App Studio 4.2.0 Release Notes


Release date: 28 February 2019

Appkit SDK version in this release: 4.2.0

See the Appkit 4.2.0 release notes for other changes.

In apps created with this version of Fusion App Studio, you can upgrade the Appkit version to the latest version. For a list of Appkit versions, see the Appkit Release Notes.

New features

New features in this release of App Studio come in through the corresponding embedded release of the Appkit SDK.


  • Fusion collection for social data – A new Fusion auxiliary collection called _user_prefs is now created automatically with each new Fusion app for the purpose of storing social data such as user tags, bookmarks, and so on.

  • Single package file – A search app’s two package.json files have been combined in a single file.

    Previous files (pre-4.2.0):


    Current file (4.2.0):