Complete release notes for the current and previous versions of the engine.
Newest version: 1.2.156
Jul 07, 2013 Pre-multiplied alpha
All textures loaded in Defold now have the color-value pre-multiplied with alpha for prettier blending. If you have made custom shaders, you will need to update them accordingly. There is plenty of online resources which explains pre-multiplied alpha in greater detail, e.g. this and this.
Crash when deleting game objects with running animations
Crash when setting properties through go.set and specifying a value of the wrong type
Updated the editor framework (Eclipse RCP) to a later version