Mac OS X Lion

Mac OS X Lion
Version of Mac OS X
Mac-OS-X-Lion-11A511-Desktop.png
Version10.7
CodenameBarolo
Preliminary name
Architecturei386 (beta only), x86_64
Latest build11G63
Release date2011-07-20
Support end2014-10-16
Replaces
Mac OS X Snow Leopard (10.6)
Replaced by
OS X Mountain Lion (10.8)

Mac OS X Lion (10.7) is a version of the Mac OS X operating system released by Apple on 20 July 2011. This version dropped support for the x86 userland and architecture and removed Rosetta and Front Row. It introduced the Launchpad and was originally only released as an App Store update that could only be updated normally from Snow Leopard.

Builds[edit | edit source]

Beta[edit | edit source]

Leaked build 11A390 (Developer Preview 1)
Leaked build 11A419 (Developer Preview 2)
Leaked build 11A430e (Developer Preview 2 Update)
Leaked build 11A444d (Developer Preview 2 Update 2)
Leaked build 11A459e (Developer Preview 3)
Leaked build 11A480b (Developer Preview 4)
Leaked build 11A494a (Developer Preview 4 Update)
Leaked build 11A511a (Developer Preview 5)

RTM[edit | edit source]

Leaked build 11A511 (GM Candidate / Retail)

Updates[edit | edit source]

Leaked build 11A511s (10.7 USB Thumb Drive)
Leaked build 11A2061 (10.7 Mac mini mid-2011)
Leaked build 11A2063 (10.7 MacBook Air mid-2011)
Leaked build 11B26 (10.7.1)
Leaked build 11B2118 (10.7.1 Mac mini mid-2011 and MacBook Air mid-2011)
Leaked build 11C74 (10.7.2)
Leaked build 11D50 (10.7.3)
Leaked build 11E53 (10.7.4)
Leaked build 11G56 (10.7.5)
Leaked build 11G63 (10.7.5 Update)
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