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Germany has just made the standard Open Document Format (ODF) mandatory
(blog.documentfoundation.org)
This is a most excellent place for technology news and articles.
Oddly the UK is somehow ahead here https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation
Despite being so shit in many different respects (a chronic use of external consultants and contractors means the UK seems less likely than other European countries to make progress on a sovereign tech stack), the UK is pretty good with its data. There's a surprisingly amount of data that's released and is in a sensible format.
During the teachers strikes last year, I ended up using playing around making visualisations using the data about the number of teachers in various parts of the country, and I was pleased to see how much there was there and how clearly it was documented. There are very few things I'm proud of the UK for, so I am glad to have this as one