HomeAssistant Core 2026.4.0 released on 01-04-2026
HomeAssistant Core 2026.4.0 is out now. The release sharpens energy reporting and billing for mixed‑generation homes, tightens automation and blueprint workflows, and improves connectivity across Matter, Thread, Z‑Wave JS and Zigbee integrations.
Read the full release notes and migration guidance on the official site for details and installation instructions: Home Assistant release notes — 2026.4.0.
What’s in this release
- Energy dashboard improvements: expanded multi‑tariff billing support, more accurate solar and battery forecasting, better handling of generators and vehicle‑to‑home flows, plus import/export options for energy reports and cost history.
- Automation, scenes and blueprints: richer automation editor previews and validation, conditional scenes, persistent helper variables and simpler blueprint sharing and import/export.
- Connectivity and integrations: stable Matter support and improved Thread border router handling, reliability fixes for Z‑Wave JS and Zigbee, and a host of newly supported devices.
Upgrade notes
- There are notable deprecations and breaking changes, including removed legacy APIs and updated minimum Python/runtime requirements — consult the migration steps in the official release notes before upgrading.
- If the upgrade causes problems, restore your previous installation and follow the migration guidance linked from the release notes to avoid partial or incompatible upgrades.
Share your experience with 2026.4.0 — report issues or post notes on the project discussion channels and issue tracker so others can benefit.