Hi, I'm pleased to announce the availability of the first release candidate of Pandas 0.15.0. Please try this RC and report any issues here: Pandas Issues <https://github.com/pydata/pandas/issues> We will be releasing officially in 1-2 weeks or so. This is a major release from 0.14.1 and includes a number of API changes, several new features, enhancements, and performance improvements along with a large number of bug fixes. Highlights include: - Drop support for numpy < 1.7.0 - The Categorical type was integrated as a first-class pandas type - New scalar type Timedelta, and a new index type TimedeltaIndex - New DataFrame default display for df.info() to include memory usage - New datetimelike properties accessor .dt for Series - Split indexing documentation into Indexing and Selecting Data and MultiIndex / Advanced Indexing - Split out string methods documentation into Working with Text Data - read_csv will now by default ignore blank lines when parsing - API change in using Indexes in set operations - Internal refactoring of the Index class to no longer sub-class ndarray - dropping support for PyTables less than version 3.0.0, and numexpr less than version 2.1 Here are the full whatsnew and documentation links: v0.15.0 Whatsnew <http://pandas.pydata.org/pandas-docs/version/0.15.0/whatsnew.html> v0.15.0 Documentation Page <http://pandas.pydata.org/pandas-docs/version/0.15.0/> Source tarballs, and windows builds are available here: Pandas v0.15.0rc1 Release <https://github.com/pydata/pandas/releases> A big thank you to everyone who contributed to this release! Jeff