$ falkon 
QWebEngineUrlScheme::registerScheme: Too late to register scheme "falkon"
QWebEngineUrlScheme::registerScheme: Too late to register scheme "extension"
Please register the custom scheme 'falkon' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'extension' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Cannot initialize model with data QJsonObject() . missing: QJsonValue(string, "urls")
Please register the custom scheme 'mmst' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'zeroconf' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'man' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'rtsp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'feed' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'videodvd' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'recentlyused' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'gdrive' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'webdav' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'vnc' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'bzip2' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'akonadi' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'bluetooth' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'filenamesearch' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'kdeconnect' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'timeline' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'cifs' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'zip' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'ms-its' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'programs' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'lzma' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'help' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'ldaps' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'network' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'info' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'remote' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'obexftp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'mmsu' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'baloosearch' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'mtp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'metainfo' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'ghelp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'camera' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'recentdocuments' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'nfs' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'xz' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'pop3' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'audiocd' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'trash' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'rtspt' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'bookmarks' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'sftp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'tags' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'smb' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'gzip' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'thumbnail' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'pnm' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'tar' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'fonts' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'rtspu' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'ldap' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'bzip' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'applications' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'webcal' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'desktop' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'mms' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'activities' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'fish' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'ar' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'webdavs' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'pop3s' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'sieve' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'rdp' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'settings' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Falkon: 2 extensions loaded


#
# Fatal error in , line 0
# RepresentationChangerError: node #115:SpeculativeNumberMultiply of kRepWord32 (( | Range(-2147483647, 2147483647))) cannot be changed to kRepWord32
#
#
#
#FailureMessage Object: 0x7f22bd963860#0 0x7f22cbab4abe <unknown>
#1 0x7f22cc8c005b <unknown>
#2 0x7f22cc8b80b0 <unknown>
#3 0x7f22caa3c711 <unknown>
#4 0x7f22caa3d6f0 <unknown>
#5 0x7f22caa3e55f <unknown>
#6 0x7f22caa632ad <unknown>
#7 0x7f22caa69d19 <unknown>
#8 0x7f22caa72e62 <unknown>
#9 0x7f22caa27b92 <unknown>
#10 0x7f22caa27cc0 <unknown>
#11 0x7f22ca8efcb1 <unknown>
#12 0x7f22ca8eb9ff <unknown>
#13 0x7f22ca8ebd2f <unknown>
#14 0x7f22cbaa01b0 <unknown>
#15 0x7f22cba64016 <unknown>
#16 0x7f22cba98512 <unknown>
#17 0x7f22cba659a5 <unknown>
#18 0x7f22cbaaca61 <unknown>
#19 0x7f22cbaacfd4 <unknown>
#20 0x7f22cba98a21 <unknown>
#21 0x7f22c9280ed3 <unknown>
#22 0x7f22c939288f <unknown>