<Table> macOS <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Screenshot of the macOS High Sierra desktop </Td> </Tr> <Tr> <Th> Developer </Th> <Td> Apple, Inc . </Td> </Tr> <Tr> <Th> Written in </Th> <Td> <Ul> <Li> </Li> <Li> C++ </Li> <Li> Objective - C </Li> <Li> Swift </Li> </Ul> </Td> </Tr> <Tr> <Th> OS family </Th> <Td> Macintosh, Unix </Td> </Tr> <Tr> <Th> Working state </Th> <Td> Current </Td> </Tr> <Tr> <Th> Source model </Th> <Td> Closed source (with open source components) </Td> </Tr> <Tr> <Th> Initial release </Th> <Td> March 24, 2001; 17 years ago (2001 - 03 - 24) </Td> </Tr> <Tr> <Th> Latest release </Th> <Td> 10.13. 6 (17G2208 / 15P6703) (July 24, 2018; 36 days ago (2018 - 07 - 24)) (±) </Td> </Tr> <Tr> <Th> Latest preview </Th> <Td> 10.14 Developer beta 9 (18A377a) (August 27, 2018; 2 days ago (2018 - 08 - 27)) (±) </Td> </Tr> <Tr> <Th> Marketing target </Th> <Td> Personal computing </Td> </Tr> <Tr> <Th> Available in </Th> <Td> 34 languages </Td> </Tr> <Tr> <Td_colspan="2"> List of languages As of macOS Sierra: Arabic, Catalan, Croatian, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Spanish (Latin America), Spanish (Spain), Swedish, Thai, Turkish, Ukrainian, Vietnamese </Td> </Tr> <Tr> <Th> Update method </Th> <Td> <Ul> <Li> System Preferences (10.14 +) </Li> <Li> Mac App Store (10.8 - 10.13) </Li> <Li> Software Update (10.0--10.7) </Li> </Ul> </Td> </Tr> <Tr> <Th> Platforms </Th> <Td> <Ul> <Li> x86 - 64 (10.4. 7--present) </Li> <Li> IA - 32 (10.4. 4--10.6. 8; discontinued) </Li> <Li> PowerPC (10.0--10.5. 8; discontinued) </Li> </Ul> </Td> </Tr> <Tr> <Th> Kernel type </Th> <Td> Hybrid (XNU) </Td> </Tr> <Tr> <Th> Default user interface </Th> <Td> Graphical (Aqua) </Td> </Tr> <Tr> <Th> License </Th> <Td> Commercial software, proprietary software </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Classic Mac OS </Td> </Tr> <Tr> <Th> Official website </Th> <Td> www.apple.com/macos </Td> </Tr> <Tr> <Th_colspan="2"> Support status </Th> </Tr> <Tr> <Td_colspan="2"> Supported </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Screenshot of the macOS High Sierra desktop </Td> </Tr>

What is the current os for macbook air