[ADD] Bare JIDs, use room nicks

XEPS-TBD.TXT

@@ -1,20 +1,26 @@
 XEPs current supported are in src/XMPPThread.c, at the IQ disco advertising.
 
-For future XEPs:
+Somewhat implemented XEPs:
     ~ https://xmpp.org/extensions/xep-0444.html
         This allows reactions, which Matrix also has support to. The two 
         systems don't seem *too* restrictive on one-another (unlike some 
-        IM platforms I won't mention), so this doesn't sound too bad.
-                                HALF-IMPLEMENTED
+        IM platforms I won't mention), so this doesn't sound too bad to do
+                HALF-IMPLEMENTED: Removing stickers won't work.
+
+For future XEPs:
 
     - https://xmpp.org/extensions/xep-0118.html
         Informations on what a user is listening to. Matrix doesn't have 
         good support for status, to be frank. Clients (including KappaChat) 
         should consider having more support for those, rather than it being 
-        stuck as a FluffyChat/Nheko feature.
-        If any client devs hear this, please consider adding these, 
+        stuck as a FluffyChat/Nheko feature for the good of the entire federation.
+        As such, if _any_ client devs hear this, please consider adding these, 
         (especially if you're a smElement employee!)
 
     - https://xmpp.org/extensions/xep-0084.html
         Avatar support would be extremely useful, if just a QoL improvment.
         Matrix and XMPP both have support for these.
+
+    - https://xmpp.org/extensions/xep-0449.html
+        Stickers are great. Matrix and XMPP somewhat has support for them, so
+        might be a nice-to-have, and also to push over XMPP support.