> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/harness-platform/3.0/in-harness-3.0/migrations-and-compatibility.md).

# Migrations & Compatibility

{% content-ref url="/pages/SRZvekfgAF7geYHI37Cm" %}
[Migration Guide](/harness-platform/3.0/in-harness-3.0/migrations-and-compatibility/migration.md)
{% endcontent-ref %}

{% content-ref url="/pages/gr8CIhnFLKQqV7CRlczv" %}
[Backward Compatibility](/harness-platform/3.0/in-harness-3.0/migrations-and-compatibility/compatibility.md)
{% endcontent-ref %}