And my point in reporting this in this forum is exactly that, all that has changed on my iMac is the update of Big Sur. I've not added/removed/updated any application. BTW - All that I've changed on my iMac recently is updating Big Sur from 11.2 to 11.3. It is definitely working harder than Safari. It seemed to work fine but I could hear the fans winding up. I just tried to open a bunch of tabs in Chrome. I know this puts some burden on the browser and OS. How many tabs do you have open? I tend to have between 10-20 tabs open at any one time. But who knows, maybe it won't with the next update? This hub is still working as expected with the 11.3 update. Then, voila, one of the 11.2 updates from Apple and my USB hub worked, without any change to the 3rd party's H/W. I got no response from neither Apple nor anyone on this forum. Just look at the legion of issues reported on this forum with SMB that came about from an Apple update quite a while backĪnd to further illustrate changes to Mac OS with unintended (or not?) consequences I can point to the issue with 3rd party USB hubs that I reported over a year ago.

So, OK it isn't a Mac responsibility about the browsers, but I'm just pointing out that updating the OS has impacted some installed apps, which is never a good thing IMHO for any vendor's changes. And there is now a very noticeable change in the response in these browsers.

I know this puts some burden on the browser and OS.īTW - All that I've changed on my iMac recently is updating Big Sur from 11.2 to 11.3. Barney - Just curious, how many tabs do you have open? I tend to have between 10-20 tabs open at any one time.

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