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Material preview icons don't refresh
Confirmed, HighPublicBUG

Description

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.59

Blender Version
Broken: version: 2.83 (sub 10), branch: master, commit date: 2020-03-19 13:43, hash: rB42012493a8e1
Worked: 2.82a release

Short description of error
The material preview icons no longer automatically refresh when you make changes to material properties.

Event Timeline

William Reynish (billreynish) renamed this task from Material icon do not refreshes. Regression bug. to Material preview icons don't refresh.Fri, Mar 20, 8:45 PM
William Reynish (billreynish) changed the task status from Needs Triage to Confirmed.
William Reynish (billreynish) updated the task description. (Show Details)
William Reynish (billreynish) changed the subtype of this task from "Report" to "Bug".

I can confirm this - it appears to be a bug.

I want to start in fixing this bug but I don't know where to start looking in the source code.

Brecht Van Lommel (brecht) triaged this task as High priority.Sat, Mar 21, 12:28 PM

@Bassel Mostafa (basselmks), since it worked previously, the solution here would be to use git bisect to find the commit that caused the problem. That should reveal which part of the code the problem is in.

I made a simple patch for this issue, how can I get reviewed ?