Lightroom is very slow (eg. slow program menus) despite powerful computer, what can I try?

Question

The program feels very sluggish in general, for example when I press the triangles to expand sub-menus within Develop module (such as. Tone Curve, HSL, Color Grading, Detail etc) I have to wait several seconds just for the sub menu to expand. As a result, just doing a bunch of quick edits takes forever.

Lightroom was much faster years ago on much slower computers I've owned before.

The program recognizes my RTX 2070 super (with updated driver), but I don't feel much difference from disabling or enabling graphics processor.

I have good performance from other software/games. Any ideas what I can try? (I've done all the obvious things like updating to the latest version of Lightroom, gpu driver etc)

Processor: AMD Ryzen 5 3600 6-Core Processor, 3593 Mhz, 6 Core(s), 12 Logical Process

Graphics card NVIDIA GeForce RTX 2070 SUPER

Adrian20840075a4qh · Answer

It's noticably faster now. Not sure if it was some GPU/windows up update over christmas. Don't think resetting the preferences made much difference.

I can tell from the task manager that nothing else is using much CPU/GPU, and even doing the slow/laggy actions such as collapsing/expanding the sub menus hardly use any resources. Memory is high, 11/16 GB are in use (half of that from Lightroom), but this number is stable.

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