Which is the proper way to add Lightning calendar to Thunderbird (60+)?












9















A recent update of Thunderbird in Ubuntu (version 60.2.1) broke the Lightning calendar installed as add-on. See here. Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not, so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla (5.4, only useful for Thunderbird 52).



One suggested option is to search and install beta releases provided by Mozilla, but it looks as a workaround (future automatic updates are compromised). Another is to delete the non-compatible Ligthning add-on and install a separate package (xul-ext-lightning) via apt, but it is not localised (only available in English since at least 2010).



So, which is the proper "future-proof" way to install Lightning in Mozilla Thunderbird from now on (as intended by Ubuntu maintainers)?




  1. Remove the internal add-on (.xpi) and install (xul-ext-lightning) [this package will be updated accordingly, together with Thunderbird and, eventually, localised]

  2. Keep the Mozilla add-on until the mismatch with Thunderbird apt package is fixed

  3. Remove the add-on and wait until a future Thunderbird apt package provides it integrated (as Mozilla bundles it for other platforms)










share|improve this question




















  • 1





    Option #1 is the fix.

    – heynnema
    Oct 18 '18 at 14:20






  • 1





    @heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

    – Rmano
    Oct 18 '18 at 14:42











  • FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

    – Rmano
    Oct 18 '18 at 14:45








  • 1





    @Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

    – heynnema
    Oct 18 '18 at 14:49











  • @heynnema yes it finally killed off my beloved FireTray. heavy sigh

    – Organic Marble
    Oct 18 '18 at 19:55
















9















A recent update of Thunderbird in Ubuntu (version 60.2.1) broke the Lightning calendar installed as add-on. See here. Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not, so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla (5.4, only useful for Thunderbird 52).



One suggested option is to search and install beta releases provided by Mozilla, but it looks as a workaround (future automatic updates are compromised). Another is to delete the non-compatible Ligthning add-on and install a separate package (xul-ext-lightning) via apt, but it is not localised (only available in English since at least 2010).



So, which is the proper "future-proof" way to install Lightning in Mozilla Thunderbird from now on (as intended by Ubuntu maintainers)?




  1. Remove the internal add-on (.xpi) and install (xul-ext-lightning) [this package will be updated accordingly, together with Thunderbird and, eventually, localised]

  2. Keep the Mozilla add-on until the mismatch with Thunderbird apt package is fixed

  3. Remove the add-on and wait until a future Thunderbird apt package provides it integrated (as Mozilla bundles it for other platforms)










share|improve this question




















  • 1





    Option #1 is the fix.

    – heynnema
    Oct 18 '18 at 14:20






  • 1





    @heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

    – Rmano
    Oct 18 '18 at 14:42











  • FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

    – Rmano
    Oct 18 '18 at 14:45








  • 1





    @Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

    – heynnema
    Oct 18 '18 at 14:49











  • @heynnema yes it finally killed off my beloved FireTray. heavy sigh

    – Organic Marble
    Oct 18 '18 at 19:55














9












9








9


2






A recent update of Thunderbird in Ubuntu (version 60.2.1) broke the Lightning calendar installed as add-on. See here. Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not, so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla (5.4, only useful for Thunderbird 52).



One suggested option is to search and install beta releases provided by Mozilla, but it looks as a workaround (future automatic updates are compromised). Another is to delete the non-compatible Ligthning add-on and install a separate package (xul-ext-lightning) via apt, but it is not localised (only available in English since at least 2010).



So, which is the proper "future-proof" way to install Lightning in Mozilla Thunderbird from now on (as intended by Ubuntu maintainers)?




  1. Remove the internal add-on (.xpi) and install (xul-ext-lightning) [this package will be updated accordingly, together with Thunderbird and, eventually, localised]

  2. Keep the Mozilla add-on until the mismatch with Thunderbird apt package is fixed

  3. Remove the add-on and wait until a future Thunderbird apt package provides it integrated (as Mozilla bundles it for other platforms)










share|improve this question
















A recent update of Thunderbird in Ubuntu (version 60.2.1) broke the Lightning calendar installed as add-on. See here. Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not, so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla (5.4, only useful for Thunderbird 52).



One suggested option is to search and install beta releases provided by Mozilla, but it looks as a workaround (future automatic updates are compromised). Another is to delete the non-compatible Ligthning add-on and install a separate package (xul-ext-lightning) via apt, but it is not localised (only available in English since at least 2010).



So, which is the proper "future-proof" way to install Lightning in Mozilla Thunderbird from now on (as intended by Ubuntu maintainers)?




  1. Remove the internal add-on (.xpi) and install (xul-ext-lightning) [this package will be updated accordingly, together with Thunderbird and, eventually, localised]

  2. Keep the Mozilla add-on until the mismatch with Thunderbird apt package is fixed

  3. Remove the add-on and wait until a future Thunderbird apt package provides it integrated (as Mozilla bundles it for other platforms)







apt thunderbird extension lightning






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Oct 26 '18 at 17:56







FairMiles

















asked Oct 18 '18 at 13:32









FairMilesFairMiles

16012




16012








  • 1





    Option #1 is the fix.

    – heynnema
    Oct 18 '18 at 14:20






  • 1





    @heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

    – Rmano
    Oct 18 '18 at 14:42











  • FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

    – Rmano
    Oct 18 '18 at 14:45








  • 1





    @Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

    – heynnema
    Oct 18 '18 at 14:49











  • @heynnema yes it finally killed off my beloved FireTray. heavy sigh

    – Organic Marble
    Oct 18 '18 at 19:55














  • 1





    Option #1 is the fix.

    – heynnema
    Oct 18 '18 at 14:20






  • 1





    @heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

    – Rmano
    Oct 18 '18 at 14:42











  • FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

    – Rmano
    Oct 18 '18 at 14:45








  • 1





    @Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

    – heynnema
    Oct 18 '18 at 14:49











  • @heynnema yes it finally killed off my beloved FireTray. heavy sigh

    – Organic Marble
    Oct 18 '18 at 19:55








1




1





Option #1 is the fix.

– heynnema
Oct 18 '18 at 14:20





Option #1 is the fix.

– heynnema
Oct 18 '18 at 14:20




1




1





@heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

– Rmano
Oct 18 '18 at 14:42





@heynnema, option #1 is the fix if you are ok with the calendar in English. Given that xul-ext-lightning has not been fixed for i18n in the last 10 years, i would not hold my breath.

– Rmano
Oct 18 '18 at 14:42













FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

– Rmano
Oct 18 '18 at 14:45







FairMiles, it's not at all "future-proof" (and risky versus possible critical bug-fixes) but another option is to stick with an old version until a fix is out.

– Rmano
Oct 18 '18 at 14:45






1




1





@Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

– heynnema
Oct 18 '18 at 14:49





@Rmano but you have to downgrade Thunderbird to use the old Lightning add-on. Extra note... TB 60.x disables a lot of existing, working, add-ons... sigh.

– heynnema
Oct 18 '18 at 14:49













@heynnema yes it finally killed off my beloved FireTray. heavy sigh

– Organic Marble
Oct 18 '18 at 19:55





@heynnema yes it finally killed off my beloved FireTray. heavy sigh

– Organic Marble
Oct 18 '18 at 19:55










2 Answers
2






active

oldest

votes


















5















Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not [...]




yes, both do not, but they provide lightning via a seperate package (xul-ext-lightning resp. lightning) in their repositories.

debian also provides lang-packs (lightning-l10n-...) for lightning and ubuntu does not. --> that's IMHO the main issue.




[...] so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla [...]




there isn't really a "mismatch"... for whatever reason mozilla simply does not provide lightning as add-on anymore.
EDIT: have a look at the last section of this answer.




(5.4, only useful for Thunderbird ≤52)




to avoid further confusion: lightning 5.4 is only intended to work with thunderbird 52.0!





there is no "one and only right solution" because every workaround has it's pros & cons and depends on your preferences and skills... nonetheless i try to prioritize them:




  1. (if you are ok with lightning in english) the best is definitely to uninstall the lightning-addon and install lightning (xul-ext-lightning) via the repositories:
    https://askubuntu.com/a/1084095/354350


EDIT: at the latest now jump to the last section of this answer.




  1. if you need a different language, probably extracting the {e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi (=lightning-addon) from the official mozilla-releases (for every release) and installing into your profile via the addon-manager may be a reasonable workaround:
    https://askubuntu.com/a/1084220/354350

  2. you can also use the archive provided by mozilla as a whole and update it on its own. - the packages (thunderbird* and xul-ext-lightning) from the repository should be uninstalled in this case.

  3. if you are not afraid of potential bugs and do frequent backups of your data, installing the lightning-betas may also work for you:
    https://askubuntu.com/a/1084255/354350

  4. if you are a skilled tinkerer, you can perhaps use the debian-packages or parts of it (eventually with auto-update), but it is very likely you will end in dependency hell!

  5. if you are that skilled and seriously think about the last workaround, creating a PPA with lightnings lang-packs and providing them to all other users may be by far a better utilization of your time.

  6. staying with an old thunderbird <60 for ages and using an already outdated lightning 5.4 is a really bad idea and should definitely be avoided!




there may be 2 future-proof real solutions for all users, but i would not count on that we see even one of them soon:




  • ubuntu should finally fix it's packages and include lang-packs into/for the lightning-package (xul-ext-lightning)! ...as debian does.


  • mozilla could probably release lightning as add-on again and stop forcing users to fiddle around with separately downloaded betas and so on...
    EDIT: since january 2019 (after nearly 2 years) mozilla resp. thunderbird (re)published lightning >=6.2 (for thunderbird >=60) as addon again!






share|improve this answer


























  • Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

    – FairMiles
    Nov 16 '18 at 12:23



















0














Fix for lightning & exchange calendar



Thunderbird did an automatic update this morning to version 60.2.1 and my calendar (this is provided by work MS office365 (exchange) disappeared. I had been living on legacy Lightning and EWS plugins which were now incompatible. So after some effort I am now back up and running - this is what I did:



1) start Thunderbird goto Tools -> Add-ons and remove the incompatible plugins (greyed out) then quit Thunderbird



2) added xul-ext-lighning from repositories using Synaptic



3) restarted Thunderbird open Calendar pane, under the drop-down menu on right of tool bar I found an option to unsubscribe to the now defunct 'Exchange' calendar (I am not sure this is necessary but this is what I did) and I think you could do this directly from the Events and Tasks tab



4) goto Tools -> Add-ons and download and install the TbSync plugin, restart Thunderbird



5) Under the Edit tab select the new entry 'Synchronization Settings (TbSync)'; bottom left click button 'Account actions' -> '+ New account'; fill in details user name, password and exchange server (I had to use 'custom' option as TbSync could not automatically discover the work 365 server address); after a couple of minutes everything synced and calendar and address book were all correctly re-established.



One question I have is I am not sure how to set TbSync to automatically resynchronise or even if this is a problem.



Addendum - Due to change in TbSync, you now need to also download the Exchange Active Sync (EAS) plugin as well






share|improve this answer

























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    2 Answers
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    2 Answers
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    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    5















    Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not [...]




    yes, both do not, but they provide lightning via a seperate package (xul-ext-lightning resp. lightning) in their repositories.

    debian also provides lang-packs (lightning-l10n-...) for lightning and ubuntu does not. --> that's IMHO the main issue.




    [...] so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla [...]




    there isn't really a "mismatch"... for whatever reason mozilla simply does not provide lightning as add-on anymore.
    EDIT: have a look at the last section of this answer.




    (5.4, only useful for Thunderbird ≤52)




    to avoid further confusion: lightning 5.4 is only intended to work with thunderbird 52.0!





    there is no "one and only right solution" because every workaround has it's pros & cons and depends on your preferences and skills... nonetheless i try to prioritize them:




    1. (if you are ok with lightning in english) the best is definitely to uninstall the lightning-addon and install lightning (xul-ext-lightning) via the repositories:
      https://askubuntu.com/a/1084095/354350


    EDIT: at the latest now jump to the last section of this answer.




    1. if you need a different language, probably extracting the {e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi (=lightning-addon) from the official mozilla-releases (for every release) and installing into your profile via the addon-manager may be a reasonable workaround:
      https://askubuntu.com/a/1084220/354350

    2. you can also use the archive provided by mozilla as a whole and update it on its own. - the packages (thunderbird* and xul-ext-lightning) from the repository should be uninstalled in this case.

    3. if you are not afraid of potential bugs and do frequent backups of your data, installing the lightning-betas may also work for you:
      https://askubuntu.com/a/1084255/354350

    4. if you are a skilled tinkerer, you can perhaps use the debian-packages or parts of it (eventually with auto-update), but it is very likely you will end in dependency hell!

    5. if you are that skilled and seriously think about the last workaround, creating a PPA with lightnings lang-packs and providing them to all other users may be by far a better utilization of your time.

    6. staying with an old thunderbird <60 for ages and using an already outdated lightning 5.4 is a really bad idea and should definitely be avoided!




    there may be 2 future-proof real solutions for all users, but i would not count on that we see even one of them soon:




    • ubuntu should finally fix it's packages and include lang-packs into/for the lightning-package (xul-ext-lightning)! ...as debian does.


    • mozilla could probably release lightning as add-on again and stop forcing users to fiddle around with separately downloaded betas and so on...
      EDIT: since january 2019 (after nearly 2 years) mozilla resp. thunderbird (re)published lightning >=6.2 (for thunderbird >=60) as addon again!






    share|improve this answer


























    • Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

      – FairMiles
      Nov 16 '18 at 12:23
















    5















    Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not [...]




    yes, both do not, but they provide lightning via a seperate package (xul-ext-lightning resp. lightning) in their repositories.

    debian also provides lang-packs (lightning-l10n-...) for lightning and ubuntu does not. --> that's IMHO the main issue.




    [...] so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla [...]




    there isn't really a "mismatch"... for whatever reason mozilla simply does not provide lightning as add-on anymore.
    EDIT: have a look at the last section of this answer.




    (5.4, only useful for Thunderbird ≤52)




    to avoid further confusion: lightning 5.4 is only intended to work with thunderbird 52.0!





    there is no "one and only right solution" because every workaround has it's pros & cons and depends on your preferences and skills... nonetheless i try to prioritize them:




    1. (if you are ok with lightning in english) the best is definitely to uninstall the lightning-addon and install lightning (xul-ext-lightning) via the repositories:
      https://askubuntu.com/a/1084095/354350


    EDIT: at the latest now jump to the last section of this answer.




    1. if you need a different language, probably extracting the {e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi (=lightning-addon) from the official mozilla-releases (for every release) and installing into your profile via the addon-manager may be a reasonable workaround:
      https://askubuntu.com/a/1084220/354350

    2. you can also use the archive provided by mozilla as a whole and update it on its own. - the packages (thunderbird* and xul-ext-lightning) from the repository should be uninstalled in this case.

    3. if you are not afraid of potential bugs and do frequent backups of your data, installing the lightning-betas may also work for you:
      https://askubuntu.com/a/1084255/354350

    4. if you are a skilled tinkerer, you can perhaps use the debian-packages or parts of it (eventually with auto-update), but it is very likely you will end in dependency hell!

    5. if you are that skilled and seriously think about the last workaround, creating a PPA with lightnings lang-packs and providing them to all other users may be by far a better utilization of your time.

    6. staying with an old thunderbird <60 for ages and using an already outdated lightning 5.4 is a really bad idea and should definitely be avoided!




    there may be 2 future-proof real solutions for all users, but i would not count on that we see even one of them soon:




    • ubuntu should finally fix it's packages and include lang-packs into/for the lightning-package (xul-ext-lightning)! ...as debian does.


    • mozilla could probably release lightning as add-on again and stop forcing users to fiddle around with separately downloaded betas and so on...
      EDIT: since january 2019 (after nearly 2 years) mozilla resp. thunderbird (re)published lightning >=6.2 (for thunderbird >=60) as addon again!






    share|improve this answer


























    • Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

      – FairMiles
      Nov 16 '18 at 12:23














    5












    5








    5








    Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not [...]




    yes, both do not, but they provide lightning via a seperate package (xul-ext-lightning resp. lightning) in their repositories.

    debian also provides lang-packs (lightning-l10n-...) for lightning and ubuntu does not. --> that's IMHO the main issue.




    [...] so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla [...]




    there isn't really a "mismatch"... for whatever reason mozilla simply does not provide lightning as add-on anymore.
    EDIT: have a look at the last section of this answer.




    (5.4, only useful for Thunderbird ≤52)




    to avoid further confusion: lightning 5.4 is only intended to work with thunderbird 52.0!





    there is no "one and only right solution" because every workaround has it's pros & cons and depends on your preferences and skills... nonetheless i try to prioritize them:




    1. (if you are ok with lightning in english) the best is definitely to uninstall the lightning-addon and install lightning (xul-ext-lightning) via the repositories:
      https://askubuntu.com/a/1084095/354350


    EDIT: at the latest now jump to the last section of this answer.




    1. if you need a different language, probably extracting the {e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi (=lightning-addon) from the official mozilla-releases (for every release) and installing into your profile via the addon-manager may be a reasonable workaround:
      https://askubuntu.com/a/1084220/354350

    2. you can also use the archive provided by mozilla as a whole and update it on its own. - the packages (thunderbird* and xul-ext-lightning) from the repository should be uninstalled in this case.

    3. if you are not afraid of potential bugs and do frequent backups of your data, installing the lightning-betas may also work for you:
      https://askubuntu.com/a/1084255/354350

    4. if you are a skilled tinkerer, you can perhaps use the debian-packages or parts of it (eventually with auto-update), but it is very likely you will end in dependency hell!

    5. if you are that skilled and seriously think about the last workaround, creating a PPA with lightnings lang-packs and providing them to all other users may be by far a better utilization of your time.

    6. staying with an old thunderbird <60 for ages and using an already outdated lightning 5.4 is a really bad idea and should definitely be avoided!




    there may be 2 future-proof real solutions for all users, but i would not count on that we see even one of them soon:




    • ubuntu should finally fix it's packages and include lang-packs into/for the lightning-package (xul-ext-lightning)! ...as debian does.


    • mozilla could probably release lightning as add-on again and stop forcing users to fiddle around with separately downloaded betas and so on...
      EDIT: since january 2019 (after nearly 2 years) mozilla resp. thunderbird (re)published lightning >=6.2 (for thunderbird >=60) as addon again!






    share|improve this answer
















    Mozilla provides Lightning as bundled in the last versions, but Ubuntu (and Debian?) package do not [...]




    yes, both do not, but they provide lightning via a seperate package (xul-ext-lightning resp. lightning) in their repositories.

    debian also provides lang-packs (lightning-l10n-...) for lightning and ubuntu does not. --> that's IMHO the main issue.




    [...] so now there is a mismatch between the Thunderbird version in the repositories and the add-on provided by Mozilla [...]




    there isn't really a "mismatch"... for whatever reason mozilla simply does not provide lightning as add-on anymore.
    EDIT: have a look at the last section of this answer.




    (5.4, only useful for Thunderbird ≤52)




    to avoid further confusion: lightning 5.4 is only intended to work with thunderbird 52.0!





    there is no "one and only right solution" because every workaround has it's pros & cons and depends on your preferences and skills... nonetheless i try to prioritize them:




    1. (if you are ok with lightning in english) the best is definitely to uninstall the lightning-addon and install lightning (xul-ext-lightning) via the repositories:
      https://askubuntu.com/a/1084095/354350


    EDIT: at the latest now jump to the last section of this answer.




    1. if you need a different language, probably extracting the {e2fda1a4-762b-4020-b5ad-a41df1933103}.xpi (=lightning-addon) from the official mozilla-releases (for every release) and installing into your profile via the addon-manager may be a reasonable workaround:
      https://askubuntu.com/a/1084220/354350

    2. you can also use the archive provided by mozilla as a whole and update it on its own. - the packages (thunderbird* and xul-ext-lightning) from the repository should be uninstalled in this case.

    3. if you are not afraid of potential bugs and do frequent backups of your data, installing the lightning-betas may also work for you:
      https://askubuntu.com/a/1084255/354350

    4. if you are a skilled tinkerer, you can perhaps use the debian-packages or parts of it (eventually with auto-update), but it is very likely you will end in dependency hell!

    5. if you are that skilled and seriously think about the last workaround, creating a PPA with lightnings lang-packs and providing them to all other users may be by far a better utilization of your time.

    6. staying with an old thunderbird <60 for ages and using an already outdated lightning 5.4 is a really bad idea and should definitely be avoided!




    there may be 2 future-proof real solutions for all users, but i would not count on that we see even one of them soon:




    • ubuntu should finally fix it's packages and include lang-packs into/for the lightning-package (xul-ext-lightning)! ...as debian does.


    • mozilla could probably release lightning as add-on again and stop forcing users to fiddle around with separately downloaded betas and so on...
      EDIT: since january 2019 (after nearly 2 years) mozilla resp. thunderbird (re)published lightning >=6.2 (for thunderbird >=60) as addon again!







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Feb 16 at 14:52

























    answered Oct 18 '18 at 17:05









    DJCrashdummyDJCrashdummy

    1,51231427




    1,51231427













    • Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

      – FairMiles
      Nov 16 '18 at 12:23



















    • Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

      – FairMiles
      Nov 16 '18 at 12:23

















    Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

    – FairMiles
    Nov 16 '18 at 12:23





    Lightning works fine from xul-ext-lightning after uninstalling the plugin (I use Thunderbird in English) but it breaks regional formats for the whole Thunderbird (so not only Lightning becomes affected by the lack of lang-packs). For example, I prefer 24-h format and I cannot get it with Lightning installed: [Thunderbird / Edit / Preferences / Advanced / Date and Time Formatting] just ignores my setting of whole system regional format (which is "English(Australia)") and shows the am-pm format…

    – FairMiles
    Nov 16 '18 at 12:23













    0














    Fix for lightning & exchange calendar



    Thunderbird did an automatic update this morning to version 60.2.1 and my calendar (this is provided by work MS office365 (exchange) disappeared. I had been living on legacy Lightning and EWS plugins which were now incompatible. So after some effort I am now back up and running - this is what I did:



    1) start Thunderbird goto Tools -> Add-ons and remove the incompatible plugins (greyed out) then quit Thunderbird



    2) added xul-ext-lighning from repositories using Synaptic



    3) restarted Thunderbird open Calendar pane, under the drop-down menu on right of tool bar I found an option to unsubscribe to the now defunct 'Exchange' calendar (I am not sure this is necessary but this is what I did) and I think you could do this directly from the Events and Tasks tab



    4) goto Tools -> Add-ons and download and install the TbSync plugin, restart Thunderbird



    5) Under the Edit tab select the new entry 'Synchronization Settings (TbSync)'; bottom left click button 'Account actions' -> '+ New account'; fill in details user name, password and exchange server (I had to use 'custom' option as TbSync could not automatically discover the work 365 server address); after a couple of minutes everything synced and calendar and address book were all correctly re-established.



    One question I have is I am not sure how to set TbSync to automatically resynchronise or even if this is a problem.



    Addendum - Due to change in TbSync, you now need to also download the Exchange Active Sync (EAS) plugin as well






    share|improve this answer






























      0














      Fix for lightning & exchange calendar



      Thunderbird did an automatic update this morning to version 60.2.1 and my calendar (this is provided by work MS office365 (exchange) disappeared. I had been living on legacy Lightning and EWS plugins which were now incompatible. So after some effort I am now back up and running - this is what I did:



      1) start Thunderbird goto Tools -> Add-ons and remove the incompatible plugins (greyed out) then quit Thunderbird



      2) added xul-ext-lighning from repositories using Synaptic



      3) restarted Thunderbird open Calendar pane, under the drop-down menu on right of tool bar I found an option to unsubscribe to the now defunct 'Exchange' calendar (I am not sure this is necessary but this is what I did) and I think you could do this directly from the Events and Tasks tab



      4) goto Tools -> Add-ons and download and install the TbSync plugin, restart Thunderbird



      5) Under the Edit tab select the new entry 'Synchronization Settings (TbSync)'; bottom left click button 'Account actions' -> '+ New account'; fill in details user name, password and exchange server (I had to use 'custom' option as TbSync could not automatically discover the work 365 server address); after a couple of minutes everything synced and calendar and address book were all correctly re-established.



      One question I have is I am not sure how to set TbSync to automatically resynchronise or even if this is a problem.



      Addendum - Due to change in TbSync, you now need to also download the Exchange Active Sync (EAS) plugin as well






      share|improve this answer




























        0












        0








        0







        Fix for lightning & exchange calendar



        Thunderbird did an automatic update this morning to version 60.2.1 and my calendar (this is provided by work MS office365 (exchange) disappeared. I had been living on legacy Lightning and EWS plugins which were now incompatible. So after some effort I am now back up and running - this is what I did:



        1) start Thunderbird goto Tools -> Add-ons and remove the incompatible plugins (greyed out) then quit Thunderbird



        2) added xul-ext-lighning from repositories using Synaptic



        3) restarted Thunderbird open Calendar pane, under the drop-down menu on right of tool bar I found an option to unsubscribe to the now defunct 'Exchange' calendar (I am not sure this is necessary but this is what I did) and I think you could do this directly from the Events and Tasks tab



        4) goto Tools -> Add-ons and download and install the TbSync plugin, restart Thunderbird



        5) Under the Edit tab select the new entry 'Synchronization Settings (TbSync)'; bottom left click button 'Account actions' -> '+ New account'; fill in details user name, password and exchange server (I had to use 'custom' option as TbSync could not automatically discover the work 365 server address); after a couple of minutes everything synced and calendar and address book were all correctly re-established.



        One question I have is I am not sure how to set TbSync to automatically resynchronise or even if this is a problem.



        Addendum - Due to change in TbSync, you now need to also download the Exchange Active Sync (EAS) plugin as well






        share|improve this answer















        Fix for lightning & exchange calendar



        Thunderbird did an automatic update this morning to version 60.2.1 and my calendar (this is provided by work MS office365 (exchange) disappeared. I had been living on legacy Lightning and EWS plugins which were now incompatible. So after some effort I am now back up and running - this is what I did:



        1) start Thunderbird goto Tools -> Add-ons and remove the incompatible plugins (greyed out) then quit Thunderbird



        2) added xul-ext-lighning from repositories using Synaptic



        3) restarted Thunderbird open Calendar pane, under the drop-down menu on right of tool bar I found an option to unsubscribe to the now defunct 'Exchange' calendar (I am not sure this is necessary but this is what I did) and I think you could do this directly from the Events and Tasks tab



        4) goto Tools -> Add-ons and download and install the TbSync plugin, restart Thunderbird



        5) Under the Edit tab select the new entry 'Synchronization Settings (TbSync)'; bottom left click button 'Account actions' -> '+ New account'; fill in details user name, password and exchange server (I had to use 'custom' option as TbSync could not automatically discover the work 365 server address); after a couple of minutes everything synced and calendar and address book were all correctly re-established.



        One question I have is I am not sure how to set TbSync to automatically resynchronise or even if this is a problem.



        Addendum - Due to change in TbSync, you now need to also download the Exchange Active Sync (EAS) plugin as well







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Nov 9 '18 at 10:21

























        answered Oct 31 '18 at 10:20









        R.HobbsR.Hobbs

        12




        12






























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