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Home Assistant 2026.9.3 – safe to update?

Newer release in this line: Home Assistant 2026.9.4 (2026-09-27). If you're updating now, check that one instead — it may already fix the issues reported here.

What's in this release

CVEs fixed

No CVEs mapped to this release.

Community reports

• Problem Connection Lost. Reconnecting. over and over with 2026.9.3 / OS 18.3 · Reddit · 2026-09-20

  GNKTec NucBox G5 12th gen Alder Lake, 12GB RAM 256GB SSD 18.3 changes kernel - 18.2: Linux 6.18.39 18.3: Linux 6.18.52 Your NIC: Realtek 10ec:8168 , using r8169 Throws NETDEV WATCHDOG errors which overwhelm the thing. Dropping to 18.2 OS fixes the problem. Leaving post as FYI Si…

• Mention Trying to connect 130 Honeywell WiFi thermostats to a Home Assistant · Reddit · 2026-10-09

  Hello! Wondering how many developer accounts I will need to connect 130 t5 thermostats to a Home Assistant Core (version 2026.9.3). The issue is the 429 error because it seems the Resideo app (cloud) wants to refresh all the devices on the account every time you adjust one. Thes…

• Mention Music Assistant Automation problems · Reddit · 2026-09-29

  For the past 6+ months I've had an automation that plays music out of our bedroom voice edition preview at (X) time we set. It shuffles a playlist and we wake up to random song each day. For the past month of so I've been tying to troubleshoot the fact the player just will not s…

• Mention How do I create a display that shows my monthly power usage. · Reddit · 2026-09-28

  I am running HA in a VM running on an UnRaid server. I am receiving my electric meter information from my utility using the Smart Meter Texas integration. I have the Energy Dashboard, but it doesn't show what I want. I want a card/meter/graph that shows the cumulative energy usa…

• Mention Webcam Won't stay Live · Reddit · 2026-09-27

  I am running HA in a VM running on an UnRaid server. I have a Moonraker integration that sends a webcam stream from my 3D printer to a picture-glance card, The stream starts fine, and will run for between 5 and 30 seconds, and then freezes. If I refresh the page, or pop out the…

• Mention how do i control a midea KJR-120N wall panel (a/c + furnace) with home assistant? · Reddit · 2026-09-27

  i have a midea wall panel that controls both my central a/c and my furnace. we control the wall panel through the nethome plus app. we can turn the a/c on, but we can't switch to the furnace. how do i control it with home assistant? **home assistant version + install type** - co…

• Mention Aqara temperature Sensors get unavailable · Reddit · 2026-09-24

  Hi everyone, after trying to troubleshoot this issue on my own for quite a while, I’ve finally reached the point where I need some help. I have several Aqara temperature/humidity sensors in my smart home. For the first 2–3 months they worked perfectly fine, but after that they s…

• Mention Why can't I see how my Matter devices connect to each other? · Reddit · 2026-09-23

  I'm using matter over thread with the zbt antenna and I also have a border router that is a smart plug. When I look at the smart plug setting it says it's set up as a router. I have switches that are near the smart plug but that constantly disconnect from the network. How can I…

• Mention Punifi: Sync pfSense DHCP policies to UniFi Wi-Fi MAC filters through Home Assistant · Reddit · 2026-09-22

  Hi everyone! I’ve released Punifi, a Home Assistant integration that keeps selected UniFi Wi-Fi MAC filters in sync with your pfSense DHCP policies and static MAC mappings. Install through HACS, pair a pfSense interface with a UniFi SSID, and manage your client lists in pfSense…

• Mention Follow-up: the YAML from my vibe-coded dashboard · Reddit · 2026-09-22

  A few days ago I posted a walkthrough of my custom dashboard and mentioned I'd built it with Claude Code. Most of the replies asked the same two things: can you share the YAML, and could I describe the process. A Vibe Coded Home Assistant Dashboard Fair warning : I vibe coded th…

• Mention Unable to convert number to string · Reddit · 2026-09-20

  Is there any workaround to prevent non-english numbers being converted to english? {{ "२०" }}, {{ "२०" | string }} both show as 20 on dashboard instead of २०. HA container, version 2026.9.3

Reports are found automatically and labelled by an AI model plus keyword rules — they can be wrong. Open the post to judge for yourself.

← Home Assistant 2026.9.2 · Home Assistant 2026.9.4 →

Other Home Assistant versions

• 2026.10.2 2026-10-16
• 2026.10.1 2026-10-10
• 2026.10.0 2026-10-07
• 2026.9.4 2026-09-27
• 2026.9.3 2026-09-18
• 2026.9.2 2026-09-11
• 2026.9.1 2026-09-05
• 2026.9.0 2026-09-02