
Multi-level boards are here: A new API guide for developers
We've just released a new feature: Multi-level boards, which allows for a much deeper hierarchy in boards by supporting up to five layers of subitems.To help you adapt your apps and integrations, we've published a new API guide that covers all the necessary changes.Key changes for developers to be aware of include: Deeper Hierarchy: Boards can now have up to five levels of subitems(!) Rollup Columns: This new column type can summarize data from child items. New Board Type: Multi-level boards are a new type, separate from classic boards. Simplified Subitem Access: In multi-level boards, all subitems are now accessible. Availability timeline (estimated, might be changed): - August 25: Multi-level boards available for developer acounts - October 1: Multi-level boards boards API goes GA - January 1 (2026): Release multi-level boards in 2026-04 (Release Candidate) as an opt-outCheck out the full documentation for a comprehensive breakdown of the API changes, best practices, and code examples to ensure your apps are ready for multi-level boards.