The Valtimo backend libraries are published to the Sonatype OSS repository (alias Maven Central). This repository provides a search index and artefact information, including examples how to add a dependency on a Valtimo module to your project.
Next to the Sonatype OSS repository, the Valtimo backend artefacts are included in the MVN repository as well. Use the repository of your liking.
The front end libraries are published to npmjs.com.
The release notes of Valtimo are listed per edition. One for the Valtimo core product and one for the Valtimo GZAC edition.