Not Updating from Driver.Fri, May 22, 6:14 PM