Created attachment 8805831 [details] ScreenshotThunderbird20161030.PNG User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 Build ID: 20161019084923 Steps to reproduce: I opened a subfolder Lilypond in thunderbird (version 45.4.0; win7) with supposingly 1 unread messages. (the version indicator is faulty!) Actual results: Four messages appeared in bold indicating there were unread. When I clicked on the first message, the count in the folder pane became void, but still the other three messages were in bold letters. Expected results: There should have been a count of 4 in the folder pane.
OS: Unspecified → Windows 7
Hardware: Unspecified → x86_64
This morning I experinced another faulty number count: All the messages were read, using the "Schnellfilter" I could not find an unread message in a folder, and still the count indicator was set to 1.
Same as before: Lilypond (11) is shown in the folder panel whereas unread messages could not be found.
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