ColorOS 11

OnePlus 9 series to come with ColorOS 11 in China, replacing HydrogenOS
The HydrogenOS for past models will continue to be updated, and a test version of the ColorOS for the OnePlus 8 in China began available on the OnePlus forum on Monday.
OPPO announces ColorOS 11 in China, brings more personalized settings and privacy upgrades
OPPO today announced ColorOS 11 at its developer conference, which supports features such as an infinite holographic display and an anti-logging engine.
OPPO releases ColorOS 11 for international users, becomes first phone maker to update to Android 11
OPPO today released CorlorOS 11 for international users, becoming the first phone maker to adapt to Android 11 since Google released the latest update on September 11.