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All Places > ArcGIS AppStudio > Blog > 2019 > August

We are excited to announce the release of AppStudio for ArcGIS version 4.0. This release is packed with exciting new features, enhancements, and bug fixes to help you create cross-platform native apps easier and faster. Read this blog post to learn about all of the updates.


Bug Fixes: 


Bug ID



Fixed a translation bug with AppStudio for ArcGIS for the 'Close' button in German.


Fixed the bug due to which Android builds were fails from AppStudio for ArcGIS when a valid Java KeyStore (JKS) is supplied with Cloud Make.


Fixed that bug due to which downloading a mobile map package in an iOS was failing when the iPhone screen is locked, returning the error message "Socket is not connected."


Fixed the bug in audiorecorder.pause() method which was breaking the recording file path.


Updated the documentation to have consistency in mentioning the Android Native Development Kit (NDK) version in the "Install development tools for local Make" page.

Fixed a bug due to which sending video attachments from drafts in Quick Report from an Android device was failing.





Known issue:

  • Apps built with AppStudio 4.0 cannot be rotated to landscape mode on specific tablet devices when landscape mode is enabled on tablet and disabled on the phone.

Please reach out to us if you encounter this issue.