Windows XP from 2001 introduced colorful non-glass 3D
Windows Vista from 2006 introduced Windows Aero and Windows 7 from 2009 further refined Windows Aero
Windows 8.x from 2012-2013 dropped the glass transparency for translucency
iOS 6 from 2012 was the last version that used skeuomorphism
iOS 7 from 2013 introduced flat design while OS X Mavericks from 2013 is still using skeuomorphism
OS X Yosemite from 2014 adopted the flat design then OS X El Capitan from 2015 fully embraced the flat design
In 2025, Apple introduced Liquid Glass to all of its operating systems [iOS, iPadOS, macOS, tvOS, watchOS] as inspired by visionOS