activesupport
on Ruby Gems
1.0.4
1.0.3
1.0.2
1.0.1
1.0.0
2.0.1
2.0.0
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.1
1.3.0
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.1.1
Releases around activerecord 1.5.0 on Ruby Gems
Maybe you can find something interesting in this list