v0.4.2

• Fix bug when groupby a join expr.
• Fix bug that the expr which has executed cannot cache successfully.

v0.4.1

• Fix compatible issue under Py3 when running DataFrame API
• DataFrame executor now support the project which disabled the tunnel download

v0.4.0

• DataFrame API now support pandas backend
• DataFrames which have different data sources like ODPS SQL and pandas can do join, union and isin operations
• User defined function can be used in apply on axis=1
• cache API
• MapReduce API
• DataFrame enrichments and bug fixes

v0.3.9

• For IPython plugin, sql command support named parameters.

v0.3.7

• In DataFrame API, map support UDF that has already been defined
• fix bugs of DataFrame API

v0.3.6

• Fix a tunnel bug which yields when uploading records using compression

v0.3.4

• fix several bugs of DataFrame

v0.3.0

• Brand-new DataFrame API.
• Command-line and IPython enhancement.

v0.2.1

• Python 2.6+ including Python 3, and pypy support
• Add documentation

v0.2.0

• supports all models
• new table read and write API