...

1. CacheManager#getCacheNames() will throw IllegalStateException in case when CacheManager is closed. See IGNITE-8708 for details.

2. Cache#putIfAbsent will change hit/miss statistic. See IGNITE-8709 for details.

3. CacheManager#getCache(String) doesn't check types anymore. See IGNITE-8704 for details.

Discussion Links

http://apache-ignite-developers.2346864.n4.nabble.com/Upgrading-Ignite-to-JCache-1-1-td30754.html

...