See gh-25837

See gh-25836

See gh-25835

Closes gh-25837

Closes gh-25836

Closes gh-25835

Closes gh-25833

Closes gh-25832

* gh-25621:
  Polish "Document Failsafe configuration when not using starter parent"
  Document Failsafe configuration when not using starter parent

Closes gh-25621

See gh-25621

See gh-25621

Restore the patch version number for consistency with `@since`
tags.

See gh-25808

This commit adds a new `spring.netty.leak-detection` configuration
property that selects the level of memory leak detection for the Netty
engine.

This configuration is applied statically to Netty; this means all
(non-shaded) Netty usages as client or server will be impacted by this
change.

Developers might use this property during development or tests to find
causes of memory leaks when dealing with Netty buffers.

Closes gh-14338

See gh-25826

See gh-25825

See gh-25808

Restore the deprecated `JobLauncherCommandLineRunner` class and extend
removal until 2.6. The class is still needed by spring-cloud-task.

Closes gh-25807

Closes gh-25826

Closes gh-25825

Update all deprecation tags to include a removal target.

Closes gh-25808

See gh-25818

Prior to this commit, the Actuator instrumentation for WebFlux servers
would not record metrics in two cases:

* the client disconnects before the response has been sent
* a server timeout is triggered before the response is sent

This commit improves the existing instrumentation to record metrics in
these cases. Since the causes of timeouts/disconnections can vary a lot,
the chosen "outcome" tag for metrics is "UNKNOWN".

Closes gh-23606

Closes gh-25818

Closes gh-25823

Closes gh-25822

Closes gh-25821

See gh-25820

See gh-25819

Closes gh-25820

Closes gh-25819

Closes gh-24741

See gh-24741

See gh-24741

Closes gh-25788

Closes gh-25813

Closes gh-25812