Link to docs from the main Spring Data Commons page is producing 404 https://spring.io/projects/spring-data-commons#learn try clicking on the reference GA docs link. it's linking to https://docs.spring.io/spring-data/datacmns/docs/2.0.3.RELEASE/reference/html/ and that is giving the 404
https://docs.spring.io/spring-data/commons/docs/current/reference/html/ which find via google seems to work.
Also is the docs in the section on nullabality analysis https://docs.spring.io/spring-data/commons/docs/current/reference/html/#repositories.nullability the link to the Spring Framework’s nullability annotations. is broken see attached screenshot looks like a bunch of the bullet points are intended to be links but have some var that has not been set.