https://www.siliconvalley.com/2022/02/10/windows-11-is-a-modest-improvement/

In 2015, a Microsoft employee, according to Forbes, told a conference that “Windows 10 is the last version of Windows,” implying that the version of Windows would be frequently updated but the version

number wouldn’t change. He was partially wrong. Indeed Windows 10 has seen several updates, including some that are pretty significant.