Android 5.0 Lollipop has been billed as one of the biggest and most important updates to Google’s mobile operating system but even that reputation has done little to help with one major issue: fragmentation.

Lollipop was first made available as an over-the-air update on November 12 yet after nearly two months in the wild, it hasn’t even made a blip on the radar according to Google’s latest official data.

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Google’s developer dashboard, which collected data about devices running the latest Google Play Store app during a 7-day period ending January 5, reveals that less than 0.1 percent of devices are running Android 5.0 Lollipop.

As you can see in the graphic above, Lollipop isn’t even listed. That’s because the list excludes any version of Android that is installed on less than 0.1 percent of devices.

Such fragmentation isn’t a huge surprise when you consider how few devices currently have access to the update. Outside of Google’s family of Nexus devices (Nexus 4, Nexus 5, Nexus 6, Nexus 7 and Nexus 10), Samsung’s Galaxy S5 is the only handset I’m aware of that has had the update released for it and only in a few select regions.

Android 4.4 KitKat, meanwhile, has seen its adoption rate increase substantially in recent months. As of early November, KitKat was installed on 30.2 percent of devices. That figure has since climbed to 39.1 percent.