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One of the more modern design looks you see in most operating systems is the inclusion of rounded corners on open windows. It’s subtle, sure, but there’s just something a bit more polished about the entire OS when the corner edges of all the windows have a bit of radius to them.
It’s been available in ChromeOS for many months at this point, and I’ve talked about it here before. But a feature behind a flag vs. a feature that is available out of the box feels like two very distinctly different things. And this one has definitely been flag-bound for long enough that it feels well overdue.
It’s here in ChromeOS 133 Developer Mode
But this morning, as I swapped over to ChromeOS Developer Mode and version 133 of the OS, I found a little surprise. Upon looking around for new features, I almost missed this one at first. However, after a few minutes of navigating around the software, I realized one of my favorite – and still missing – visual updates is here in this version of ChromeOS.

Without changed settings or enabled flags, all the corners of open, non-snapped windows are nicely rounded and look fantastic. I know, I know, it’s a very small detail to fawn over; but I can’t help the fact that I love the way it modernizes the entire feel of ChromeOS with just one (seemingly-simple) change.
Does this mean we’ll see this show up tomorrow? Likely not, but with features like this that have been behind a flag for a long time, there’s always a chance they roll down the development chain a bit and arrive sooner than we expect. While rounded corners may not hit until ChromeOS 133 comes to the Stable Channel, there’s a chance that the M132 update scheduled for mid-January could introduce it as well. Fingers crossed!
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