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6.3 - Published 01/09/2026

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@RealRaven2000 RealRaven2000 released this 01 Sep 12:44

Important for Release channel users (154 and later): With Thunderbird's new 2-week release cycle, there is an elevated risk of unexpected breakages. While I regularly test SmartTemplates against daily builds, timely fixes depend on early reporting from Release users. Please follow the issue tracker and report any regressions promptly to help maintain compatibility.

Improvements

  • FiltaQuilla is now compatible with Thunderbird 157.*.
  • Updated the Swedish translation, many thanks to Jonatan Nyberg (@NickWick13) PR #410.
  • Replaced the legacy ToneQuilla sound-playing code with WebExtension methods issue #404.
  • Added a desktop notification filter action - clicking the notification opens the original message. This initial version of the feature shows one notification for each mail; collated message lists with individual links are planned for a future version issue #240.
  • Updated script loading where required for Thunderbird 155 compatibility issue #411.

Bug Fixes

TO DO NEXT

  • Restore the “Folder Name” search term on newer Thunderbird versions issue #377.
  • Support custom filenames when saving or detaching attachments issue #219.
  • Review attachRegEx_match for current Thunderbird versions.

Support My Work

As I am often asked about added features for filter conditions and actions for my add-on quickFilters, FiltaQuilla is a better location for extending filter behavior—specifically by adding new types of actions and conditions. If you want to support the FiltaQuilla project, please install quickFilters and purchase a quickFilters Pro license. You can also donate directly here.