Release Date: 16 July 2013

The 1.9.2 release of Neo4j is a maintenance release that corrects a serious issue concurrency issue introduced in Neo4j 1.9.1, and resolves some other critical issues when reading from the underlying store. In particular this release addresses:

  • Fixes a concurrency issue when generating JSON payload in response to requests over the REST API
  • Resolves an issue where relationships with very high IDs could be ignored during reading
  • Improves performance when flushing changes to disk on windows systems
  • Resolves an isolation issue when using the Cypher query language
  • Corrects the setting of Content-Type and Content-Encoding headers in REST API responses
All 1.9 users are recommended to upgrade to this release. Neo4j 1.9.2 does not require any store-level upgrades. For a full summary of changes in this release, please review the CHANGES.TXT file contained within the distribution. As part of the Neo4j 1.9 release series, multiple behaviours and features of Neo4j have been declared as deprecated, in order to help users prepare for the removal of these in the next major Neo4j release. A list of deprecations can be found in the Neo4j manual.