1) You use client XA.
There are critical XA fixes including DERBY-898 which resolve
potential data integrity problems.
2) You have queries that might benefit from the dramatic performance
improvements of the DERBY-649/805 fixes.
3) You transfer large data values or use batch updates with Network Server.
There were several important DRDA fixes
4) You think you could benefit from any of the more than 76 issues
fixed since 10.1.2.1 or want to verify your application works fine with
what will be the 10.1.3 release. It is especially a good idea to try
out the release if you have particularly performance sensitive large or
complex queries.
This is your chance to provide input *before* 10.1.3 is released in June.
10.1.3 Release Notes:
http://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12310616&styleName=Html&projectId=10594&Create=Create
10.1.3 Release pages:
http://wiki.apache.org/db-derby/TenOneThreeRelease
Kathey