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Missing threaded display in Thunderbird Supernova

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It appears that Thunderbird Supernova, while still doing the proper indent for the message header panel display of threaded newsgroup posts, does not show vertical and horizontal lines preceding the subject and "connecting" the subsequent posts in a thread to its "ancestor". I have threaded view selected, but am I missing a place to enable this feature that was in previous versions of Thunderbird?

It appears that Thunderbird Supernova, while still doing the proper indent for the message header panel display of threaded newsgroup posts, does not show vertical and horizontal lines preceding the subject and "connecting" the subsequent posts in a thread to its "ancestor". I have threaded view selected, but am I missing a place to enable this feature that was in previous versions of Thunderbird?

Saafara biñ tànn

No, the UX designers have decided to remove the lines, for now:

https://bugzilla.mozilla.org/show_bug.cgi?id=1829470

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All Replies (3)

Saafara yiñ Tànn

No, the UX designers have decided to remove the lines, for now:

https://bugzilla.mozilla.org/show_bug.cgi?id=1829470

The lines have been restored in Betterbird 115. https://betterbird.eu/releasenotes/index.html

My thanks to both sfhowes and christ1 for their responses. I didn't see the post in Bugzilla because I searched for "header pane", so thanks for pointing it out. And I had never heard of Betterbird. I will check that out.