This is a guest post by Vera Tkachenko, a software team lead at MacPaw.
For the first time, the Mac operating system comes with cleaning tools. The new Optimized Storage feature in macOS Sierra might not sound like much at first, but its very presence in the new Mac operating system undermines the long-held notion that OS X is self-cleaning and remains fast and glitch-free on its own.
Why did Apple add this functionality? Let’s check under the hood of the new macOS cleaning tools to find out what they do, why they do it — and how they might have done it better.