Jackson Release 2.9.5

Patch version of 2.9, not yet released (as of January 2018).

Following fixes are included.

Changes, core

Streaming

Databind

• #1911: Allow serialization of BigDecimal as String, using @JsonFormat(shape=Shape.String), config overrides
• #1912: BeanDeserializerModifier.updateBuilder() not work to set custom deserializer on a property (since 2.9.0)

Changes, datatypes

Guava

• #27: Null value handling not supported for Optional within Multimap