From this post, you could keep a track of all Vivo devices receiving the latest Funtouch OS 11 update based on Android 11. While the OEM seems to have captured a decent market in China and India, yet its software updates do take up quite a fair share of time.
Update as of October 10: OnePlus Zen Mode 2.0 which is available on Android 11 is already available for OnePlus devices running on Android 10 as well. OnePlus is now offering Zen Mode 2.0 for those interested in testing it via Google Play Store on non-OnePlus devices. You can tap
Update as of October 9: ColorOS official Twitter handle has posted a new video teasing ColorOS 11 UI First 2.0 feature that has a 15% faster performance compared to previous mechanism in place when launching apps. The new feature brings any app faster on-board. [Source] Update as of October 5:
Updated on October 2, 2020: With the arrival of Android 11, OEMs started shaping up their version of the Android 11 based custom UI. And coming in as a surprise, Vivo has now officially launched the FuntouchOS 11 custom UI, which will be based on Android 11 for the Indian devices.
Updated on October 15, 2020: The US users of the Galaxy S20 are also receiving the Android 11 One UI 3.0 beta update. Note that the public beta has been extended for the Galaxy S20 US unlocked users. The update notably brings RCS messaging through Jibe in the US. One UI