A lot of changes which aren't recorded... Later migrations should have everything recorded.
Switch from CVS with ANT to Subversion with Maven 2:
If you have made local changes to the spring rich code, take a cvs diff > file.patch
in /src
and /sandbox
and patch it in /support/src/main/java
or /support/src/main/resources
and /sandbox/src/main/java
or /sandbox/src/main/resources