If you want to be part of this beta testing, follow this link: https://www.xda-developers.com/onepl...9-android-pie/
IMPORTANT : Use leaked builds at your own risk
(OP3 OnePlus3Oxygen_16_OTA_073_all_1903190037_c3d5b3a79 f9b4895.zip)
(OP3T OnePlus3TOxygen_28_OTA_073_all_1903190038_308835b6 760c41bd.zip)
Instructions (Read carefully)
* Flash through TWRP (by @dianlujitao) and do a Factory Reset before boot the device (source)
* Your device will became encrypted during boot (data partition may be corrupted on encrypted devices)
* magisk v18.1 is working
* Stock recovery will overlap TWRP unless you flash magisk before reboot.
None so far...
Thanks for initial testers: