Spring Framework 6.1 RC1

The first RC of Spring Framework 6.1 has been released.

Main changes

• Spring Framework 6.1 requires the Jackson 2.14 baseline and supports the newDatatypeFeature
• Further improvements to AOT, reducing runtime reflection and preparing for upcoming reachability changes in GraalVM
• With a new  BodyInserter method variant, it is now possible to use it  OutputStream as a data source in reactive web APIs
• Functional Web Framework now allows header manipulation when serving static resources, making it easier to write HTTP cache response headers

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Spring Framework documentation shows that Spring 6.1 is fully compatible with virtual threads ( Virtual Threads ) and JDK 21.

Virtual thread configuration options: dedicated  VirtualThreadTaskExecutor  and  virtual thread mode on SimpleAsyncTaskExecutor , and similar SimpleAsyncTaskScheduler with new-thread-per-task strategy and virtual thread mode .

According to the plan, the official version of Spring Framework 6.1 will be released in November. Please refer to the release announcement for details .

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Also released is the general update  Spring Framework 6.0.13 .