Syncing Thunderbird Tasks with Murena Cloud

It appears I am successfully sharing my thunderbird Calendar with Murena Cloud (Nextcloud).

However I am a bit stuck doing the same with Tasks.
I’m on Ubuntu 24.04.4, with latest Thunderbird (TB) and Firefox.

There is a thread here but it seems a bit dated, does not TB now handle CALdav CARDdav better in later versions ?? :

I have looked at TBSync, but looks like I can only add accounts for 2 types of calendar … Google and MS calendars, no support for Nextcloud.

When I try to create a task in TB, using the shared (murena synced) calendar the TB advises:
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’Please select a calendar that supports tasks’
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I am using a popular Calendar (Nextcloud) and client (Thunderbird) here, but cannot find any immediate info to sort this.

So bit stuck, any thoughts appreciated.
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OK so I was right CALdav is now supported within TB, and so TBSync no longer provides that:

and

Tasks are syncing between phone a murena cloud fine, but not TB to murena cloud (Nextcloud).

Presume - as long as the calendar sync, should not tasks, or is there a setting somewhere within Nextcloud that controls this ?

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I have the same setup, but my synchronization between TB (as well as the GNOME Errands app) and Murena Cloud is working fine.

Just to be sure, the selected calendar has Tasks enabled, i.e., it also appears in the Tasks app on Murena.io? It seems that calendars on Nextcloud can have appointments, tasks, or both.

Yes Tasks are working fine between Cloud and Phone App, I can create and sync between both, so could I assume that Tasks are setup (enabled) on the Nextcloud server.

I have never ‘enabled’ Tasks … but assume it comes enabled by default by the hosts (e/foundation/murena).

This Nextcloud guidance advises:
Tasks can be synchronized using CalDav (each task list is linked to an Nextcloud calendar, to sync it to your local client: Thunderbird, Evolution, KDE Kontact, iCal … - just add the calendar as a remote calendar in your client).’

I came across a forum post commenting that the URL entered into TB needs to be correct to connect to Nextcloud, I copied the ‘Internal Link’ in the Clouds ‘Edit Calendar’ dialogue, and pasted that into TB …

https://murena.io/remote.php/dav/calendars/USER_NAME/personal/

The forum poster suggested instead using:
https://murena.io/remote.php/

I am unable to edit the link inside TB though for some reason.

This information is out of date:

Your calendar URL seems correct, here is my TB configuration:

And this is also the link that I get when I select “Copy private link” in the Tasks app of murena.io:

Interestingly, I think that the manual method mentioned at the end of the page is up-to-date and that I have added my calendar and tasks as described there:

Maybe you can try to add your calendar again?

Be aware that you may need an app password for the calendar if you have two-factor authentication enabled, see

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Success.
I was not aware that I needed two calendars in TB, one for the Calendar syncing, and one for the Tasks (confusingly a calendar - for the tasks) - to resolve copy the private link in Nextclouds tasks page, in TB go to tasks tab, create new calendar, and use the copied private link as the URL, you will need to add your murena user name.
This video, although dated shows roughly what you need to do:

Syncing for tasks that have not ‘started’ seem to take a little longer than those tasks that are created as started to sync, weird, however it all seems to be working OK now :slight_smile:

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@tentos Thanks for your pointers here …

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