The 451 Group posted a news story that the OSI Board has approved the Microsoft Public License (Ms-PL) and the Microsoft Reciprocal License (Ms-RL) as satisfying the criteria of the Open Source Definition
>> OSI approves Microsoft licenses
For some, this announcement is confirmation that the sky is falling and the end of the world is nigh. For others, it represents the conclusion to a process that has seen Microsoft engaging with the OSI on the OSI’s terms and showing that it is willing to be flexible.
>> OSI approves Microsoft licenses