 Partly due to digital rights management issues, despite the open-source implementation of Silverlight known as Moonlight, this has created problems for users of fully open source versions of Linux and similar operating systems.Though Google's partially proprietary Android and Chrome OS platforms are essentially based upon Linux and other free software infrastructure, Netflix did not provide any crossover support for using its proprietary components to stream any of its content upon more free systems, such as Ubuntu and Fedora, although this changed in October 2014.On August 9, 2011, Netflix released a Google Chrome web store item for Chrome OS, Mac OS, and Windows; however, it did not initially enable Netflix streaming on Linux machines.