Slow Mac after upgrading to Sonoma 14.0 OS

What you're alluding to; driver performance degradation between kernels, is highly probably where say Fusion Drive drivers IO integration, AMD video card acceleration is degraded from Darwin 20.x (Ventura) > 21.x (Sonoma) may be occurring.

I noted the faults myself, however they may be "white noise". They're indicative however of poor code practice, which this whole debacle smells of IMO.

I noticed someone's system report mentioned Sound Siphon. You may want to run their uninstaller

It worked on my brother's Mac that was exhibiting the same sound and freezing issues.

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Same remarks. After a few weeks of frustration, I switched back to Ventura. Very satisfied since then

I’ve got 32gb; not even tapping it and have slow performance, poor battery on Sonoma. Downgrading to Ventura resolved.

Since updating to Sonoma I am constantly having programs freezing, Excel, Mail etc... my Mac not old either & fans blowing up a storm.... clearly it's a program issue but how to we navigate around it without me wanting to smash my computer to pieces every time it freezes & I loose documents/files because I have to Force Quit applications even though they are not listed as 'not responding'... so frustrating

I have the exact same problem that did not exist until I upgraded to Sonoma, 14.0. Speed, latency, the same as yours. My expectation is that it is the software. I think we have the same computer, and my performance had zero issues pre-Sonoma.

There’s definitely a serious issue with Sonoma. I have a tricked out MacPro (56 GB Ram + 8 TB SSD) but when I just went from Ventura to Sonoma 14.1.1 two days ago, my $18,000 system has become unusable. Your comparisons between the 2 Macs confirms that. I did find the having only one monitor calms down the extreme mouse stuttering, but not much else helps. Using After Effects and Premiere Pro is a nightmare.

There’s something deeply wrong with Sonoma, up to & including 14.1.1 (I guess you must be using a prerelease of 14.2, which apparently also doesn’t work).

You most probably had all those problems, just because you were using those 3rd party modifier apps from the beginning. 😏

The best advice would have been is to uninstall all those 3rd party modifier apps, and let macOS take care of itself and to update to the newer macOS.

After contacting MS first line and escalation support the conclusion was to contact Apple and that Sonoma was known to have problems with Office365;

After contacting Apple First line, Escalation and Engineering support Apple referred me back to MS and advised me to copy the error report that is normally sent to Apple and send that to MS and contact them;

After contacting MS again they took receipt of the error report and would send it to their engineering teams.

So the merry-go-round continues with fingers crossed that MS will do something with it or Apple as they received multiple auto-generated reports from my system already.

Unless I read it incorrectly, it appears you had an external flash drive plugged in that's formatted FAT32?

Have you tried ejecting that drive, then rebooting to see if there's any startup time difference?

sonoma has turned me very awesome lightning fast machine into a lagging .. annoying brick.. smh

!!!!!!!!

i have been running macpaw.. to clean up .. it seems to have helped somewhat.

i am about to downgrade back to ventura.. sonoma.. is a SO NO NO

In the night, my computer updated with might, 🌙🌌👩🏻‍💻

But then it lagged, causing quite a fright. 😱🐢📉

"Should I reboot or simply shut down?" 🔄🤔

In the tech world's sea, I feel like I'll drown. 🌊💾

Skipped safe mode for a quick, easy fix, 🔐💨

Now it's slow as molasses, full of tricks. 🍯🎩

"Does yours do the same?" I wonder aloud,🗣️👀

Tech troubles shared, feeling part of a crowd. 🤝

In our world where updates dance and twirl,💻💫

l ask for your advice, give it a whirl! 🔄🚀

Let's laugh at these digital quirks and woes, 🤣🤣📲

In our journey through bytes and binary codes! 🌐

After completing the Sonoma update, I noticed my computer began to lag, despite the update process appearing smooth. I realized I hadn't tried rebooting or entering safe mode, as I initially opted for a simple power cycle or shutdown. I'm interested to see if you're encountering similar issues on your end and whether logging off and trying safe mode might resolve them. Hope it works in your end. Let me know if any of these approaches prove effective for you.

Has anyone checked the loginwindow process? Mine blows up to 11Gb. When I logout or restart it goes back down, then continues to grow during the day. Updated 2 different iMacs and both have the same issue.