@ntsmkfob whereas I received an email from U.K. support after asking for the downgrade instructions. They reached out to me witj what info was required. I sent them that yesterday and received this...

@Alasdair @Ultimaker I received an email from support, not a message on here. Keep an eye on your email inbox, it might arrive there.

@Brook hi Brook, thank you so much for listening to our concerns. I too would love to receive the instructions on how to downgrade the firmware. thank you!

Likewise, my HS100s have lost their HomeAssistant integration. That was the only reason I had them. Without the integration, the plugs are useless to me. TP-link, please advice how to downgrade back...