Microsoft has open source their research project TouchDevelop, which contains about 160K lines of code mostly written in TypeScript.
Microsoft has open sourced JUniversal, a tool for writing cross-platform mobile applications in Java.
Guillaume Laforge has released Groovy 2.4, bringing full Android support. LaForge says the new Android support "allows developers to write Android applications fully using Groovy, with much less boilerplate code than raw Java."
Unity last week announced the launch of Unity Analytics, a service which assists game developers in gaining an understanding into the behaviour of their players. The service is currently in an open beta with support for the iOS and Android platforms only.
The Google Developers YouTube channel has posted a set of 16 videos on Android Performance Patterns outlining a number of performance issues developers stumble across when creating applications for Android, along with advice on dealing with them which we will present in summary.
A new set of libraries and tools from Google's Fun Propulsion Labs, fplutil, promises to make it easier to develop C/C++ applications for Android.
HipByte released RubyMotion 3, which for the first time supports Android and Apple's WatchKit. A new pricing model attempts to better satisfy the developers needs.
MBaaS (Mobile Backend as a Service) provider Parse recently announced two new additions to its platform, a crash reporting service and support for local data storage on iOS.
Microsoft has recently announced the acquisition of HockeyApp, maker of a service providing crash reporting and app distribution on iOS, Android, and Windows Phone, and is planning its integration into Application Insights.
AppGyver has announced Supersonic, a new framework to build hybrid mobile apps on Android and iOS that promises to provide "real native performance," says AppGyver, thanks to a novel approach to designing hybrid apps. Supersonic is also integrated with Steroids, an impressive cross-platform IDE for hybrid apps.
Google has announced Go 1.4, coming six months after 1.3. Go 1.4 adds official support for Android native development, albeit still "under heavy development," improved garbage collection, and a minor language change.
Google has graduated Android Studio to 1.0 and is recommending developers to leave Eclipse behind.
Eric Lafortune, Technical Director of Saikoa, maker of DexGuard, has discovered new tools in the SDK for Android 5.0 Revision 1 (API 21.1), namely two compilers called Jack and Jill. These tools are meant to streamline the compilation process for Android.