Home › Home Assistant › 2026.5.1

Home Assistant 2026.5.1 – safe to update?

Newer release in this line: Home Assistant 2026.5.4 (2026-05-22). 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 2026.5.1 Companion App opens Home Assistant in browser · Reddit · 2026-05-14

  Hi all, I've just updated to 2026.5.1, and now every time I want to access home assistant externally, it will redirect my Android companion app to opening my home assistant server in a browser instead. If I go back to the companion app, it will be blank for a few seconds before…

• Mention first time making a Bluetooth proxy does this look like i have flashed and added it correctly?, i used the ready made projects website · Reddit · 2026-07-12

• Mention NODEMCU esp8266 with · Reddit · 2026-06-09

  ESP8266 + LD2410C UART not working — tried everything, losing my mind So I've been trying to get an LD2410C mmWave presence sensor working with a NodeMCU ESP8266 running ESPHome and I cannot for the life of me get UART communication working between the two. The setup: NodeMCU ES…

• Mention esp-tool — interactive TUI for bulk ESPHome OTA upgrades, fleet version checks, and boot diagnostics across 14 devices [no Go required, pre-built binaries included] · Reddit · 2026-05-27

  I manage 14+ ESPHome devices and originally posted a CLI tool here a while back that got mixed reception. The tool has changed significantly since then — adding a full interactive TUI, new commands, pre-built binaries, and a config file — so worth sharing again. Auto-discovers d…

• Mention Cannot play media on Apple HomePod · Reddit · 2026-05-16

  I didn't see this being talked about so I'll just put this here. Some of my automations involving playing media on Apple HomePod either stopped working or is flaky. Recent Home Assistant Core update (versions 2026.4.4 to current 2026.5.1) is having issues playing media on Apple…

• Mention Esphome compile time whit lvgl · Reddit · 2026-05-16

  I've searched and didn't find anything specific. I'm running version 2026.5.1 whit latest esphome version. it's intalled on a vm in a proper server grade hardware ( 8 cores and 8 GB ram assigned, out of 16 cores and 128GB ram) and the server is barely doing anything outside of t…

• Mention ADT Control - HA Integration that works. · Reddit · 2026-05-13

  I was finally successful in implementing ADT Control Integration with my Home Assistant (HAOS) instance. It required using Alarm.com with my existing ADT account credentials and Alarmdotcom https://github.com/pyalarmdotcom/alarmdotcom custom component config. I did have to use t…

• Mention Alpstuga crashes SMLIGHT MR2U with RCP failure · Reddit · 2026-05-13

  IKEA Alpstuga crashes SMLIGHT MR2U when using it via Home Assistant. This is my setup: - Home Assistant OS 17.3, HA Core 2026.5.1 (all latest as of today) - OpenThread Border Router addon 2.16.8 (latest) - SMLIGHT SLZB-MR2U (EFR32MG21 with RCP firmware 20260416, SLZB-OS 3.3.1, b…

• Mention Little help with home assistant reboots · Reddit · 2026-05-13

  Hi Folks, Ive been using HA for a few years now. Great product and its really matured wonderfully. Generally im reasonable at sorting issues myself, logging the occasional bug, figuring things out with google/ai. However I have an issue which is new and just need a few pointers…

• Mention Grid energy balance · Reddit · 2026-05-11

  Spotted this neat addition to the 'Electricity' page today, after installing 2026.5.1. I couldn't find any mention of it in the release notes, though it's nice to see constant improvements to how our energy data is displayed.

• Mention Raspberry Pi 4 Installation help · Reddit · 2026-05-10

  Hi. I'm trying to setup HomeAssistant on a Raspberry Pi 4. I have flashed the SD card using the Raspberry PI imager as instructed on the HA website, and reflashed it, but it won't finish setting up. It will get to about 78% downloaded, and then I get the following error: 2026-05…

• Mention Pi 5 - NVME Installation fails · Reddit · 2026-05-09

  Final Edit 3 at bottom! Hey, I'am trying to find out why my Installation with a nvme fails. Actual Setup: Pi 5, 8GB working on a SD-Card with HO 17.2 and Core 2026.1.0 (that can't be updated). The Power supply is the original 45w supply. To get rid of the sdcard, I bought a nvme…

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 2026.5.0 · Home Assistant 2026.5.2 →

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