Martin only attaches <request/> (XEP-0184 receipts) in createMessage, so Conversations/Monal had no licence to answer with <displayed/> and read state was stuck on delivered. MUC stays exempt per XEP-0333.
Martin only attaches <request/> (XEP-0184 receipts) in createMessage, so Conversations/Monal had no licence to answer with <displayed/> and read state was stuck on delivered. MUC stays exempt per XEP-0333.