magnet:?xt=urn:btih:8437049af9b30ddddb00a6c6a3275078eae86c87&xt=urn:md5:d29462524b32e0e5192a48432242b745&xl=48617708&dn=qtbase-everywhere-src-5.12.12.tar.xz&as=https://download.qt.io/new_archive/qt/5.12/5.12.12/submodules/qtbase-everywhere-src-5.12.12.tar.xz&tr=http://bt.qt-project.org:6969/announce