• [ENHANCEMENT] Skip checks when great_expectations package did not change #2287
• [ENHANCEMENT] A how-to guide, run_diagnostics method in Expectation base class and Expectation templates to support the new rapid "dev loop" of community-contributed Expectations. #2222
• [BUGFIX] Fix Local variable 'query_schema' might be referenced before assignment bug in sqlalchemy_dataset.py #2286 (Thanks @alessandrolacorte!)
• [BUGFIX] Use correct schema to fetch table and column metadata #2284 (Thanks @armaandhull!)
• [BUGFIX] Updated sqlalchemy_dataset to convert numeric metrics to json_serializable up front, avoiding an issue where expectations on data immediately fail due to the conversion to/from json. #2207