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Lightning Version History

55 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 5.4 4.7 MiB Works with SeaMonkey 2.49 - 2.49.*, Thunderbird 52.0 - 52.*

Version 4.7.8 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.8.0 - 45.*

Version 4.7.7 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.7.0 - 45.*

Version 4.7.6 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.6.0 - 45.*

Version 4.7.5 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.5.0 - 45.*

Version 4.7.4 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.0 - 45.*

Version 4.7.3 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.0 - 45.*

Version 4.7.2 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.2.0 - 45.*

Version 4.7.1 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.1.0 - 45.*

Version 4.7 4.7 MiB Works with SeaMonkey 2.42 - 2.42.*, Thunderbird 45.0 - 45.*

Version 4.0.5.2 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.4.1 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.3.1 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.3.0 - 38.*

Version 4.0.2.1 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.2 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.1.2 6.4 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.1 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 4.0.0.1 6.3 MiB Works with SeaMonkey 2.35 - 2.35.*, Thunderbird 38.0 - 38.*

Version 3.3.3 4.3 MiB Works with SeaMonkey 2.28 - 2.28.*, Thunderbird 31.0 - 31.*

* Added locales cy, fi, pt-BR, tr.

Version 3.3.2 4.1 MiB Works with SeaMonkey 2.28 - 2.28.*, Thunderbird 31.0 - 31.*

* Fixed locales that went missing in Lightning 3.3.1
* Added gd and lt locales.

Version 3.3.1 4.0 MiB Works with SeaMonkey 2.28 - 2.28.*, Thunderbird 31.0 - 31.*

Version 3.3 4.0 MiB Works with SeaMonkey 2.28 - 2.28.*, Thunderbird 31.0 - 31.*

Version 2.6.6 3.5 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.1.1 - 24.*

Version 2.6.5 3.5 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.1.1 - 24.*

Version 2.6.4 2.4 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.1.1 - 24.*

Version 2.6.3 3.5 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.1.1 - 24.*

Version 2.6.2 3.5 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.1.0 - 24.1.0

Version 2.6.1 3.5 MiB Works with SeaMonkey 2.21 - 2.21.*, Thunderbird 24.0.1 - 24.0.1

Version 2.6 3.5 MiB Works with SeaMonkey 2.21 - 2.21, Thunderbird 24.0 - 24.0

  • On Windows, the binary component is now signed. This avoids issues with some virus scanners.
  • It is now possible to make a recurring event finite without opening the custom recurrence dialog (see your event dialog).
  • You can now create a monthly recurring event on the last day of the month.
  • Events can have multiple categories, selection is available in the event dialog.
  • Updated to the latest timezone information 2013d.
  • Its now more obvious what to do when no calendars support email invitations.
  • Support for Google Calendar via CalDAV using their new v2 endpoint.
  • Mac and Linux now support overlay scrollbars, giving you more room in the month view.
  • Some view related performance fixes.
Important Information:
If you are using Google Calendar via CalDAV, you MUST upgrade to the newest endpoint. Please see this blog post for more details.

Version 1.9.1 2.6 MiB Works with SeaMonkey 2.14 - 2.14.*, Thunderbird 17.0 - 17.*