There is a (non-Microsoft) NuGet package that allows upgrading the Mvc3 to Mvc4. There is a (Microsoft) article that explains how to manually migrate from Mvc3
twilio
unhandled
multichoiceitems
jboss-tools
explain
filestream
android-obfuscation
distributed-training
embark
parallel-arrays
r-labelled
formarray
qtcpserver
bazaar
spotfire-analyst
rxtx
cross-hair-label
timepickerdialog
perfetto
executable-path
azure-private-dns-zone
email-address
aws-deeplens
qhull
datagrid
itunes
document-set
mac-address
native-file-system-api-js
importerror
