Six weeks after the release of the first Release Candidate (-rc1) of Smack 4, the Ignite Realtime Community is proud to announce the release of the second and likely final Release Candidate.
Smack 4.0.0-rc2 contains many improvements and bug fixes. The API underwent some major changes and is considered stable. Now is the perfect time to test (a)Smack 4.0 if you haven’t already. Smack is available from Maven Central (direct link). aSmack can be obtained from http://asmack.freakempire.de/4.0.0-rc2/
Make sure to read the upgrade guide and the previous blog post about Smack 4.