November 3, 2017
Compute Engine (Go): The support for Go applications on Compute Engine VM instances is in Beta release. Your Go applications should be compiled without the default optimizations, or else Stackdriver Debugger might show incorrect information about your application.
October 20, 2016
Debugger GA & logs integration: Debugger is generally available. Debugger now integrates a log panel into the debug view and will remember the last selected location. Additionally, you can insert logpoints dynamically without any rebuilds or restarts. The left and right panels in debug view can now be collapsed for additional viewing space for source.