magnet:?xt=urn:btih:3cf036acd0c6602c8d66f82b606dc99090c90d59&xt=urn:md5:981291231fa7251e64c07107560b7831&xl=7240512&dn=qtdoc-everywhere-opensource-src-5.15.4.zip&as=https://download.qt.io/official_releases/qt/5.15/5.15.4/submodules/qtdoc-everywhere-opensource-src-5.15.4.zip&tr=http://bt.qt-project.org:6969/announce