Changes in This Release for This Guide
The following changes apply to property graph support that is shipped with Oracle Graph Server and Client.
Oracle Graph Server and Client is required for using the property graph feature of Oracle Database (see Oracle Graph Server and Client Installation), and is released four times a year.
New Features in Oracle Graph Server and Client 25.2
Features That Work With Oracle Database Release 23ai and Prior Oracle Database Releases
- Published Oracle Graph Quickstart Container Image to Oracle
                    Container Registry.
                        See Running Oracle Graph Quickstart Container Image for more information. 
- Added support for loading SQL property graphs and subgraphs with
                    composite keys using auto-generated IDs​.
                        See Loading SQL Property Graphs with Composite Keys for more information. 
- Added support for PGQL 2.1 which includes support for
                    optional pattern matching using an OPTIONAL MATCHclause in a PGQL query.See OPTIONAL MATCH Clause for more information. 
- Added a new option -xfor restarting the graph server (PGX) when using thequicksetupscript.See Configuring the Graph Server Using a Quick Setup Script for more information. 
- Key Property Graph Features in Oracle Database Release 23ai
 Learn about the key property graph features in Oracle Database 23ai.
- Deprecated Features
 Review the deprecated features in Oracle Graph Server and Client.
- Desupported Features
 Review the desupported features in Oracle Graph Server and Client.