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25 June 2026

Home Assistant’s Matter.js Upgrade Revolutionizes Smart Home Control

Home Assistant has launched a significant upgrade to its Matter integration, powered by matter.js, offering enhanced stability, speed, and new features.

Home Assistant's Matter.js Upgrade Revolutionizes Smart Home Control

The smart home landscape is evolving rapidly, and Home Assistant is at the forefront of this transformation. The platform has recently unveiled a major upgrade to its Matter integration, powered by matter.js. This enhancement promises to revolutionize the way users interact with their smart devices, offering greater stability, speed, and a host of new features.

For those unfamiliar, Matter is an open standard that enables smart devices from different brands to communicate seamlessly. This interoperability is a cornerstone of the Open Home Foundation‘s mission, which aims to make open alternatives possible in the smart home industry.

The Journey to matter.js

The journey began as a passion project that quickly gained traction. Matter.js, initially a personal endeavor, has grown into the backbone of the open-source Matter ecosystem. It powers a wide range of platforms, from Homebridge to openHAB, and even some commercial products.

In a strategic move, the lead developer joined forces with the Open Home Foundation to work full-time on Matter. This collaboration led to the donation of matter.js to the foundation, ensuring its long-term sustainability. The foundation’s investment in critical technology is funded in part by subscriptions to Home Assistant Cloud and sales of official hardware from commercial partners.

Key Features of the New Matter Integration

The new Matter experience in Home Assistant is delivered through the Matter Server app 9.0 a fully compatible drop-in replacement for the previous Python-based server. This update brings several significant improvements:

  • Greater Stability The new integration offers enhanced stability, reducing bugs and improving
  • Faster Start-up and Recovery Devices now come back online much faster, and networks are more responsive.
  • New Visualization Feature A brand new visualization feature helps users understand their network better.
  • Updated Specifications The upgrade to the Matter 1.5.1 specification (with 1.6 on the horizon) improves support for new device types like cameras, doorbells, and closures.
  • Enhanced Security The new server tightens security by preventing uncertified devices from being added out of the box and checking certificate revocation data during commissioning.

These changes mark important steps in making Matter work more reliably within Home Assistant setups, now and into the future. Beta testers have praised the new Matter Server for its improved performance and unique features, such as the Thread mesh view.

The Future of Matter in Home Assistant

Matter now runs in 38% of Home Assistant instances, ranking twelfth among all integrations. This popularity underscores the growing importance of Matter in the smart home world. The Open Home Foundation is committed to making the smart home experience more seamless, with fewer compatibility issues and more device choices.

The new Matter integration in Home Assistant is a significant step toward this vision. As the smart home industry continues to evolve, Home Assistant’s commitment to open standards and interoperability will ensure that users have a smart home that just works.

For those looking to upgrade, the new Matter experience is delivered through the Matter Server app 9.0. After updating the app, it will automatically migrate your data on the first start and work seamlessly with your existing setup.

Author

Beatrice Mitchell

Beatrice Mitchell, Manchester-rooted and classically elegant, famously commissioned a rebuttal series after a controversial council planning meeting in Stockport, insisting on community testimony. Holds a firm editorial line on accountability and narrative fairness, and collects vintage city planning maps as an idiosyncratic hobby.