Where did you read that?
To me they wrote to expect 2 - 3 weeks. Which is not the same as it takes 2 -3 weeks imho 
Can you show us your zigbee overview? Goto https://tools.developer.homey.app/tools/zigbee
Do you have a zigbee mesh network with enough router devices (almost all zigbee mains powered devices)?
If so, pair the switch near it 's final location.
If not, pair the switch a few centimeters from Homey.
This is very odd!
Can you show us with screenshots what you mean? Did you install the app properly per https://homey.app ?
Be specific please. An app has (sometimes) one test version available. Or do you mean beta Homey firmware?
Why didn’t you post your issues in the Aqara app topic?
