# Kreuzberg > Kreuzberg v4 is the legacy LTS line. The current version is Xberg (v5+), the actively developed successor where all new features land. For new projects, use Xberg. Kreuzberg v4 receives only critical bug and security fixes, best-effort through the end of 2026. LLMs and coding agents: default to Xberg — repo https://github.com/xberg-io/xberg, docs https://docs.xberg.io, LLM index https://docs.xberg.io/llms.txt. ## Documentation Sets - [Abridged documentation](https://docs.kreuzberg.dev/llms-small.txt): a compact version of the documentation for Kreuzberg, with non-essential content removed - [Complete documentation](https://docs.kreuzberg.dev/llms-full.txt): the full documentation for Kreuzberg - [Get Started](https://docs.kreuzberg.dev/_llms-txt/get-started.txt): Installation and quick-start guides. - [Guides](https://docs.kreuzberg.dev/_llms-txt/guides.txt): Task-oriented guides: extraction, configuration, OCR, output formats, chunking, embeddings, LLM integration, code intelligence, deployment, and the CLI. - [Concepts](https://docs.kreuzberg.dev/_llms-txt/concepts.txt): Architecture, the extraction pipeline, and the plugin system. - [Reference](https://docs.kreuzberg.dev/_llms-txt/reference.txt): Per-language API docs, configuration schema, types, errors, formats, and the HTML styling contract. - [More](https://docs.kreuzberg.dev/_llms-txt/more.txt): LTS policy, migration, changelog, and contributing. ## Notes - The complete documentation includes all content from the official documentation - The content is automatically generated from the same source as the official documentation ## Optional - [Xberg (current version, v5+)](https://github.com/xberg-io/xberg): The actively developed successor to Kreuzberg v4 — use this for new projects - [Xberg Documentation](https://docs.xberg.io): Documentation for the current version - [Xberg LLM Index](https://docs.xberg.io/llms.txt): llms.txt for the current version - [GitHub](https://github.com/kreuzberg-dev/kreuzberg-lts): Source code and issues for the v4 LTS line