Windows 1.11

Windows 11 (Codename Fusion) would be the next version of Windows after Windows 10. It would be released on June 5, 2021.

Build 19861
First build ever. Released in September 27, 2020.

Build 19888
Released in October 12, 2020.
 * Redesigned WordPad.
 * Kernel changed from NT 10.0 to NT 11.0
 * Redesigned OOBE

Build 19901
Leaked in February 13, 2022 by Chinese hackers.

Build 19918 - January Insider Preview
Released in January 3, 2021. This build has some changes:
 * Redesigned Notepad, Remote Desktop Connection, Device Manager and Paint
 * Introduces some new apps, such as Solitaire Anniversary Editon
 * New theme and new icons.
 * New classic theme based on Windows 8.1
 * The Start menu has been redesigned
 * Windows Media Player removed

Build 19925
Released in February 3, 2021. With hidden login screen which can be enabled using Registry Editor.
 * Fixed scaling issue on the start menu
 * Includes a hidden new logon screen that can be activated via the registry

Build 20000 - March Insider Preview
Released in March 11, 2021
 * Blur introduced on the Logon screen
 * Users can now use Google Account or Apple ID to Log on
 * Ribbon interface in explorer can be disabled
 * Battery life improved
 * New Fluent Design Task Manager
 * Includes 4 new sets of wallpapers
 * Groove Music rebranded to Microsoft Music
 * Partial Aero reintroduced on window borders

Build 20055
Released in March 31, 2021
 * BSOD background color changes according to your theme color
 * Boot Screen redesigned
 * New sounds

Build 20088 - April Insider Preview
Released in April 2, 2021.
 * Notepad and Remote Desktop Connection now have Fluent Design.
 * New Volume control
 * Fluent Design introduced on Virtual keyboard
 * Logon screen improved (which is hidden in build 19925-20028)
 * Fluent Design WordPad, Snipping Tool and Sticky Notes

Build 20091 - April Insider Preview Update 1
Released in April 18, 2021.
 * Fluent Design File Explorer
 * Cortana can now be disabled
 * Users can set a picture as the Start Menu background like in Windows 8.1's Start Screen
 * Users can set a video as the desktop background
 * Microsoft Minesweeper now comes preinstalled with Windows
 * Improvements do Microsoft Edge

Build 20158
Released in April 30, 2021.

Build 20161 - May Insider Preview
Released in May 9, 2021.
 * Final set of wallpapers
 * The lock screen was redesigned
 * Added Support for third-party themes
 * Live tiles can be completly disabled
 * Fluent Design Disk Cleanup and Magnifier
 * Windows Speech Recoginition removed
 * Minor UI tweaks
 * System Restore redesigned

Build 20175
Released in May 17, 2021. Pre-RTM build.
 * Minor bug fixes

Build 20222 - RTM

 * Desktop watermark removed.

Editions

 * Pro
 * Home
 * Starter
 * Education
 * Enterprise
 * Enterprise LTSB 2021

Trivia

 * Windows 11 can be upgraded from Windows 10 and Windows 8.1
 * System requirements are same from Windows 8/8.1 and Windows 10. But Windows 11 is not designed for old computers. However some old computers can run Windows 11 well.