Source : Wikipedia
Google released the first beta of Android 10 under the preliminary name “Android Q” on March 13, 2019, exclusively on their Pixel phones, including the first-generation Pixel and Pixel XL devices where support was extended due to popular demand. Having been guaranteed updates only up to October 2018, the first-generation Pixel and Pixel XL devices received version updates to Android 10. The Pixel 2 and Pixel 2 XL were included, after being granted an extended warranty period which guaranteed Android version updates for them for at least 3 years from when they were first available on the Google Store. A total of six beta or release-candidate versions were released before the final release.
The beta program was expanded with the release of Beta 3 on May 7, 2019, being made available on 14 partner devices from 11 OEMs; twice as many devices compared to Android Pie’s beta. Beta access was removed from the Huawei Mate 20 Pro on May 21, 2019 due to U.S. government sanctions,[9] but was later restored on May 31.
Google released Beta 4 on June 5, 2019 with the finalized Android “Q” APIs and SDK (API Level 29). Dynamic System Updates (DSU) were also included in Beta 4. The Dynamic System Update allows Android “Q” devices to temporarily install a Generic System Image (GSI) to try a newer version of Android on top of their current Android version. Once users decide to end testing the chosen GSI image, they can simply reboot their device and boot back into their normal device’s Android version.
Google released Beta 5 on July 10, 2019 with the final API 29 SDK as well as the latest optimizations and bug fixes. Google released Beta 6, the final release candidate for testing, on August 7, 2019.
On August 22, 2019, it was announced that Android “Q” would be branded solely as “Android 10”, with no codename. Google ended the practice of giving major releases titles based on desserts, arguing that this was not “inclusive” to international users (due either to the aforementioned foods not being internationally known, or being difficult to pronounce in some languages). Android VP of engineering Dave Burke did reveal during a podcast that, in addition, most desserts beginning with “Q” were “exotic”, and that he personally would have chosen “queen cake“. He also noted that there were references to “qt”—an abbreviation of “quince tart”, within internal files and build systems relating to the release.[16][17][18][19][20] The statue for the release is likewise the numeral 10, with the Android robot logo (which, as part of an accompanying rebranding, has also been changed to only consist of a head) resting inside the numeral “0”.
Android 10 was officially released on September 3, 2019 for supported Google Pixel devices, as well as the third-party Essential Phone and Redmi K20 Pro in selected markets.The OnePlus 7T was the first device with Android 10 pre-installed.[24] In October 2019, it was reported that Google’s certification requirements for Google Mobile Services will only allow Android 10-based builds to be approved after January 31, 2020.
As of March 2020, 12.33% of Android devices run Android 10, making it the second most popular Android version (as of middle of March), just a few months after its release
A Web Adventure - Saravanesh J 