The OnePlus 3 and OnePlus 3T now started receiving the OxygenOS 5.0.7 update, if you own these devices than you should get new software build that brings November Android security patch. An official forum post declared the OxygenOS 5.0.7 for the OnePlus 3 and OnePlus 3T enhances safety with the November Android security patch. The security patch arrived on Google Pixel and Nexus devices earlier this month with fixes around notifications, picture-in-picture mode, and some Pixel-specific issues.
The OxygenOS 5.0.7 update for the OnePlus 3 and OnePlus 3T brings support for the OnePlus Type-C Bullets Earphones. The headphones were launched ahead of the OnePlus 6T launch earlier this year. The OxygenO.S 5.0.7 for the OnePlus 3 and OnePlus 3T also includes general bug fixes and performance improvements.
You can check the availability of the OxygenOS 5.0.7 on your OnePlus 3 or OnePlus 3T by going to Settings > System updates.