ANGULAR JS 1.3 RELEASE

Here is the announcement for the 1.3 release.
http://angularjs.blogspot.com/2014/10/angularjs-130-superluminal-nudge.html
It highlights new features such as One-time bindings syntax, ngAria, ngMessages, ngModelOptions, strict DI and performance improvements.

There is also a migration doc to help with your upgrade
https://docs.angularjs.org/guide/migration#migrating-from-1-2-to-1-3

If your question is now “is it worth upgrading to 1.3 considering the massive changes planned for 2.0?”, I’d say the answer is definitely yes.