Select two Xcode releases to compare their open-source components.
1600.0.21.4
1600.0.22.7
2.39.5
3.9.6
6.0
1.0.8
1021
2.6.1
1115.5.3
1115.6.2
8.7.1
0.8.20
3.4-rc1
2.9.13
1.1.35
1600.0.27.120
1600.0.28.4
6.0.20150808
3.43.2
1.2.12