6.11. - Published 27/01/2026

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Added option for extracting parent folder names in default filter naming rules for Move/Copy actions [issue #290]
• Allow merging of a single mail to group filter [issue #342]
• Enhanced Filter Naming: configurable blacklist that removes words from subject and possibility to extract multiple bracketed expressions from an email subject. [issue #343]
• Improved subject matching: detect subjects starting with the same word combos [issue #344]

Bug Fixes

• Fixed: Message Filters ⇒ New... ⇒ Copy... creates TWO Copies. [issue #341]

Miscellaneus

• Retired the old settings dialog (xul will be deprecated in the future)

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.10 - Published 04/01/2026

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Set Compatibility with Thunderbird 148 - unfortunately the Add-on review policies for Add-ons with "experimental" APIs do not allow us to remove strict_max_version from manifest.json
• Improved startup stability [issue #339]
• Improved default filter names based on Custom Templates [issue #335]
• Added a configurable keyboard shortcut for 'Create Filter from Message' [issue #334]
• If the quickFilters assistant is already open, trying to start a new one will bring the existing window to the front instead of opening another. (quickFilters.Worker.createQuickFilterLock)

Bug Fixes

• Fixed: The Thunderbird filter editor was missing the search term edit box when search terms did not retrieve any value (e.g. no Reply-To, missing mail tags) [issue #338]
• Fixed: After quickFilters 6.9.2 HTML Assistant - "Automatically select Merge" was not honored (needed to be selected each time) [issue #331]
• Fixed: Extend License button opens 2 tabs [issue #333]

Miscellaneus

• Custom Template Editor / Filter Editor: gFilter was removed in modern versions of Thunderbird
• Removed invalid permissions folders and mailTab from manifest.

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.9.2 - Published 03/11/2025

The full log with screenshots is available at: quickFilters Change Log

Maintenance Release 6.9.2

• Compatibility with Thunderbird 146
• Set HTML Assistant as default
• Added the targeted filter name to the edit filter button for clarity.
• Improved merging filters in the new HTML assistant: API calls are now more robust and the data type problem in the new Filters API is fixed
• Fix: Always reliably remove "Go Pro" menu item when news are displayed with a valid license
• Removed assignments to innerHTML in update/install welcome screens

Maintenance Release 6.9.1

• Various accessibility improvements in the new HTML settings dialog including life URL updates, correct reusing of an already existing tab.
• Update of settings heading logo to reflect license status
• Fixed: The new HTML Settings quickFilters Pro page was not configured properly without license key [issue #330]
• Fixed: Current folder buttons (on the QuickFolders toolbar) don't update immediately [issue #328]
• Added in HTML settings: Click on expiry date to show "extend license" button. [issue #329]

Improvements

• Compatibility with Thunderbird 145
• Converted Settings Dialog from XUL to HTML [issue #325]
• Removed obsolete "Start Filter Assistant" from Composer's tool menu [issue #324]

Bug Fixes

• Fixed: Merging filters broken in new html assistant [issue #322] [issue #327]
• Fixed: Thunderbird 143: Custom Filter Template elements missing [issue #326]
• Fixed: "Mailing List" filter template shows alert: "currentHeaderData is not defined" [issue #323]

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.9.1 - Published 30/10/2025

The full log with screenshots is available at: quickFilters Change Log

Maintenance Release 6.9.1

• Various accessibility improvements in the new HTML settings dialog including life URL updates, correct reusing of an already existing tab.
• Update of settings heading logo to reflect license status
• Fixed: The new HTML Settings quickFilters Pro page was not configured properly without license key [issue #330]
• Fixed: Current folder buttons (on the QuickFolders toolbar) don't update immediately [issue #328]
• Added in HTML settings: Click on expiry date to show "extend license" button. [issue #329]

Improvements

• Compatibility with Thunderbird 145
• Converted Settings Dialog from XUL to HTML [issue #325]
• Removed obsolete "Start Filter Assistant" from Composer's tool menu [issue #324]

Bug Fixes

• Fixed: Merging filters broken in new html assistant [issue #322] [issue #327]
• Fixed: Thunderbird 143: Custom Filter Template elements missing [issue #326]
• Fixed: "Mailing List" filter template shows alert: "currentHeaderData is not defined" [issue #323]

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.9- published 22/10/2025

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Compatibility with Thunderbird 145
• Converted Settings Dialog from XUL to HTML [issue #325]
• Removed obsolete "Start Filter Assistant" from Composer's tool menu [issue #324]

Bug Fixes

• Fixed: Merging filters broken in new html assistant [issue #322] [issue #327]
• Fixed: Thunderbird 143: Custom Filter Template elements missing [issue #326]
• Fixed: "Mailing List" filter template shows alert: "currentHeaderData is not defined" [issue #323]

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.8.3 - Published 22/09/2025

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Compatibility with Thunderbird 144
• Improved quickFilters integration with QuickFolders — button injection & current folder toolbar fixes [issue #321]
• Improved help button icon in assistant
• Added option in settings dialog to disable version tab after updating [issue #318]
• Improvements in [issue #319]

Bug Fixes

• Fixed menu icons broken in Thunderbird 143 in filter list popup menu and search options [issue #317]

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.8.2 - published 27/08/2025

The full log with screenshots is available at: quickFilters Change Log

Maintenance Release 6.8.2

• Made quickFilters compatible with Tb 143.*
• Regression Fixed: Cannot copy messages using the "Move To" / "copy To" messages context menu [issue #320]
• Regression Fixed - (Thunderbird 143 and later): menu icons of main toolbar button missing [issue #317]
• added switch extensions.quickfilters.notifications.changelog to disable version tab [issue #318] User interface will be implemented in a near future version

Improvements

• Made quickFilters compatible with Tb 142.*
• Converted Filter Assistant window from XUL to HTML for better responsiveness and readability. This change future-proofs quickFilters, as the old XUL-based format will eventually be unsupported. [issue #309]
• Added option in quickFilters settings (Actions page) to enable the new HTML interface.
• Improved settings dialog to avoid vertical truncation.
• Improved handling of recipients/author retrieved from a message during the assistant.
• Improved filter search: avoids being misled by old/incorrect account keys which can result from importing account data or renaming/moving accounts.
• Implemented [Enter] and [Escape] keys to cause default action / close in filter assistant #231

Bug Fixes

• Fixed “Find filters” and “Run Filters” items in the folder context menu so they now work on the right-clicked folder rather than the selected mails. [issue #313]#

6.8.1 Changes

• 6.8.1: Call new html assistent dialog from "merge" function in filter list.
• 6.8.1: During merge, removed code that disabled target folder option (triggered by starred mails)

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.8.1 - published 18/08/2025

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Made quickFilters compatible with Tb 142.*
• Converted Filter Assistant window from XUL to HTML for better responsiveness and readability. This change future-proofs quickFilters, as the old XUL-based format will eventually be unsupported. [issue #309]
• Added option in quickFilters settings (Actions page) to enable the new HTML interface.
• Improved settings dialog to avoid vertical truncation.
• Improved handling of recipients/author retrieved from a message during the assistant.
• Improved filter search: avoids being misled by old/incorrect account keys which can result from importing account data or renaming/moving accounts.

Known Issues

• Cannot copy messages using the "Move To" / "copy To" messages context menu #320

Bug Fixes

• Fixed “Find filters” and “Run Filters” items in the folder context menu so they now work on the right-clicked folder rather than the selected mails. [issue #313]#

6.8.1 Changes

• 6.8.1: Call new html assistent dialog from "merge" function in filter list.
• 6.8.1: During merge, removed code that disabled target folder option (triggered by starred mails)

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.8 - Published 13/08/2025

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Made quickFilters compatible with Tb 142.*
• Converted Filter Assistant window from XUL to HTML for better responsiveness and readability. This change future-proofs quickFilters, as the old XUL-based format will eventually be unsupported. [issue #309]
• Added option in quickFilters settings (Actions page) to enable the new HTML interface.
• Improved settings dialog to avoid vertical truncation.
• Improved handling of recipients/author retrieved from a message during the assistant.
• Improved filter search: avoids being misled by old/incorrect account keys which can result from importing account data or renaming/moving accounts.

Bug Fixes

• Fixed “Find filters” and “Run Filters” items in the folder context menu so they now work on the right-clicked folder rather than the selected mails. [issue #313]

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.

6.7 - Published 23/07/2025

The full log with screenshots is available at: quickFilters Change Log

Improvements

• Made quickFilters compatible with Tb 141.*
• Added a new context menu option to run filters automatically on folders other than Inbox (IMAP only). [issues #318, #305]
• Improved duplicate filter detection related to tags.

Bug Fixes

• Major update to support changes in Thunderbird 141.*
• Fixed critical issue caused by Thunderbird changing how folder names are handled internally. [issue #308]
• Fixed an issue with custom fields (%from(domain)%, %from%) creating empty search terms during mail moves and filter merges. [issue #301]

Changed in 6.6.1
There was an interim release which wasn't published here as a tagged release. So here are the relevant changes:

• Run Filters on Local Inbox automatically - reimplement for newer Thunderbird versions [issue #299]
• Improved icons to distinguish menu commands which run filters from other ones

All development and free support work for quickFilters is financed via the quickFilters Pro license which also adds some additional features.