ZCL/Data-Model (ZAP) Version v2026.06.17 (Jun 22, 2026) Release Notes#

Zigbee Cluster Configurator (ZAP) is a code generation tool and configuration UI for applications based on the Zigbee Cluster Library (ZCL) and the Matter data model. It generates application code and configuration artifacts from project-defined endpoints, clusters, attributes, and commands.

Release Summary#

This release adds enhanced configuration validation, improved Matter data model support, ARM64 platform support, and significant generation performance improvements. It also includes usability improvements, Electron 41 support, and several stability and validation fixes.

Key Features#

  • Added comprehensive .zap file validation in the UI, CLI, and REST API.

  • Added ARM64 support for Linux and Windows.

  • Added an Open All option to expand all UI sections.

  • Added Matter support for fabric-sensitive attributes.

  • Improved template generation performance through parallel processing.

  • Added new template helpers for Matter feature bitmap handling.

Bug Fixes#

  • Fixed feature toggle issues for descriptor-based features.

  • Fixed NVM attribute ordering inconsistencies.

  • Fixed SQL trigger error reporting in the UI.

  • Fixed multiple validation issues, including endpoint, storage, floating-point attributes, and IEEE hexadecimal handling.

  • Fixed stale cluster warnings that could remain after successful component installation.

  • Improved reliability of template rendering for large and complex projects.

Removed or Deprecated Features#

  • None.

Known Issues and Limitation#

  • No new known issues identified in this release.