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I installed Brave but uninstalled it right away. It seems to add itself to the startup items and it will immediately re-add itself if you take it out the next time you launch it. I found that unacceptable.
 
I would suggest to do a fresh reinstall of your computer.
I did this and it was the best move I ever made. Beach balls and nonsense before that. I also made it a personal commitment not to install Rosetta or intel apps no matter what. Works for me but I understand not everyone can follow this depending on the apps they require for work etc.
 
I use MS Edge which is actually a very good chromium based browser, instead of Chrome. I use this for my Microsoft stuff, Sharepoint, PWA Teams etc. I am still on Safari for 99.9% of my browsing as its the fastest on the Mac.

An Adblocker would help also - I have switched to a network based Pihole so I do not need extensions taking up more cpu & ram on my MBP, but I understand not everyone has this ability or capability. Either way, not having to load Ad's is going to save a tun of resources and bandwidth.
 
I use MS Edge which is actually a very good chromium based browser, instead of Chrome. I use this for my Microsoft stuff, Sharepoint, PWA Teams etc. I am still on Safari for 99.9% of my browsing as its the fastest on the Mac.

An Adblocker would help also - I have switched to a network based Pihole so I do not need extensions taking up more cpu & ram on my MBP, but I understand not everyone has this ability or capability. Either way, not having to load Ad's is going to save a tun of resources and bandwidth.
I’m using Wipr across my iOS/Mac OS family of devices and happy with it! I also have pi-hole configured at home.
 
I had a similar issue previously, although not with a silicone mac. I reinstalled it a couple of times, and it did my head in, because the problem would return. My issue turned out to be a faulty update from Apple. They aren't common but they occur occasionally.
 
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Update: it wasn't all the Safari/Chrome tabs I had running.

I installed 12.5 last night and this baby has been humming along. Whatever it was (probably a memory leak of some sort), so far my Activity Monitor is running healthy with plenty of CPU and Memory headroom left. I have close to 100 tabs across Safari and Brave and neither are consuming any unusual amount of memory.
 
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What is M1 Pro Max? I can't continue to read without knowing exactly which machine you are talking about.
Got my ridiculous Apple naming conventions mixed up.

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Leopard?!?

Lol. 12.5
 
Look at your cache folder in user/Library.

Delete everything in there.

Look for any other temp folders consuming lots of space.

Look at the LaunchAgents and LaunchDaemons folders. Some apps launch stuff at start up for no good reason.

If a computer slows down this quickly, it’s third party software behaving clunky to blame.
 
Update: it wasn't all the Safari/Chrome tabs I had running.

I installed 12.5 last night and this baby has been humming along. Whatever it was (probably a memory leak of some sort), so far my Activity Monitor is running healthy with plenty of CPU and Memory headroom left. I have close to 100 tabs across Safari and Brave and neither are consuming any unusual amount of memory.
haha I was actually just gonna jump back in this thread today to say it's been happening again with Safari/Firefox, but I think some specific tabs had pushed it to the brink. I've been on 12.5 since it came out. I might try the above cache idea too though. Stoked that yours is working well again @ipedro!
 
To be honest, I've never understood the attraction of having dozens and dozens of tabs open in the web browser. With how easy it is to save bookmarks and even restore previously accessed pages, it just doesn't make sense to me. Sure, I can understand 5 to 10 open at a time...but anything above that seems kind of ridiculous to me.

I've seen a lot of people complain about their machine slowing down...and then when it's suggested that they simply stop opening 50 or 60 tabs or whatever, they get snorty about it. For some, there seems to be a total disconnect on just how much RAM a single tab can take up depending on the multimedia that is embedded, etc.
 
To be honest, I've never understood the attraction of having dozens and dozens of tabs open in the web browser. With how easy it is to save bookmarks and even restore previously accessed pages, it just doesn't make sense to me. Sure, I can understand 5 to 10 open at a time...but anything above that seems kind of ridiculous to me.

I've seen a lot of people complain about their machine slowing down...and then when it's suggested that they simply stop opening 50 or 60 tabs or whatever, they get snorty about it. For some, there seems to be a total disconnect on just how much RAM a single tab can take up depending on the multimedia that is embedded, etc.

I think it’d be nice if browsers could do a decent job of managing tab sprawl, but at the same time I fully admit it’s a bad habit and one I should try to overcome. I don’t really want or care for a ton of tabs, I just often find myself with a ton of them.
 
how come you guys dont like firefox? i got an old imac and been using firefox with 50+ tabs works perfect running big sur. it only creates problems when i open 3 or more twitch streamers tho but i suspect its just bezos doing stuff because any other 3rd party streaming site works fine with 5+ videos. also adblock is certainly a must
 
I think it’d be nice if browsers could do a decent job of managing tab sprawl, but at the same time I fully admit it’s a bad habit and one I should try to overcome. I don’t really want or care for a ton of tabs, I just often find myself with a ton of them.
Try Vivaldi. It has a feature called "tab stacks" where you can group tabs together. It has a huge ton of configuration options too and also allows easily tiling tabs side by side or in a grid etc if you want to see several at once.
 
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@arn do you have some insight and/or comment into this? What is MacRumors doing that it's using so many resources that one would see for heavy graphics processing or number crunching, when it's supposed to be primarily serving text and a few images?

Mining crypto on your machine. It is why crypto’s have crashed with all those M1 Max and M1 Ultra’s being used for mining by MacRumours.
 
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@arn do you have some insight and/or comment into this? What is MacRumors doing that it's using so many resources that one would see for heavy graphics processing or number crunching, when it's supposed to be primarily serving text and a few images?
Advertisements... Or at least that is my guess.
 
Update: it wasn't all the Safari/Chrome tabs I had running.

I installed 12.5 last night and this baby has been humming along. Whatever it was (probably a memory leak of some sort), so far my Activity Monitor is running healthy with plenty of CPU and Memory headroom left. I have close to 100 tabs across Safari and Brave and neither are consuming any unusual amount of memory.
The problem was never chrome, 12.4 had some nasty ram management bug, my M1 Air was suffering with vscode and chrome opened, now on 12.5 its flying no matter how many things are opened, night and day difference.

If you like to use many tabs in chrome (or any chromium based browser) I recommend the Workona Tab suspender extension, it "unloads" unused tabs after the specified time but will quickly restore when you click on the tab again, it will save you tons of ram. This extension requires a free account but its very stable and reliable, unlike similar others.
 
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