News on Mobile OS Releases, October 2020

iOS 14

Apple's iOS 14 update (released on September, 16) is poised to overtake iOS 13 as the most installed version of the mobile operating system.
Full content and details (external sources):  Apple Insider

Android11

• Google’s Android Security & Privacy team has launched the Android Partner Vulnerability Initiative (APVI) to manage security issues specific to Android OEMs. 
  Full content and details (external sources):  Android Developers

• The stable version of Android Studio 4.1 has been released on October ,12 with a set of features addressing common editing, debugging, and optimization use cases. 
  Full content and details (external sources): Android Developers

• In case you missed it: Android11 for Devs

Emui 11

• Recap of Emui11 features: new artistic Always-on Display (AOD), improved Multi-Window mode and Multi-Screen Collaboration, smoother animation based on the new “human factors-based” user experience (UX) design, new security standards and privacy features, AI Subtitles (currently exclusive to the Chinese market).
  Full content and details (external sources): Huawei Central

• Here's a list of all the eligible devices (external sources).
  

• Latest news on Emui11:
  - October 19, 2020: Android 11 based EMUI 11 launching very soon
  - October 16, 2020: EMUI 11 beta recruitment kicks off in East Asia
  - October 16, 2020: Magic UI 4 (EMUI 11) under development for Honor 20 series, V20 and Magic 2, beta starting very soon
  - October 15, 2020: EMUI 11 beta for Huawei P40 series and Mate 30 Pro expanding to France and Romania
  - October 13, 2020: EMUI 11 for Huawei Mate 20 Series in development, beta starting soon
  - October 13, 2020: EMUI 11 for Huawei P30 and P30 Pro under development, beta test starting very soon
  - October 11, 2020: First EMUI 11 beta rolling out for Huawei MatePad 10.8 with new features
  - October 10, 2020: EMUI 11 Public Beta: These 10 Huawei devices enters next beta testing phase
  - October 1, 2020: EMUI 11 First Beta rollout begins in Europe and Russia, brings new smart AOD and more

More:

The newest release for Xiaomi smartphones (MIUI 12) stable update rolling out to several Xiaomi, Redmi and POCO devices.
Full content and details (external sources): xda developers