Most of the general Lightning settings can be set via the Options window. Other settings have to be changed via the Config Editor. There are 2 ways of getting to the Options window. Click the Tools menu at the top of the Thunderbird window and click the Add-ons item. Select the Lightning Extension and click the Options button. Yesterday, after applying the update, a message at the top of the screen said all calendars were disabled. I tried to enable them but was unable to access the checkbox. Further looking and reading of notes showed me that Lightning had been disabled. I looked at the Lightning page and it showed not compatible with vz 78.

• Mozilla Lightning Ubuntu
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Mozilla Lightning Ubuntu

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