+1 to upgrade. regarding the newly surfacing issues, I'd recommend we look at them and see which are critical problems and fix them.
One of the conclusions I got from the building is that there are a lot of javac and javadoc warnings that everyone ignores. Sitting down to fix them is time consuming and doesn't directly fix anything or add new features —but it keeps the code cleaner, which is something we want to encourage -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.