TL;DRGoogle has started rolling out Fitbit Air firmware version 253.2.The update only includes minor bug fixes, with no new features or user-facing changes mentioned in Google’s announcement.Google recommends installing the update during the day and keeping the Google Health app open throughout the process.Google has started rolling out a new software update for the Fitbit Air. However, this release is more about improving reliability than introducing new features.According to Google’s community announcement, firmware version 253.2 is now making its way to Fitbit Air devices over the next few days. The company says the update contains minor bug fixes, without going into specifics of what those fixes include.