2012 mac air battery7/2/2023 What are your thoughts? Which OS has the best performance and battery life for this MacBook? I know downgrading to Mavericks would have security and compatibility risk, as it's no longer supported by apple and a lot of software developers, but since I only use it to browse and do office works, I'm fine with taking that risk if it's faster with longer battery life. However, it was written back before APFS was available. According to this post Mavericks is the last OS which was able to run smoothly on this machine. However, I'm still facing the same performance and battery issues. I eventually downgraded to High Sierra, thinking Mojave might be to heavy for this MacBook. I found it to be slow and constantly out of RAM, with around 3 hour battery life. It started out with High Sierra when I first got it and I upgraded it to Mojave right away. I've got a 2012 MacBook for my office work.
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