Windows 10 Insider Preview Build 21370 is now available. It brings a lot of fixes and a few changes. It does not bring any major features. Insiders in the Dev Channel can now grab Windows 10 Insider Preview Build 21370. It's not packing any new major features, but it does include a lot of minor issues across the board and includes a handful of new changes. The Windows Insider Blog kicks off its 21370 build announcement post with an update on Bluetooth improvements, which include the following: Unified audio endpoint: No more clicking through multiple audio endpoints to make your Bluetooth headset's voice and mic work properly. We now only expose one audio endpoint in the UI and will switch to the correct one automatically for you for a seamless experience. Listening to Spotify and then have to hop onto a Teams call? You can also now directly control the volume of your headset.