HomeAssistant Core 2026.9.0 released on 02-09-2026

HomeAssistant Core 2026.9.0 is out now. It delivers first‑class Matter controller support and Thread improvements, plus upgraded energy, automation and stability features that will matter to anyone running Matter/Thread devices, advanced energy dashboards or large automation sets.
See the full release notes on the Home Assistant blog for detailed migration guidance and developer notes: https://www.home-assistant.io/blog/2026/09/02/release-20269/, and check the project GitHub for source changes and issue tracking.
What’s in this release
- First‑class Matter controller support in Home Assistant with smoother in‑UI device commissioning and factory reset flows, plus an OTA update pipeline for Matter devices.
- Thread improvements: better Border Router stability and enhanced diagnostics for Thread networks.
- Energy and automation updates: multi‑tariff and dynamic pricing support, battery state‑of‑charge forecasting, smarter EV charging schedules and a redesigned visual automation editor with nested branches and reusable subflows.
Upgrade notes
- There is a required Python/runtime minimum bump and a set of deprecations and breaking changes; consult the release notes for migration steps and developer guidance: release notes.
- Back up your configuration before upgrading and follow the release’s recommended backup and update procedures so you can restore a previous state if needed.
Share any comments on your experience with 2026.9.0 — particularly if you test Matter/Thread controller migration or the new energy scheduling features.


