Jackson Release 3.0.1

Patch version of 3.0, under development (October 2025)

Following fixes will be included in this patch release.

Changes, core

Streaming

Databind

• #5335: JsonMapper to deserialize Optional.empty() instead of null in case of missing property (2.x compatibility)
• #5340: DeserializationFeature.ACCEPT_FLOAT_AS_INT not respected for byte/short when deserializing from JsonNode
• #5344: "Unexpected end-of-input" for JsonParser.readValueAs()

Changes, data formats

Changes, Providers

JAX-RS Providers

• #220: Fix ServiceLoader manifests due to 3.0 package changes

Jakarta-RS Providers

• #57: Fix ServiceLoader manifests due to 3.0 package changes