This site has a the following RSS feeds that you can follow.
Blog Posts
https://www.velociraptor-docs.org/blog/index.xml
Built-in artifacts
https://www.velociraptor-docs.org/artifact_references/index.xml
Community Exchange Artifacts
https://www.velociraptor-docs.org/exchange/index.xml
Knowledge Base articles
https://www.velociraptor-docs.org/knowledge_base/index.xml
Playbooks
https://www.velociraptor-docs.org/training/playbooks/index.xml
Security Advisories
https://www.velociraptor-docs.org/announcements/advisories/index.xml
GitHub Release Tags - Get notified for new releases