Not to be confused with NGB TVOS, an operating system developed by the Chinese government for smart TVs. tvOS The tvOS user interface, with apps. Developer Apple Inc. Written in C, C++, Swift, and Objective-C OS family Unix-like BSD Working state Current Source model Closed source (with open source components) Released to manufacturing October 29, 2015 ; 2 years ago ( 2015-10-29 ) Latest release 11.4.1 [1] (15M73) [2] (July 9, 2018 ; 49 days ago ( 2018-07-09 ) ) [±] Latest preview 12.0 Developer beta 9 [3] (16J5360a) [4] (August 27, 2018 ; 0 days ago ( 2018-08-27 ) ) [±] Marketing target Television, casual gaming Available in Multilingual [ which? ] Update method Firmware-over-the-air Platforms Apple TV (4th generation and later) Kernel type Hybrid (XNU) License Commercial proprietary software Preceded by Apple TV Software 7 (based on iOS 8) – 3rd generation Apple TV only Official website developer.apple.com/tvos Support status Suppo...