Home Assistant OS 18.0 is out, and it’ll stop devouring your RAM on low-end devices
Home Assistant OS 18.0 is out, and it’ll stop devouring your RAM on low-end devices
Publish Date: 2026-06-22 21:12:00
Source Domain: www.xda-developers.com
Summary
- Home Assistant OS 18.0 clamps the default swap to 1-4 GB, improving use on devices with
- Swap grows slightly on
- It also updates the Linux kernel to 6.18 and speeds up image flashing – grab the new OS on GitHub.
It’s no secret that we love Home Assistant here at XDA. We’ve been tinkering with it (and its new AI tool) for a while now, and there’s no sign of us stopping. One of our favorite uses for Home Assistant is putting it on a low-end system like a Raspberry Pi and performing smart home actions with it.
Unfortunately, Home Assistant OS doesn’t work so great on systems without a lot of RAM; that is, until now. A new update for the OS has added a new setting that better respects a low amount of RAM on your system.
Home Assistant OS 18.0 brings new tweaks for lower RAM counts
Plus, it runs off a newer version of the Linux kernel now
As spotted by Linuxiac, Home Assistant OS 18.0 has finally been released. It’s worth noting that this isn’t the Home Assistant app getting an update; it’s the OS that keeps everything…