Some features are temporarily disabled while we perform website maintenance. We'll be back to full capacity shortly.

Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

Extension Test Version History

35 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 2.16.1-signed.1-let-fixed.1-signed 79.9 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 39.0

  • Fix crash.

Download Now Download Anyway

Version 2.15.1-signed.1-signed 79.4 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

  • Fix Minefield.
  • Add preference to automatically install extensions after startup for external test harness scripts.
  • Minor cleanup and bug fixes.

Download Now Download Anyway

Version 2.14.1-signed.1-signed 78.7 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

  • Add monitor for slow main thread SQL.

Download Now Download Anyway

Version 2.13.1-signed.1-signed 74.5 KiB Works with SeaMonkey 2.0b1 - 2.26, Thunderbird 5.0 - 18.*

  • Better support for Australis.

Download Now Download Anyway

Version 2.12.5.1-signed.1-signed 74.3 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

  • Fewer false positives in tracker checks.
  • Less noisy jQuery tests.

Download Now Download Anyway

Version 2.12.4.1-signed.1-signed 73.8 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 24.0a2

  • Add tracking for certain kinds of tracking URL fetches.
  • More monetization URL tracking.

Download Now Download Anyway

Version 2.12.3.1-signed.1-signed 73.0 KiB Works with SeaMonkey 2.0b1 - 2.20.*, Thunderbird 5.0 - 23.*

  • Add tests for injection of monitization scripts.
  • Use same logic for mixed content checks as the builtin mixed content blocker.

Download Now Download Anyway

Version 2.12.2.1-signed.1-signed 73.0 KiB Works with SeaMonkey 2.0b1 - 2.20.*, Thunderbird 5.0 - 18.*

  • Add tests for injection of monitization scripts.
  • Use same logic for mixed content checks as the builtin mixed content blocker.

Download Now Download Anyway

Version 2.12.1.1-signed.1-signed 71.4 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 21.*

  • Support Firefox 22.

Download Now Download Anyway

Version 2.12.1-signed.1-signed 71.4 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

  • Remove last stray E4X reference.
  • Add a blocklist server selector for testing add-on blocks.

Download Now Download Anyway

Version 2.11.1-signed.1-signed 71.4 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

Download Now Download Anyway

Version 2.10.1-signed.1-signed 73.8 KiB Works with SeaMonkey 2.0b1 - 2.14.*, Thunderbird 5.0 - 18.*

Download Now Download Anyway

Version 2.9.1-signed.1-signed 72.5 KiB Works with SeaMonkey 2.0b1 - 2.16.*, Thunderbird 3.0b3 - 17.*

  • Make Ctrl+Q work on Windows.
  • Explain "this.docShell is null" error in Error Console.
  • Make compartment counter work on recent Firefoxen.

Download Now Download Anyway

Version 2.8.1-signed.1-signed 72.0 KiB Works with SeaMonkey 2.0b1 - 2.15a1, Thunderbird 3.0b3 - 16.*

  • Detects insecure remote content injected into secure sites. Note that this does not distinguish between content injected by extensions and content injected by the sites themselves, it only relates that insecure content was injected and what that content was. It will also not currently detect injected content with secure URLs which nonetheless breaks security because of insecure redirects.

Download Now Download Anyway

Version 2.7.8.1-signed.1-signed 70.8 KiB Works with SeaMonkey 2.0b1 - 2.13a1, Thunderbird 3.0b3 - 16.0a1

  • Disable XMLHttpRequest checks by default due to issues with certain Jetpack add-ons.
  • Fix XMLHttpRequest checks from certain contexts on Firefox 14.
  • Fix compartment counting issues in recent versions of Firefox.

Download Now Download Anyway

Version 2.7.7.1-signed.1-signed 69.1 KiB Works with SeaMonkey 2.0b1 - 2.12a1, Thunderbird 3.0b3 - 15.0a1

  • Fix inter-compartment E4X passing errors in Gecko 15.

Download Now Download Anyway

Version 2.7.6.1-signed.1-signed 69.1 KiB Works with SeaMonkey 2.0b1 - 2.10a1, Thunderbird 3.0b3 - 13.0a1

  • Added a check for incremental garbage collection being disabled.
  • Added extra Minimize memory menu entry.

Download Now Download Anyway

Version 2.7.5.1-signed.1-signed 67.5 KiB Works with SeaMonkey 2.0b1 - 2.10a1, Thunderbird 3.0b3 - 13.0a1

  • Coalesce multiple similarly named compartments and add a count.
  • Update widgets immediately after running Minimize memory.

Download Now Download Anyway

Version 2.7.4.1-signed.1-signed 67.2 KiB Works with SeaMonkey 2.0b1 - 2.10a1, Thunderbird 3.0b3 - 13.0a1

  • Fix ID scanning bug introduced in last version.

Download Now Download Anyway

Version 2.7.3.1-signed.1-signed 67.2 KiB Works with SeaMonkey 2.0b1 - 2.10a1, Thunderbird 3.0b3 - 13.0a1

  • Add missing locale strings.

Download Now Download Anyway

Version 2.7.1.1-signed.1-signed 66.5 KiB Works with SeaMonkey 2.0b1 - 2.9a1, Thunderbird 3.0b3 - 12.0a1

  • Attempts to generate lazily instantiated DOM nodes when IDs are reset from the status bar.
  • Checks for extant compartments.
  • Better unsafe iframe tests

Download Now Download Anyway

Version 2.6.3.1-signed.1-signed 64.1 KiB Works with SeaMonkey 2.0b1 - 2.9a1, Thunderbird 3.0b3 - 12.0a1

  • Remove obsolete relative XHR test.
  • Fix unnecessary jQuery tag creation warnings.
  • Change devtools.chrome.enabled default to true.
  • Add pl locale (thanks teo from BabelZilla)

Download Now Download Anyway

Version 2.6.2.1-signed.1-signed 62.0 KiB Works with SeaMonkey 2.0b1 - 2.8a1, Thunderbird 3.0b3 - 11.0a1

  • Fix Minefield compatibility issue.

Download Now Download Anyway

Version 2.6.1.1-signed.1-signed 61.5 KiB Works with SeaMonkey 2.0b1 - 2.7a1, Thunderbird 3.0b3 - 11.0a1

  • Updated locales.
  • Minor compatibility update.

Download Now Download Anyway

Version 2.6.1-signed.1-signed 60.5 KiB Works with SeaMonkey 2.0b1 - 2.7a1, Thunderbird 3.0b3 - 10.0a1

  • Add checks for dangerous uses of jQuery in chrome windows.
  • Improved messages and descriptions.
  • Improved startup performance.
  • Added restart item to the Add-on Bar button menu.
  • Added Alt+x/⌘-x key binding for the Add-on Bar button menu.

Download Now Download Anyway

Version 2.5.1.1-signed.1-signed 54.9 KiB Works with SeaMonkey 2.0b1 - 2.7a1, Thunderbird 3.0b3 - 10.0a1

  • Fix a performance regression

Download Now Download Anyway

Version 2.5.1-signed.1-signed 53.4 KiB Works with SeaMonkey 2.0b1 - 2.6a1, Thunderbird 3.0b3 - 9.0a1

  • Add pt-BR and zh-CN locales.
  • Add new preference branch tests.
  • Better privileged document load heuristics.
  • Add workarounds for some badly behaved protocol handlers.

Download Now Download Anyway

Version 2.4.1.1-signed.1-signed 51.0 KiB Works with SeaMonkey 2.0b1 - 2.5a1, Thunderbird 3.0b3 - 8.0a1

  • Updated de locale.

Download Now Download Anyway

Version 2.4.1-signed.1-signed 53.4 KiB Works with SeaMonkey 2.0b1 - 2.4a1, Thunderbird 3.0b3 - 7.0a1

  • Adds simple heuristic check for common key loggers which have surfaced recently.
  • Adds check for remote documents loaded into chrome-privileged windows.

Download Now Download Anyway

Version 2.3.1-signed.1-signed 46.6 KiB Works with SeaMonkey 2.0b1 - 2.4a1, Thunderbird 3.0b3 - 7.0a1

  • Fix typo in options dialog.

Download Now Download Anyway