Hi all, With 8 +1 votes (4 binding, 4 non-binding) and 0 -1 votes the proposal is approved as shown below and in the PR [1]. Thank you everyone who voted and helped shape this proposal.
[1] https://github.com/apache/arrow/pull/41299 --- UUID ==== * Extension name: `arrow.uuid`. * The storage type of the extension is ``FixedSizeBinary`` with a length of 16 bytes. .. note:: A specific UUID version is not required or guaranteed. This extension represents UUIDs as FixedSizeBinary(16) with big-endian notation and does not interpret the bytes in any way.