Update 4 (5/27/2020 @ 03:05 PM EST): OnePlus has pushed the Open Beta 4 builds for the OnePlus 7 Pro, thus all of the builds are now back online.
Update 3 (5/27/2020 @ 1:40 PM EST): The OnePlus 7, 7T (India), and 7T Pro (India) builds for OxygenOS Open Beta 14 are now back online.
Update 2 (05/21/2020 @ 1:20 PM EST): The OnePlus 7T series builds are back online, but the OnePlus 7 series builds are still unavailable.
Update 1 (05/20/2020 @ 05:45 AM EST): Shortly after the publishing of this article, OnePlus appears to have pulled back all the builds. Scroll to the bottom for more information.
OnePlus rolled out OxygenOS Open Beta 13 for the OnePlus 7 series and Open Beta 3 for the OnePlus 7T series earlier this month, with a couple of new features and the Android security patches for April 2020. Today, the company is releasing a new Open Beta update for these devices, with the OnePlus 7/7Pro being updated to OxygenOS Open Beta 14 and the OnePlus 7T/7T Pro to Open Beta 4.
The changelog for both Open Beta builds is exactly the same and it includes a couple of new ambient display clocks for the devices, along with the Android security patches for May 2020 and a few bug fixes.
Here’s the changelog for the latest Open Beta releases for the OnePlus 7 and OnePlus 7T series:
Fix the problem that some software voice input cannot be recognized
Fix the problem of the disappearance of some contacts in the address book on some devices
More clock style options now available in ambient display (Settings-Customization-Clock style)
Improved system stability and fixed general issues
Updated Android Security Patch level to 2020.05
Now you can view call recording in call history (Move to the call history, click the three-dot menu on the upper right to access the call recording)