[Un]read ਮੁੜ ਤੋਂ ਚਾਲੂ ਕਰਨ ਦੀ ਲੋੜ ਹੈ

This Thunderbird extension adds a toolbar button (plus keyboard shortcut) which allows for quickly switching between the 'view all'/'view unread' message filters. Moreover, if you are in the 'view unread' mode and you start...