Here is a detailed list of all changes that have been made. TYPOlight draws a distinction between major releases (e.g. fom version 1.x to version 2.x), minor releases (e.g. from version 2.4 to version 2.5) and maintenance releases called "builds" (e.g. from version 2.4.6 to version 2.4.7).
Build 3 (2008-12-13)
Build 2 (2008-11-01)
Build 1 (2008-09-20)
Build 0 (2008-08-12)
Beta 2 (2008-07-17)
Beta (2008-07-10)
Build 9 (2008-06-06)
Build 8 (2008-05-07)
Build 7 (2008-04-01)
Build 6 (2008-03-30)
Build 5 (2008-02-28)
Build 4 (2008-02-28)
Build 3 (2008-01-28)
Build 2 (2008-01-11)
Build 1 (2008-01-07)
Build 0 (2007-12-12)
Beta RC2 (2007-12-02)
Beta RC1 (2007-11-24)
Build 7 (2007-10-11)
Build 6 (2007-09-03)
Build 5 (2007-08-02)
Build 4 (2007-07-17)
Build 3 (2007-06-25)
Build 2 (2007-06-16)
Build 1 (2007-06-10)
Build 0 (2007-06-07)
Beta RC1 (2007-06-01)
Build 4 (2007-05-11)
Build 3 (2007-05-04)
Build 2 (2007-05-04)
Build 1 (2007-04-28)
Build 0 (2007-04-25)
Build 12 (2007-04-10)
Build 11 (2007-04-10)
Build 10 (2007-04-03)
Build 9 (2007-03-30)
Build 8 (2007-03-29)
Build 7 (2007-03-28)
Build 6 (2007-03-22)
Build 5 (2007-03-19)
Build 4 (2007-03-16)
Build 3 (2007-03-06)
Build 2 (2007-03-06)
Build 1 (2007-03-05)
Build 0 (2007-02-28)
Build 22 (2007-01-29)
Build 21 (2007-01-24)
Build 20 (2007-01-18)
Build 19 (2007-01-17)
Build 18 (2007-01-15)
Build 17 (2007-01-13)
Build 16 (2006-12-31)
Build 15 (2006-12-23)
Build 14 (2006-12-22)
Build 13 (2006-12-21)
Build 12 (2006-12-20)
Build 11 (2006-12-19)
Build 10 (2006-12-18)
Build 9 (2006-12-17)
Build 8 (2006-12-16)
Build 7 (2006-12-14)
Build 6 (2006-12-13)
Build 5 (2006-12-12)
Build 4 (2006-12-11)
Build 3 (2006-12-07)
Build 2 (2006-12-05)
Build 1 (2006-12-01)
Build 0 (2006-11-28)
Final release (2006-11-24)
Beta RC3 (2006-10-25)
Beta RC2 (2006-10-18)
Beta RC1 (2006-10-13)