• wildcard generic AQL bind vars (#612, DE-991)

• added SSL configuration properties (DE-1010, #611)
• fixed support to Jackson 2.19

Full Changelog: https://github.com/arangodb/arangodb-java-driver/compare/v7.20.0...v7.21.0

• added option usePlanCache to AqlQueryOptions (DE-973, #609)
• updated Jackson version to 2.19 (DE-1012, #607)

• fixed connection pool load-balancing (DE-1016, #602), now the connection pool:
  • keeps track of busy connections (or busy HTTP/2 streams)
  • enqueues new requests only to connections that are not busy (or that have available HTTP/2 streams)
  • waits asynchronously if all the connections are busy (or all HTTP/2 streams are busy)
• added new option to configure HTTP/1.1 pipelining (com.arangodb.ArangoDB.Builder.pipelining(Boolean)),
  false by default
• changed default configuration HTTP/1.1 pipelining to false

• updated jackson-dataformat-velocypack to version 4.6.0
• exposed configuration properties keys in ArangoConfigProperties
• deprecated CollectionStatus
• fixed equals() and hashCode() in some entity classes

• implemented equals() and hashCode() for all entity classes
• fixed overlapping resources in shaded package

• allow construct ArangoConfigProperties from java.util.Properties (DE-976)
• made BaseDocument and BaseEdgeDocument serializable (#596)

• improved deserialization of RawBytes and RawJson (#592, DE-969)
• added support to Jakarta JSON-P data types (#593, DE-968)
• fixed ArangoSearch PrimarySort serialization

• added missing collection options (#590, DE-961)
• improved serde performances (#588, DE-959)

• support all AQL query options in ArangoDatabase.explainAqlQuery() (#589, ES-2266)