RT 4.0.18 released

We’re pleased to announce that RT 4.0.18 is now available.


SHA1 sums

c023227267b6fdfc4514b233d53e1b1bc31b51a1 rt-4.0.18.tar.gz
d3fb6f14b3bd51cd25cf5681d1ae668701ddc4fb rt-4.0.18.tar.gz.sig

This release is primarily a bugfix release; most notably, it addresses
compatibility issues with recent versions of the Encode perl module.
Notable changes include:


  • Cope with Encode version 2.33 and later, which altered their internal
    functionality and caused RT to double-encode Subject lines in
    outgoing email.
  • Fix HTML rendering errors in dashboard emails.
  • Fix overzealous quoting around decoded MIME words.


  • In the rights UI, entering the name of a user or group which already
    has rights will now correctly select them for rights granting, as if
    their name had been selected.
  • Display types in the “applies to” dropdown for custom fields in
    consistent order
  • Paginate the Queues list in the administrative interface into 50
    results per page.
  • Support for cascading selections with a multiple-select parent.
  • Clarify that $ParseNewMessageForTicketCcs only applies to new, and
    not existing, tickets.
  • Clarify how an undefined $RTAddressRegexp is treated, and that it
    does not come at any notable performance penalty.


  • Fix verbosity of syslog messages; now only the ‘debug’ level includes
    originating filename and line.
  • Include process ID in log messages, for ease of isolation in a
    multi-process environment.
  • Log the From: address of incoming mail which triggered an error, for
    ease of debugging.

Other Bugfixes

  • Avoid linking trailing punctuation, or html tags, in URL anchors in
  • Fix the Quick Search (QueueSummary) portlet when non-lowercase statuses are used.
  • Show Date and DateTime custom fields in the user’s format and time
    zone in search results.
  • Allow rt-email-group-admin to be passed an email address that RT is
    not already aware of.
  • Show submitted content from the user on errors in REST submission,
    for ease of re-editing and re-submission.

A complete changelog is available from git by running:
git log rt-4.0.17…rt-4.0.18
or visiting
Comparing rt-4.0.17...rt-4.0.18 · bestpractical/rt · GitHub

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