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External calendar not updating, not found

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  • Last reply by jf.tech

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Events on external calendar created before 102 update all show, or did, I assume to due to Offline Support, but updates, changes, new events added since were not syncing, and after Unsubscribing and attempting to re-add the ext. calendar, Thunderbird is not able to 'find' the calendar at all, I just get a spinning ball.

The same external calendar is successfully being found and updated by another service. I use a Mac.

JF

Events on external calendar created before 102 update all show, or did, I assume to due to Offline Support, but updates, changes, new events added since were not syncing, and after Unsubscribing and attempting to re-add the ext. calendar, Thunderbird is not able to 'find' the calendar at all, I just get a spinning ball. The same external calendar is successfully being found and updated by another service. I use a Mac. JF
Attached screenshots

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The Mailfence webmail calendar, and Apple's Calendar app are both able to find and sync the url in question.