The press release just appeared on their site;
ISO/IEC 29500 is a standard for word-processing documents, presentations and spreadsheets that is intended to be implemented by multiple applications on multiple platforms. One of its objectives is to ensure the long-term preservation of documents created over the last two decades using programmes that are becoming incompatible with continuing advances in the field of information technology.
The release explains the four parts of the standard that have been published, and how to find them.
The ISO catalogue entry for IS29500 explains that the documents can be downloaded for free from the ITTF. Here are the links for parts 1, 2, 3 & 4.
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