Documentation links for legacy releases:

3.0 20 September 2017 Asynchronous API
2.1 18 May 2017 Extended version of tryConsume
2.0 22 Apr 2017 Proxy Manager abstraction for JCache backend
1.3 23 Mar 2017 Support different styles of synchronization for local bucket
1.2 3 Mar 2017 Support of JCache and java 8
1.1 2 Mar 2017 Removing intrusive support of Oracle Coherence
1.0 10 May 2015 First version of bucket4j library