I've opened a PR that updates the specification to allow for 256-bit Decimal types [1]. It updates both schema.fbs and the C-ABI to document this support.
The decimal256 branch [2] contains implementations in Java and C++ and updates to the integration test to demonstrate interoperability. If this vote passes I will open up a PR to merge the decimal256 branch to master and we can handle any specific concerns for the implementations on that PR. This vote is specifically about approving and merging [1]. The vote will remain open for at least 72 hours. [ ] +1: Accept 256 bit Decimals as part of the specification [ ] +0: [ ] -1: I don't think this is a good idea because ... Thanks, Micah [1] https://github.com/apache/arrow/pull/8293 [2] https://github.com/apache/arrow/tree/decimal256
