VIRB Edit 3.3.1 can be downloaded at http://www8.garmin.com/support/download_details.jsp?id=6591, updating from inside the application will work as well.
No feature changes from the Beta, we've just fixed a bunch of bugs. Thanks to everyone who gave the Beta a shot and provided us with feedback.
Added support for exporting files greater than 4GB on Windows 7 (was already working on 8 and 10).
Added support for importing files greater than 4GB.
Added support for merging G-Metrix data from different sources (like adding cadence from an Edge to VIRB X acceleration).
Added support for choosing between FIT speed, calculated 2D and 3D speed.
Added elevation data to GPX export.
Re-added time display to G-Metrix Sync and Activity Start Time pages.
Improved reliability and performance for displaying G-Metrix.
Improved usability and reliability of Garmin Connect integration.
Improved speed of loading G-Metrix templates.
Improved start-up time for users with lots of clips.
Fixed an issue where gauges weren't exported in the correct language.