Shelly RGBW2

… supports firmware 1.0 and later for generation 2 devices The following generation 1 devices only support firmware 1.11 and later (due to incompatible API): Shelly DUO Shelly Bulb RGBW Shelly Dimmer Shelly Dimmer 2 Shelly RGBW2 Shelly Vintage Generation 1 Shelly 4Pro and Shelly Sense are not supported (devices based on old CoAP v1 protocol).

Excerpt saved from home-assistant.io on 2026-10-23.

The problem I have a Shelly RGBW2 that is exposed via HomeKit integration. This Shelly is part of scene that sets the brightness to 2%. After the upgrade the Home Assistant 0.108.0, the scene won't works anymore, with the cause below. ## Environment - Home Assistant Core release with the issue: 0.108.2 - Last working Home Assistant Core release (if known): 0.107.7 - Operating environment (Home Assistant/Supervised/Docker/venv): Docker - Integration causing this issue: HomeKit - Link to integration documentation on our website: https://www.home-assistant.io/integrations/homekit ## …

Excerpt saved from GitHub on 2026-10-23.

The problem If I want to control my Shelly RGBW2 with the HomeKit Bridge via my iPhone, only warm white can be set, the temperature wheel doesn't work at all, only one continuous color is displayed there and if I select white as the color exactly in the middle, warm white is activated instead of cold white. ### What version of Home Assistant Core has the issue? 2022.5.5 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant Container ### Integration causing the issue HomeKit ### Link to integration …

Excerpt saved from GitHub on 2026-10-23.