A new version of the Unity game engine – Unity 5.5 – has become available to developers. The key innovation is full support for HoloLens.
In addition, the developers of the engine have improved their work with IAP, adding the Codeless IAP feature, which allows you to configure payments for several stores at once and automate transaction flows in the present time, and also corrected the particle system by introducing the Lights Module, with which it became easier to make the light from the particles fall on the environment.
There are also new tools for working with splash screen, Visual Studio Code support and WebGL 2.0 by default.
The full list of changes can be found at the link.
Source: Unity