HAL JSON is now the default media type for hypermedia support in Spring. This means that from Spring HATEOAS 2.x and up, including Spring Boot 3.x, HAL JSON is used by default for APIs. So what does this mean for your applications.
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Spring Cloud Sleuth is not being maintained anymore after version 3.x, which was the latest minor version. This also means that from Spring Boot 3.x and up, you cannot use Sleuth anymore in your applications. So what is the alternative?