Lightroom Classic performance is now terrible on Version 10

New Here ,
Nov 06, 2020 Nov 06, 2020

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Lightroom Classic performance is now terrible on Version 10
The performance is very bad now and I never had issues before, my performance was really good before this...
The GPU acceleration actually makes it worse,,,
I cannot go to the previous version because the catalg was also upgraded. 
If I restart LRc the performance is mildly better but quicly degragdes, 
I cannot work like this sadly.  . . . . 
 
(iMac 2017 , i5, 16G RAM w/ Radeon Pro 580 8 GB)

  Model Name: iMac

  Model Identifier: iMac18,3

  Processor Name: Quad-Core Intel Core i5

  Processor Speed: 3.8 GHz

  Number of Processors: 1

  Total Number of Cores: 4

  L2 Cache (per Core): 256 KB

  L3 Cache: 6 MB

  Memory: 16 GB

  Boot ROM Version: 428.0.0.0.0

  SMC Version (system): 2.41f2

Radeon Pro 580:

 

  Chipset Model: Radeon Pro 580

  Type: GPU

  Bus: PCIe

  PCIe Lane Width: x16

  VRAM (Total): 8 GB

  Vendor: AMD (0x1002)

  Device ID: 0x67df

  Revision ID: 0x00c0

  ROM Revision: 113-D000AA-931

  VBIOS Version: 113-D0001A1X-025

  EFI Driver Version: 01.00.931

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Adobe Community Professional ,
Nov 06, 2020 Nov 06, 2020

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Just in case you need to go back to version 9.x, the old catalog is still there. The 10.0 update migrated your old data into a new catalog leaving the old catalog untouched.

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New Here ,
Nov 06, 2020 Nov 06, 2020

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Ty, I may need to downgrade . Kinda sad since i LOVE the new features (zoom) My comuter is not slow so no clue why this is an issue w/ v10 😞 

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