Most major versions provide considerable enhancements over earlier major versions, often even breaking backward compatibility. Project Coin is aimed at providing a series of small language enhancments from eariler JDK releases into JDK 7. Joseph Darcy's post provides and introduction to Project Coin, as well as a feedback form to the mailing list that was recently started for the project. Read Josph's post 'Project Coin: Small Language Change Proposal Form Available': http://blogs.sun.com/darcy/entry/project_coin

Here is a poll, discussion page for Project Coin. http://www.java.net/pub/pq/247