ZHA integration support for ZGP (Zigbee Green Power) batteryless devices via zigpy to work with Philips Hue Click, Philips Hue Tap, and “other Friends of Hue” switches?

[Hedda]

You can vote on this WTH in the hope that it might draw the attention of new volunteering developer(s):

WTH doesn’t ZHA support batteryless Zigbee Green Power devices yet? (i.e. no support in zha or zigpy for Philips and "Friends of Hue" buttons that uses ZGP)

Please find a way to get ZHA and zigpy developers help to finally add initial support for ZHA to be a Zigbee Green Power Target as per the Zigbee Green Power (ZGP) specification so that users of the ZHA integration (Home Assistant’s native Zigbee Gateway) can add batteryless Philips and “Friends of Hue” button devices that uses ZGP. This is mentioned under limitations → https://www.home-assistant.io/integrations/zha#limitations “ZHA does currently not support devices that can only use the ZG…