Patch version of 2.9, released on March 28, 2018.

Following fixes are included.

• #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)
• #1931: Two more c3p0 gadgets to exploit default typing issue
• #1932: EnumMap cannot deserialize with type inclusion as property
• #1940: Float values with integer value beyond int lose precision if bound to long
• #1941: TypeFactory.constructFromCanonical() throws NPE for Unparameterized generic canonical strings
• #1947: MapperFeature.AUTO_DETECT_XXX do not work if all disabled
• #1977: Serializing Iterator with multiple sub-types fails after upgrading to 2.9.x
• #1978: Using @JsonUnwrapped annotation in builderdeserializer hangs in infinite loop

• #128: (protobuf) Fix skip unknown WireType.FIXED_64BIT value bug
• #129: (cbor) Remove "final" modifier from CBORParser

• #74: (properties) JavaPropsMapper issue deserializing multiple byte array properties

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

• #42: NPE from MrBean when get() or set() is though as property

• #98: OffsetDateTime with @JsonFormat(without=...) doesn't seem to work