News / Changelog



  • Allow SHOW_INACTIVE_LISTS_DEFAULT setting to be configurable. (Closes #276)
  • Fix a bug where the user couldn’t chose the address to send reply or new post as. (Closes #288)
  • Improve the Django admin command reference from hyperkitty_import. (Closes #281)
  • Fix FILTER_VHOST to work with web hosts other than the email host. (Closes #254)
  • Fixed a bug where export can fail if certain headers are wrapped. (Closes #292)
  • Fixed hyperkitty_import to allow odd line endings in a folded message subject. (Closes #280)
  • Fixed a bug that could throw an IndexError when exporting messages. (Closes #293)
  • Use errors='replace' when encoding attachments. (Closes #294)



  • Remove support for Django 1.11. (Closes #273)
  • Skip Thread.DoesNotExist exception when raised within rebuild_thread_cache_votes. (Closes #245)
  • Send 400 status code for ValueError when archiving. (Closes #271)
  • Fix a bug where exception for elasticsearch backend would not be caught. (Closes #263)



  • Add support to delete mailing list. (Closes #3)
  • Fix a bug where messages with attachments would skip adding the body when exporting the email. (Closes #252)
  • Fix a bug where exporting mbox with messages that have attachments saved to disk would raise exception and return a corrupt mbox. (Closes #258)
  • Fix a bug where downloaded attachments are returned as a memoryview object instead of bytes and hence fail to download. (Closes #247)
  • Fix a bug where migrations would fail with exceptions on postgresl. (Closes #266)
  • Add support for Django 3.0.
  • Add support for Python 3.8 with Django 2.2.



  • Unread messages now have a blue envelope icon, instead of a gray one before to to make them more visible.
  • Quoted text in emails have different visual background to improve readability.
  • Quoted text is now visually quoted to 3 levels of replies with different visual background to improve readability.
  • Add a new “All Threads” button in MailingList overview page to point to all the the threads in reverse date order. This should give a continuous list of threads.
  • Fixes a bug where “All Threads” button leads to 500 page if there aren’t any threads. (Closes #230)
  • Add support for Django 2.2.
  • Fix a bug where bad Date header could cause hyperkitty_import to exit with TypeError due to bad date type.
  • Change the Overview page to remove the List of months from left side bar and convert different thread categories into tabs.
  • Replace unmaintained lockfile dependency with flufl.lock.
  • Remove SingletonAsync implementation of AsyncTask and use the upstream version for better maintenance.
  • Run update_index job hourly by default instead of minutely for performance reasons of whoosh.
  • Email body now preserves leading whitespaces on lines and wraps around line boundary. (Closes #239)
  • Do not indent replies on small screens. (Closes #224)
  • Add a keyboard shortcut ? to bring up list of keyboard shortcuts.
    (Closes #240)



  • paintstore is no longer a dependency of Hyperkitty. This change requires that people change their and remove paintstore from INSTALLED_APPS. (See #72)
  • Folded Message-ID headers will no longer break threading. (#216)
  • MailingList descriptions are no longer a required field. This makes HyperKity more aligned with Core. (Closes #211)



  • Several message defects that would cause hyperkitty_import to abort will now just cause the message to be skipped and allow importing to continue. (#183)
  • If an imported message has no Date: header, hyperkitty_import will now look for Resent-Date: and the unixfrom date before archiving the message with the current date. (#184)
  • Add support for Django 2.1. Hyperkitty now supports Django 1.11-2.1 (#193)



  • Handle email attachments returned by Scrubber as bytes or as strings with no specified encoding. (#171)
  • Remove robotx.txt from Hyperkitty. It wasn’t working correctly anyway. If you still need it, serve it from the webserver directly. (#176)
  • Add the possibility to store attachments on the filesystem, using the HYPERKITTY_ATTACHMENT_FOLDER config variable.
  • If a message in the mbox passed to hyperkitty_import is missing a Message-ID, a generated one will be added. (#180)
  • There is a new management command update_index_one_list to update the search index for a single list. (#175)



  • Use an auto-incrementing integer for the MailingLists’s id. WARNING: this migration will take a very long time (hours!) if you have a lot of emails in your database.
  • Protect a couple tasks against thread and email deletion
  • Improve performance in the cache rebuilding async task
  • Drop the mailman2_download command. (#148)
  • Adapt to the newest mailmanclient version (3.1.1).
  • Handle the case when a moderated list is opened and there are pending subscriptions. (#152)
  • Protect export_mbox against malformed URLs. (#153)



  • Fix the Javascript in the overview page
  • Make two Django commands compatible with Django >= 1.10
  • Fix sorting in the MailingList’s cache value
  • Don’t show emails before they have been analyzed
  • Fix slowdown with PostgreSQL on some overview queries



  • Add an async task system, check out the installation documentation to run the necessary commands.
  • Support Django < 1.11 (support for 1.11 will arrive soon, only a dependency is not compatible).
  • Switch to the Allauth login library
  • Performance optimizations.
  • Better REST API.
  • Better handling of email sender names.
  • Improve graphic design.



  • Switch from LESS to Sass
  • Many graphical improvements
  • The SSLRedirect middleware is now optional
  • Add an “Export to mbox” feature
  • Allow choosing the email a reply or a new message will be sent as



  • Adapt to the port of Mailman to Python3
  • Merge KittyStore into HyperKitty
  • Split off the Mailman archiver Plugin in its own module: mailman-hyperkitty
  • Compatibility with Django 1.7



Many significant changes, mostly on: * The caching system * The user page * The front page * The list overview page



Here are the significant changes since 0.1.4:

  • Merge and compress static files (CSS and Javascript)
  • Django 1.5 compatibility
  • Fixed REST API
  • Improved RPM packaging
  • Auto-subscribe the user to the list when they reply online
  • New login providers: generic OpenID and Fedora
  • Improved page loading on long threads: the replies are loaded asynchronously
  • Replies are dynamically inserted in the thread view



Here are the significant changes:

  • Beginning of RPM packaging
  • Improved documentation
  • Voting and favoriting is more dynamic (no page reload)
  • Better emails display (text is wrapped)
  • Replies are sorted by thread
  • New logo
  • DB schema migration with South
  • General style update (Boostream, fluid layout)

0.1 (alpha)


Initial release of HyperKitty.

  • login using django user account / browserid / google openid / yahoo openid
  • use Twitter Bootstrap for stylesheets
  • show basic list info and metrics
  • show basic user profile
  • Add tags to message threads