magnet:?xt=urn:btih:66cb678696825ba32a469061727280e49a837aef&xt=urn:md5:674287faa5d4f0a7954e5313ffb5e797&xl=852761&dn=qtserialbus-everywhere-opensource-src-5.15.19.zip&as=https://download.qt.io/archive/qt/5.15/5.15.19/submodules/qtserialbus-everywhere-opensource-src-5.15.19.zip&tr=http://bt.qt-project.org:6969/announce