What's Changed
* Cardinality Overrides by angelosantos4 in https://github.com/nodestream-proj/nodestream/pull/330
* Fix S3 Extractor object_format by grantleehoffman in https://github.com/nodestream-proj/nodestream/pull/331
* Create pre-release by grantleehoffman in https://github.com/nodestream-proj/nodestream/pull/332
**Full Changelog**: https://github.com/nodestream-proj/nodestream/compare/0.12.5a6...0.12.5a7