magnet:?xt=urn:btih:dc5a4dc2978059b0388a5991c5860692049932a7&xt=urn:md5:d07df9f6957f4c922965bc3b9383ce4b&xl=841996&dn=qtopcua-everywhere-opensource-src-5.15.7.tar.xz&as=https://download.qt.io/official_releases/qt/5.15/5.15.7/submodules/qtopcua-everywhere-opensource-src-5.15.7.tar.xz&tr=http://bt.qt-project.org:6969/announce