• New config option allow_message_corrections
  which, if set to last, limits editing of sent messages to the last message sent.
• Bugfix: Don't treat every duplicate message ID as a message correction; since some clients don't use globally unique ID's this causes false positives.
• Bugfix: process stanzas from mam one-by-one in order to correctly process message receipts
• #1712: TypeError: plugin._features is not a function
• #1714: Don't notify the user in case we're receiving a message delivery receipt only
• #1739: New config option assets_path
  which lets you set the path from which "chunks" are loaded.