# 4.7.0 03/10/2022 * Bug #9056: WFileDropWidget memory leaks * Improvements #8782: Drag/drop in WAbstractItemView should probably copy flags * Bug #9035: head-matter makes tags self-closing that shouldn't be * Improvements #9264: Document that WRadioButton does not emit unChecked * Bug #9271: Invalid DateTime/timestamp conversion in MySQL backend * Bug #9562: Mail::Message::encodeAttachment should reset input stream afterwards * Bug #9591: SAML Authentication Behind TLS Terminating Reverse Proxy * Feature #7434: Allow setBackgroundColor() to change the alpha-level.