MQTT using deprecated function that will stop working in HA 2025.3

[Sparven999]

The problem

I noticed a lot of logs on my Home Assistant Green regarding using a deprecated function on my lights. I have only used that standard functionality on the lights on my default dashboard (just got it setup the other day). The logs advised me to create report here for the issue. Attached is a screenshot of the log in question.

What version of Home Assistant Core has the issue?

core-2025.1.0

What was the last working version of Home Assistant Core?

N/A

What type of installation are you running?

Home Assistant OS

Integration causing the issue

MQTT with Zigbee2mqtt (latest version)

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response