# Zero Boundary Language > v0.5.0-preview.5 is an unsigned internal development preview. - [Documentation](https://zbl.zebvixchain.com/docs) - [Full reference](https://zbl.zebvixchain.com/llms-full.txt) - [language-specification](https://zbl.zebvixchain.com/ai/language-specification.json) - [compiler-capabilities](https://zbl.zebvixchain.com/ai/compiler-capabilities.json) - [runtime-capabilities](https://zbl.zebvixchain.com/ai/runtime-capabilities.json) - [cli-reference](https://zbl.zebvixchain.com/ai/cli-reference.json) - [examples](https://zbl.zebvixchain.com/ai/examples.json) - [verified-examples](https://zbl.zebvixchain.com/ai/verified-examples.json) - [versions](https://zbl.zebvixchain.com/ai/versions.json) - [portal-guide](https://zbl.zebvixchain.com/ai/portal-guide.json)