On the way to provide Windows 64-bit version of the 4D product line we reached a major milestone, an Altura-free version. Altura is a library to emulate MacOS functionality on Windows, which was used to help plug-in developers to provide their products on Windows.

Although internally 4D for the most part did not use Altura any longer for a while, it was still deeply integrated to provide the functionality for 3rd party plug-ins.