Visual Studio Add-In is updated for Qt 5.1 in version 1.2.2. It provides updated documentation of Qt 5.1 and two bug fixes.
Compared to previous Visual Studio Add-In version the full list of changes in version 1.2.2 is:
Qt 5.1 help documents included
Incorrect overwriting of the environment setting value on every build/run removed. (QTVSADDINBUG-159)
Links in Qt help not working, fixed. (QTVSADDINBUG-160)
Similarly as before the Visual studio Add-In is available for both Qt Enterprise and open-source users with the Qt Enterprise version providing additional functionality needed for Qt Quick 2, more details here.
If you hold a valid Qt Enterprise license, you can download the new Visual Studio Add-In from the Customer Portal. The open-source version can be downloaded from the Qt Project. If you are not a Qt Enterprise licensee, but want to try out the additional functionality, you can try it with our free 30-day evaluation.