safari version history 

Statements about this table:
the major version of safari 4 have a webkit version of 528.17
the safari 3 major version that be release on may , 2009 have a minor version of 3.2.3 and webkit version of 525.29.1
the safari 3 major version release on june 19 , 2008 have a minor version of 3.1.2 and webkit version of 525.21
webkit version 525.29.1 be find in window xp and vista
webkit version 525.21 be find in minor version 3.1.2
window xp and vista operate system have a webkit version 525.29.1
when minor version 3.1.2 be release the webkit version be 525.21
the o 's with a webklt version of 525.29.1. be not windows xp and vista
the major version be safari 4 with webkit version 525.21
safari 3 , release february 12 , 2009 , have minor version 3.2.3
safari 4 version 3.1.1 be release april 16 , 2008
when the minor version 3.1.2 be release , the webkit version be version be 525.21 and be include only security update
major version
minor version
webkit version
operating system
release date
features
safari 3
3.1.1
525.17
windows xp , vista
april 16 , 2008
improved stability and added security updates
safari 3
3.1.2
525.21
windows xp , vista
june 19 , 2008
improved stability and added security updates
safari 3
3.2.1
525.27.1
windows xp , vista
november 24 , 2008
stability improvements
safari 3
3.2.2
525.28.1
windows xp , vista
february 12 , 2009
security updates
major version
minor version
webkit version
operating system
release date
features
safari 3
3.2.3
525.29.1
windows xp , vista
may 12 , 2009
security updates
safari 4
4.0
528.17
windows xp , vista
may 12 , 2009
public beta latest security updates
safari 5
5.0.5
533.21.1
windows xp , vista , 7
april 14 , 2011
security update