davidedmundson added a comment.
QAbstractSortFilterProxyModel has docs that say you need it, but QSortFilterProxyModel which you inherit from does reset the model in setSourceModel. REPOSITORY R120 Plasma Workspace REVISION DETAIL https://phabricator.kde.org/D27037 To: broulik, #plasma Cc: davidedmundson, plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart