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Very slow Eevee performance. Not possible to work.
Open, Needs Triage by DeveloperPublic

Description

System Information
Operating system: Darwin-18.7.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 460 OpenGL Engine ATI Technologies Inc. 4.1 ATI-2.11.20

Blender Version
Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-10-01 19:51, hash: rB3b23685c7dc1
Worked: (optional)

Short description of error
[Please fill out a short description of the error here]

Exact steps for others to reproduce the error
This version has a very slow Eevee viewport performance. Even after turning off smooth shadows or AO or screen-space reflections. Not possible to work anymore. The same file works very fast on Blender 2.8 with all stuff on. Usually, I have scenes with around 1M poly and max 10 lights. I'm using Blender in low res mode on my Macbook Pro.
Unfortunately, I can't attach the file because of its company project.

Details

Type
Bug

Event Timeline

We are aware of many issues with MAC OS, but unfortunately we have no developers with this setup to investigate and reproduce the problem.
Changes are constantly being made to improve viewport peformanse, and it is quite possible that this regression will be resolved in the next builds.
@Clément Foucault (fclem), any idea why this is happening?

Can you try macOS Catalina? Blender 2.80.75 seems to work fine on my hardware on Catalina.