Are you 100% sure about this? This would mean that Homey has started requesting way more often data from these Zigbee devices.
Source perhaps somewhat unreliable but Google Gemini told me that TX can also go from device to Homey. It just depends who initiated it. And it seems that Tuya Zigbee devices are rather chatty. Something that should be possible to limit if you have them attached to a Tuya Zigbee hub. Or if you create your own version of the Homey Tuya Zigbee app and add these settings. This is something that I have done for the bigger part:
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