magnet:?xt=urn:btih:ec370570613c396065771ba53bb1eeea9ee31647&xt=urn:md5:032e5635bb2f3fbaecbe112d804d3f4b&xl=2690688&dn=qtconnectivity-opensource-src-5.7.1.tar.xz&as=https://download.qt.io/new_archive/qt/5.7/5.7.1/submodules/qtconnectivity-opensource-src-5.7.1.tar.xz&tr=http://bt.qt-project.org:6969/announce