Which OS is the best one so far for MacBook Air M3?

Hi! I'm curious which is the best OS for MacBook Air M3 so far? I'm still on Sonoma 14.6.1 since I bought my Mac last year. I've read some suggestions that it's good not to turn on the automatic updates. The reason for this is I was really frustrated with M3 battery draining very quickly with this Sonoma. It's brand new but the battery drains quickly and does not long as it was advertised. I just got used to it until now. So when the earliest Sequoia was released, I went here to check other users' experience with it. I've also read a lot of feedbacks how it also drained their batteries plus some other issues.


So now, I want to know. Is it worth the upgrade to the latest macOS Sequoia 15.5? Anyone who encountered issues with it so far? Or maybe pleased with this newest update?


Thanks in advance for the response!

MacBook Air 13″, macOS 14.6

Posted on Jun 5, 2025 11:01 PM

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Posted on Jun 6, 2025 1:02 AM

I agree with kaz-k.


I always recommend upgrading to the latest OS available as well as keeping automatic updates enabled.


Usually the first step in troubleshooting an issue is making sure the OS and software is updated to the latest available.


While I do not have a MacBook Air M3, my family members report no issues or battery runtime issues with a MacBook Air M1 and MacBook Air M2 running Sequoia 15.5, they also had no issues on earlier versions of Sequoia.


I owned a MacBook Air M2 a few months before Sequoia launched, I updated to Sequoia as soon as it was available and kept it updated until I sold the MacBook a few months ago.

I did not experience any issues or loss of battery runtime during that period.

I personally did not have any background applications or third party extensions etc installed.

I mostly just stuck to the included applications such as Safari, Music, Mail, Photos etc, only exception was Microsoft Office and the odd basic game from the Apple App Store.


If you are having battery runtime issues it might be worth checking what software is running and if any is showing abnormal energy usage or running when it shouldn't.

You could always reach out to Apple Support and ask their advice, check the battery health, or run a diagnostic test.


Batteries - Maximizing Performance - Apple

View energy consumption in Activity Monitor on Mac - Apple Support

Check the condition of your Mac laptop’s battery - Apple Support

Use Apple Diagnostics to test your Mac - Apple Support

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Which OS is the best one so far for MacBook Air M3?

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