The following are fixed issues and enhancements for Hazelcast 3.8.7 release.
- MapStore: Map initialization is blocked when new members join during the data loading. [#11407]
- Split-brain is not working as expected on a 2-member cluster. There occurs a cluster merge deadlock when the core size is 1. [#11403]
- Unable to connect any address in the configuration. [#11288]
OperationTimeoutExceptionthrown at Hazelcast clients should include a more informative text. [#11241], [#11236]
- Stale reads must be guaranteed from the map inside a transaction, when Near Cache and delayed MapStore are enabled. [#9248]
- A GroupProperty
INDEX_COPY_BEHAVIORwas added to enable fine-tuning of index query behavior. Related to performance degradation reported in [#11280]