Is Home Assistant 2026.10.4 safe to update?

Probably yes. Bug fixes and minor features only, per the release notes. No breaking changes mentioned.

What users are reporting

13 public report(s) mention this version, 1 describing a bug or breakage. Most-discussed: “Error after Upgrade Core”. Sources: GitHub · checked 2026-10-25

• Error after Upgrade Core (GitHub, describes a problem)
• Error while running updates (GitHub)
• Smart Meter Texas fails to load on 2026.10.4: No module named 'tenacity' (GitHub, closed)
• Portainer: a Kubernetes environment makes the whole integration fail setup (GitHub)
• Velbus: VMBGP4PIR-2 missing light-dependent motion entity and dict has no attribute split (GitHub)

Reports are from public issue trackers and forums. Their count isn't a failure rate, and an empty list doesn't prove an update is safe.

⚠️ What breaks

Nothing in the release notes suggests breaking changes. This looks like a bug-fix or minor release. The usual precautions (backup, read notes) still apply.

Read the full official release notes →

✅ What to do first

1. Read the official release notes (linked in “What breaks”).
2. Back up config and data (snapshot the VM/volume if you can).
3. Note the version you are on now, so you can roll back.
4. Update, then check logs and core functions before walking away.

↩️ How to roll back to 2026.10.3

Restore the automatic pre-update backup (Settings → System → Backups), or on HA OS run ha core update --version 2026.10.3. In Docker, pin the previous image tag.