I used the "Upgrade to Vuforia 7.2.20" link in the Unity Inspector.
However, following this I cannot build in Xcode 9.4.1
dyld: Library not loaded: @rpath/Vuforia.framework/Vuforia
Referenced from: /var/containers/Bundle/Application/9559D029-BCB9-4128-80F7-60E5301D3F3A/lakarhuset.app/lakarhuset
Reason: no suitable image found. Did find:
/private/var/containers/Bundle/Application/9559D029-BCB9-4128-80F7-60E5301D3F3A/lakarhuset.app/Frameworks/Vuforia.framework/Vuforia: code signing blocked mmap() of '/private/var/containers/Bundle/Application/9559D029-BCB9-4128-80F7-60E5301D3F3A/lakarhuset.app/Frameworks/Vuforia.framework/Vuforia'
(lldb)
Hello,
Really happy to hear this was resolved for you. Thanks for posting the fix here!
-Vuforia Engine Support