 In May 1999, PlayMedia was granted an injunction by Federal Judge A. Howard Matz against distribution of Nitrane by Nullsoft, and the same month the lawsuit was settled out-of-court with licensing and confidentiality agreements.Soon after, Nullsoft switched to an ISO decoder from the Fraunhofer-Gesellschaft, the developers of the MP3 format.Winamp 2.10, released March 24, 1999, included a new version of the "Llama" "demo.mp3" featuring a musical sting and bleating.