Ehcache Milestone 5 发布了，改进内容包括：
Support for byte sizing on heap,
Reworked cache event listener system,
Many improvements in configuration builders,
Alignment at the XML configuration level to offer better consistency,
More fixes to tiering which would expose internal state,
Many more improvements and bug fixes
下载地址：https://github.com/ehcache/ehcache3/releases/tag/v3.0.0.m5