A few fixes have been made between beta 1 and RC1 and you can see them here:
It is currently expected that RC2 will be the final release for Cayenne 3, unless something unexpected turns up. We've said it before, but now is really a good time for you to try Cayenne 3 in your project. If you want a team of motivated developers to quickly jump on any issues you find, you need to tell us as soon as possible so we can address it before the release.
An overview of the major changes in 3.0 is available:
We have a simple upgrade guide for users of previous releases:
Please give Cayenne 3 a spin. It will make your programming work 28% more enjoyable...
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