magnet:?xt=urn:btih:b9c30024e96263895481119bb5f75c97a62f6e7e&xt=urn:md5:f6b9c628b2bdfc1721bdfd03a163e21f&xl=40&dn=5.12.9-0-202004220902qtdatavisualization-documentation.7z.sha1&as=https://download.qt.io/online/qtsdkrepository/linux_x64/desktop/qt5_5129_src_doc_examples-backup-2020-04-22--11:51:53/qt.qt5.5129.doc.qtdatavis3d/5.12.9-0-202004220902qtdatavisualization-documentation.7z.sha1&tr=http://bt.qt-project.org:6969/announce