There is a vote for Parquet float16 support occurring in the Parquet dev mailing list: https://lists.apache.org/thread/gyvqcx9ssxkjlrwogqwy7n4z6ofdm871
As mentioned in the post, there are 3 implementations in preparation for this vote: - C++ (and Python): https://github.com/apache/arrow/pull/36073 - Java: https://github.com/apache/parquet-mr/pull/1142 - Go: https://github.com/apache/arrow/pull/37599 If you are a member of the Parquet PMC, please chime in to the vote! ~ Anja
