P: Slow UI when using Mac and Custom Display Profile

Bill, is everything all right at home....?

And you don't find it curious that thousands of Lightroom users are not having your problems, most running on less than the latest gear. 

You need to chill out as you are not demonstrating anything but your ability to make a fool out of yourself. Why don't you chill out and read some of the threads whereby people have come up with real solutions to their problems. 

And if you want some assistance, provide some useful information such as your hardware and software configuration, whether you are using plug-ins and your specific issues. 

There are quite a few very knowledgeable folks on this forum who can probably help you out. That is, if you want some assistance and are not just looking for someplace to rant. 

Bill, is everything ok at home…?

Yes, Onyx is an excellent utility. I jumped through all the hoops listed and more - including reinstalling Mojave. Sadly it's the software at fault, not the hardware and not the OS.

I'm not going to get into a ya-boo equipment superiority contest with you.

If you are right, which I doubt, then Adobe should be even more ashamed of themselves. If access to Lightroom is to be limited to the very latest gear and GPUs then a large chunk of their customer base is going to evaporate. Most contributors here have excellent machines by any normal standard and it's not unreasonable to expect that faithful, subscription paying customers are extended decent support. This kind of laissez-faire attitude, displayed so often before does no one any favours except perhaps a few big heads who want a forum for chest beating.

Belinda,

MacBook Pro 16, 32 GB RAM, 2TB SSD, external Dell 4K 27" monitor. 

5 catalogs upgraded from V9.4 to V10. Mostly raw images but a few thousand JPEGs as well as a few tiff and DNGs. 

Absolutely no slowdowns and only able to reproduce the Clone bug which Adobe has accepted. 

Perhaps you need to replace your Etch-A-Sketch with a real computer. 

Don't waste your time (like I did). The problem is in the software not in your machine. The RX580 is a great card and fully compatible. Just revert to the previous LR version (you will need your old catalogue) and carry on until Adobe sees fit to fix this cock up.

Imagine, Lightroom - designed for photographers - won't work with custom monitor profiles. It's laughable.

Bill is spouting nonsense. I have a heavily upgraded MacPro 5,1 with PCIe SSD, 48GB RAM, SSD photo storage and Radeon RX Vega 56 GPU (8 GB with full boot screen EFI courtesy of MacVid Cards) and EIZO CG318-4K calibrated monitor. On LR 9 this set up is blazingly fast. On LR 10 it is a joke. If I use a standard factory profile the speed comes back but I no longer have an accurate monitor. I have reverted to LR9 for the time being. Photoshop 2021 also works blazingly fast with this card and set up. This is a bug ridden software issue and Adobe needs a kick where it hurts most - customers migrating to other, more reliable, software.

This thread is being merged into an authoritative thread for better tracking and response.

Lightroom desktop 10.0

Very slow since last update

Going through recent photos added to my IMAC and taken ages to go from one photo to another. That slow had to check that was in Library model rather than Development and was in Library model. Taking nearly 2 seconds to go from one photo to another and have 700 photos from last import to go through. Had to give up as so slow and tried again today and the same.