iMac Retina 5K, 27-inch, Late 2015 on OCL Sequoia 15.7.2

Specs:
Processor - 4 GHz Quad-Core Intel Core i7
RAM - 32 GB 1867 MHz DDR3

I have been using OCLP for some time now. I really enjoy and appreciate the value. However, since my recent upgrade to Sequoia (No, NOT Tahoe!), I have had issues with screen refresh - specifically streaming video, streaming animations, etc. are choppy. This was not the case on Sonoma. For example, there is an on-screen overlay animation, like mini confetti, on a CRM platform I use - typically takes 5 secs, and appears on top of the UI. Mine can take a full minute to complete. YouTube videos are typically OK. The "WindowServer" process in Activity Monitor seems to suck up some CPU. Occasionally I get WebGL notifications in Chrome, yet I use the latest version. So, something's up with the screen rendering. I do use a second connected display - not sure if this impacts it. Any ideas? Anyone else experience this? Need a video of it? Potential solutions?

submitted by /u/Academic-Village-758
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