Update features list

README.7

@@ -35,9 +35,9 @@ recent URLs from a particular user
 or matching a substring
 can be opened or copied.
 .It
-History:
-window contents can be saved
-and restored on startup.
+Ignore:
+visibility of filtered messages
+can be toggled.
 .El
 .
 .Ss Non-features
@@ -67,6 +67,12 @@ or connected to a bouncer,
 such as
 .Lk https://git.causal.agency/pounce "pounce" .
 .It
+CTCP:
+apart from
+.Sy ACTION ,
+this protocol is useless at best
+and enables abuse at worst.
+.It
 Cleartext IRC:
 TLS is now ubiquitous
 and certificates are easy to obtain.