Frequent lag caused by media player

[A Former User]

A Former User last edited by

I am using Opera Developer (Version:76.0.3981.0). Lately, I have been getting frequent, intermittent lag, causing the mac beachball cursor. Sometimes the browser freezes for up to 6 seconds at a time. After disabling the sidebar media player in opera://flags/ , I haven't had any of these issues.

Opera Developer: 76.0.3981.0

OS: macOS Catalina 10.15.7
Processor: 2.3 GHz 8-Core Intel Core i9
Memory: 16 GB 2667 MHz DDR4
GPU: AMD Radeon Pro 5500M 4 GB