Changes in synapse v0.18.6 (2017-01-06)

Bug fixes:

• Fix bug when checking if a guest user is allowed to join a room (PR #1772)

Changes in synapse v0.18.6-rc3 (2017-01-05)

Bug fixes:

• Fix bug where we failed to send ban events to the banned server (PR #1758)
• Fix bug where we sent event that didn't originate on this server to
  other servers (PR #1764)
• Fix bug where processing an event from a remote server took a long time
  because we were making long HTTP requests (PR #1765, PR #1744)

Changes:

• Improve logging for debugging deadlocks (PR #1766, PR #1767)

Changes in synapse v0.18.6-rc2 (2016-12-30)

Bug fixes:

• Fix memory leak in twisted by initialising logging correctly (PR #1731)
• Fix bug where fetching missing events took an unacceptable amount of time in
  large rooms (PR #1734)

Changes in synapse v0.18.6-rc1 (2016-12-29)

Bug fixes:

• Make sure that outbound connections are closed (PR #1725)