$➔ cat ~/tmp/rc1-rc1a.p2diff.txt | sort | egrep -v "feature.group|source|otdt" | tee ~/tmp/rc1-rc1a.p2diff-filtered.txt

< Collaboration [0.0.0.8PAA7AcLUBm6A-MIcYsQcIYIcY] 
> Collaboration [0.0.0.8PAE2cLUBm6A-MIcbUNhHcLIY] 
< General Purpose Tools [0.0.0.968N7GcLR3M6_MaaFpx3E5pz0QX] 
> General Purpose Tools [0.0.0.968N7HcLR3M6_MaaFpx3E5pz0QX] 
http://download.eclipse.org/releases/maintenance/ contains 54 unique IUs
http://download.jboss.org/jbosstools/updates/requirements/mars/20160120-0945-2.RC1/ contains 52 unique IUs
< org.eclipse.egit [4.0.3.201509231615-r] 
> org.eclipse.egit [4.1.1.201511131810-r] 
< org.eclipse.egit.core [4.0.3.201509231615-r] 
> org.eclipse.egit.core [4.1.1.201511131810-r] 
< org.eclipse.egit.doc [4.0.3.201509231615-r] 
> org.eclipse.egit.doc [4.1.1.201511131810-r] 
< org.eclipse.egit.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.egit.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.egit.gitflow [4.0.3.201509231615-r] 
> org.eclipse.egit.gitflow [4.1.1.201511131810-r] 
< org.eclipse.egit.gitflow.feature.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.egit.gitflow.feature.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.egit.gitflow.ui [4.0.3.201509231615-r] 
> org.eclipse.egit.gitflow.ui [4.1.1.201511131810-r] 
< org.eclipse.egit.github.core [4.0.3.201509231615-r] 
> org.eclipse.egit.github.core [4.1.0.201509280440-r] 
< org.eclipse.egit.mylyn.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.egit.mylyn.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.egit.mylyn.ui [4.0.3.201509231615-r] 
> org.eclipse.egit.mylyn.ui [4.1.1.201511131810-r] 
< org.eclipse.egit.ui [4.0.3.201509231615-r] 
> org.eclipse.egit.ui [4.1.1.201511131810-r] 
< org.eclipse.epp.mpc.core [1.4.1.v20150909-1912] 
> org.eclipse.epp.mpc.core [1.4.2.v20160120-1701] 
< org.eclipse.epp.mpc.feature.jar [1.4.1.v20150916-1928] 
> org.eclipse.epp.mpc.feature.jar [1.4.2.v20160120-1701] 
< org.eclipse.epp.mpc.help.ui [1.4.1.v20150902-1927] 
> org.eclipse.epp.mpc.help.ui [1.4.2.v20160120-1701] 
< org.eclipse.epp.mpc.ui [1.4.1.v20150916-1928] 
> org.eclipse.epp.mpc.ui [1.4.2.v20160120-1701] 
> org.eclipse.jdt.core [3.11.1.v_OTDT_r242_201601171811] 
< org.eclipse.jgit [4.0.3.201509231615-r] 
> org.eclipse.jgit [4.1.1.201511131810-r] 
< org.eclipse.jgit.archive [4.0.3.201509231615-r] 
> org.eclipse.jgit.archive [4.1.1.201511131810-r] 
< org.eclipse.jgit.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.jgit.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.jgit.http.apache [4.0.3.201509231615-r] 
> org.eclipse.jgit.http.apache [4.1.1.201511131810-r] 
< org.eclipse.jgit.http.apache.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.jgit.http.apache.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.jgit.pgm [4.0.3.201509231615-r] 
> org.eclipse.jgit.pgm [4.1.1.201511131810-r] 
< org.eclipse.jgit.pgm.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.jgit.pgm.feature.jar [4.1.1.201511131810-r] 
< org.eclipse.jgit.ui [4.0.3.201509231615-r] 
> org.eclipse.jgit.ui [4.1.1.201511131810-r] 
< org.eclipse.mylyn.github.core [4.0.3.201509231615-r] 
> org.eclipse.mylyn.github.core [4.1.0.201509280440-r] 
< org.eclipse.mylyn.github.doc [4.0.3.201509231615-r] 
> org.eclipse.mylyn.github.doc [4.1.0.201509280440-r] 
< org.eclipse.mylyn.github.feature.feature.jar [4.0.3.201509231615-r] 
> org.eclipse.mylyn.github.feature.feature.jar [4.1.0.201509280440-r] 
< org.eclipse.mylyn.github.ui [4.0.3.201509231615-r] 
> org.eclipse.mylyn.github.ui [4.1.0.201509280440-r] 
=== Summary ===