| Version | Codename | Darwin version | Processor support | Application support | Kernel | Date announced | Release date | Most recent version |
|---|---|---|---|---|---|---|---|---|
| Rhapsody Developer Release | Grail1Z4 / Titan1U | 32-bit PowerPC | 32-bit PowerPC | 32-bit | January 7, 1997[154] | August 31, 1997 | DR2 (May 14, 1998) | |
| Mac OS X Server 1.0 | Hera | Unknown | March 16, 1999 | 1.2v3 (October 27, 2000) | ||||
| Mac OS X Developer Preview | Unknown | May 11, 1998[155] | March 16, 1999 | DP4 (April 5, 2000) | ||||
| Mac OS X Public Beta | Kodiak[156] | 1.2.1 | May 15, 2000[157] | September 13, 2000 | N/A | |||
| Mac OS X 10.0 | Cheetah | 1.3.1 | January 9, 2001[158] | March 24, 2001 | 10.0.4 (June 22, 2001) | |||
| Mac OS X 10.1 | Puma | 1.4.1 / 5 | July 18, 2001[159] | September 25, 2001 | 10.1.5 (June 6, 2002) | |||
| Mac OS X 10.2 | Jaguar | 6 | 32/64-bit PowerPC[Note 1] | May 6, 2002[160] | August 24, 2002 | 10.2.8 (October 3, 2003) | ||
| Mac OS X 10.3 | Panther | 7 | 32/64-bit PowerPC | June 23, 2003[161] | October 24, 2003 | 10.3.9 (April 15, 2005) | ||
| Mac OS X 10.4 | Tiger | 8 | 32/64-bit PowerPC and Intel | 32/64-bit[Note 2]PowerPC[Note 3] and Intel | May 4, 2004[162] | April 29, 2005 | 10.4.11 (November 14, 2007) | |
| Mac OS X 10.5 | Leopard | 9 | 32/64-bit PowerPC[Note 3]and Intel | June 26, 2006[163] | October 26, 2007 | 10.5.8 (August 5, 2009) | ||
| Mac OS X 10.6 | Snow Leopard | 10 | 32/64-bit Intel | 32/64-bit Intel 32-bit PowerPC[Note 3] |
32/64-bit[164] | June 9, 2008[165] | August 28, 2009 | 10.6.8 v1.1 (July 25, 2011) |
| Mac OS X 10.7 | Lion | 11 | 64-bit Intel | 32/64-bit Intel | October 20, 2010[166] | July 20, 2011 | 10.7.5 (September 19, 2012) | |
| OS X 10.8 | Mountain Lion | 12 | 64-bit[167] | February 16, 2012[168] | July 25, 2012[169] | 10.8.5 (12F45) (October 3, 2013) | ||
| OS X 10.9 | Mavericks | 13 | June 10, 2013[170] | October 22, 2013 | 10.9.5 (13F1112) (September 18, 2014)[171] | |||
| OS X 10.10 | Yosemite | 14 | June 2, 2014[172] | October 16, 2014 | 10.10.5 (14F27) (August 13, 2015) | |||
| OS X 10.11 | El Capitan | 15 | June 8, 2015[173] | September 30, 2015 | 10.11.6 (15G31) (July 18, 2016) | |||
| macOS 10.12 | Sierra | 16 | June 13, 2016[174] | September 20, 2016 | 10.12.6 (16G29) (July 19, 2017) | |||
| macOS 10.13 | High Sierra | 17 | June 5, 2017 | September 25, 2017 | 10.13.6 (17G65) (July 9, 2018) | |||
| macOS 10.14 | Mojave | 18 | June 4, 2018 | September 24, 2018 | 10.14.6 (18G84) (July 22, 2019) | |||
| macOS 10.15 | Catalina | Unknown | 64-bit Intel | June 3, 2019 | Fall 2019 | N/A |
