Prosody IM Lightweight XMPP server 2008-08-22 Lua C Linux macOS FreeBSD OpenBSD NetBSD Matthew Wild MattJ https://matthewwild.co.uk/ Waqas Hussain waqas Kim Alvefur Zash https://www.zash.se/ 0.7 0.10 0.3 0.1 0.8 0.1 0.9 0.7 0.1 0.1 via XEP-0163 via XEP-0163 0.4 via XEP-0163 0.2 0.10 0.9 0.7 0.6 0.10 via XEP-0398 0.10 0.5 via XEP-0163 0.9 via XEP-0163 0.10 via XEP-0163 via XEP-0163 via XEP-0163 via XEP-0163 0.1 0.1 0.2 required level 0.1 0.7 0.4 0.10 0.12 0.11 Core Server 0.10 0.9 refers to inclusion of delay stamp in presence 0.11 via XEP-0163 0.11 0.11