HA 2024.5.0 problem not resoved
In
a workaround is posted (using smartlive integration instead of tuya integration)
Smartlife integration is not a workaround, the development states itās buggy and automations are unreliable.
It appears code review process it broken for items that are included in core. This is clearly a change that had not been fully tested that needs to be rolled back. The longer this goes on for the worse it will be
Same issue here, also only with none cct warm white +rgb bulbs. Weird thing is, also Google Home has lost the white option for these bulbsā¦
HA 2024.5.1 ā> problem not resolved
I concur, still there 2024.5.1. If the bulb are set to white mode in Tuya App and you only use Toggle or direct on/off with no other parameters in HA. They will continue to set at that. But the moment you try to change brightness, or anything else, it goes back to color mode and if you do not input specific color you just get yellow.
Does not work with any methods to try to get to white mode. If you want to return to white mode you need to initiate them in Tuya then only use toggle/on/off in HA. Which then you lose ability to control them in white mode or go back an forth between a color and white mode within HA alone.
Since I am new I never saw if there are additional button, or option, when you go to the bulb within the Tuya integration and this window show the current status or you can control them. But I would expect an extra button to switch white more like on the app. Since it is not there, I am thinking the capability is not exposed?
Zak
Hi @Zak707 ,
Please also comment on
I hope the developers will pick this up there.
As you can see there, indeed not all of the capabilities of such a bulb are correctly exposed in Home Assistant.
grtz
Bart
Following, as have the same issue. In 2024.8.1
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Just installed the Tuya integration and a brand new led-strip from Tuya. Not able to change color, just on/offā¦
Hello, Iāve submitted a draft PR for a code fix for this issue.
PR: Add ColorMode.WHITE when Tuya bulbs support white but don't have temp_value by wedsa5 Ā· Pull Request #126242 Ā· home-assistant/core Ā· GitHub
Please take a look and if you can, install this code change as a custom integration of tuya as described here and here. Once tested, please leave feedback as a comment on the PR.
I do not have any bulbs that support changing the white color temperature, so I was unable to test if that was broken by my code or not, so I need someone to test with that.
Hi everyone,
It seems I am having the exact same problem with my Tuya bulbs. Home Assistant can only control them in colour and not CCT.
If I ask Alexa to set the bulbs to āWhiteā they are perfect, but HA is unable to match this colour using CCT.
Iāve spent hours trying to resolve this before finding this post. I wish I had seen it sooner because I always thought it was my error 
Hopefully someone more intelligent than me can help resolve this issue.
Cheers, Tony
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Same here. RGB tuya light. Tuya app allows to change colors.
Tuya integration only allows to change ww, cw and brightness.
i have the same problem
Currently having the same issue with my Merkury single color temp white + RGB bulbs integrated via Tuya. When using HA to turn them white they just combine the red, green, & blue leds to create white instead of utilizing the dedicated white leds. When using the Tuya app there is no issue activating the white led lights but as mentioned above, the true white option is unavailable in HA. Has anyone found a solution for this? It seems like itās been an issue for awhile.