Microsoft is rolling out a new software update for Windows 10 Mobile devices such as Lumia 950, 950 XL and 550. Microsoft is calling this release "February cumulative update" that bumps the software version of the phones to 10586.107.
The latest update will first make its way through open market variant models and the rollout would continue over the next week. According to the release note, build 10586.107 brings improvements over system reliability and stability. It also improves Bluetooth performance for better connectivity with car and other accessories. Upon updating your phone, you should see Microsoft Edge improvements with PDF rendering and even a boost in battery usage with Iris Recognition for Windows Hello.
Microsoft has fixed an issue where some phone software updates and app downloads were stuck at 0% for an extended period of time. You will no more see the error for low storage when trying to download phone software updates. Other fixes are for the Outlook account settings for being out-of-date and a fix for the phone getting stuck on BitLocker Recovery screen after rest.
If you have not received any prompt for the update so far, you can manually fetch from Settings>> Update & security>> Phone update >> Check for updates.
Before making it available to the public, Microsoft first seeded a preview build of this version for Windows Insiders in Fast and Slow ring with a bunch of fixes. Alongside this, the company announced a new ring named Release Preview for both PC and mobile.