0.8.1 is a patch release, with several bug fixes over 0.8.0. It is a drop-in upgrade for clusters running 0.8.0.

• Fix rendering of UDF errors in docker by @mwylde in https://github.com/ArroyoSystems/arroyo/pull/434
• support casting that doesn't change types, for virtual fields. by @jacksonrnewhouse in https://github.com/ArroyoSystems/arroyo/pull/436
• Cleanup printlns in schema registry code by @mwylde in https://github.com/ArroyoSystems/arroyo/pull/440
• Check logical plan output schemas for supported types by @jacksonrnewhouse in https://github.com/ArroyoSystems/arroyo/pull/441
• Fail on queries that use floats as keys by @mwylde in https://github.com/ArroyoSystems/arroyo/pull/442
• Reduce the panics in the parquet flusher, add retries to StorageProvider, send flusher failure by @jacksonrnewhouse in https://github.com/ArroyoSystems/arroyo/pull/445

Full Changelog: https://github.com/ArroyoSystems/arroyo/compare/v0.8.0...v0.8.1