| 3 | 3 |  description: As part of my work in the Matrix core team, I got to implement an actively requested feature, i.e. support for message retention policies, in Synapse (the reference Matrix homeserver implementation). In this post, I give you a peek at what the feature does, how it works, and how it's currently implemented in Synapse.
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			| 4 | 4 |  tags: [ 'matrix', 'synapse', 'free', 'software', 'decentralisation', 'federation', 'communications', 'retention', 'policy', 'message' ]
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