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TB 155 & Folder Message Count: dash instead of nothing when the folder is empty

blue.chip

In TB prior to v.155, folder message counts were not shown at all if the respective folders were empty. That is, instead of showing "0", TB did not show anything.

Now, after updating to TB v.155.0.1, I see dashes (horizontal lines) in the folder tree to the right of each empty folder.

Is it possible to revert back to the original behaviour and get rid of those unsightly dashes? They only add visual clutter (my opinion, obviously) while not providing any extra information.

Thanks.

In TB prior to v.155, folder message counts were not shown at all if the respective folders were empty. That is, instead of showing "0", TB did not show anything. Now, after updating to TB v.155.0.1, I see dashes (horizontal lines) in the folder tree to the right of each empty folder. Is it possible to revert back to the original behaviour and get rid of those unsightly dashes? They only add visual clutter (my opinion, obviously) while not providing any extra information. Thanks.
Attached screenshots

എല്ലാ മറുപടികളും (3)

It is strange but suddenly, TB started showing "0" (again, _de facto_ unnecessary information) for one of the inboxes. Other empty folders are still with dashes.

A bug has been filed for this issue https://bugzilla.mozilla.org/show_bug.cgi?id=2068468

Ah, I see, thanks.

But the original question still stands: can I get rid of those dashes so that no message count is shown for folders with no messages?

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