The first beta release of the SQLAlchemy 0.8 series, 0.8.0b1, is released for 
developer evaluation.

0.8 represents the latest series of refinements to the SQLAlchemy Core and ORM 
libraries and features over 100 individual changes, consisting of major new 
features, bug fixes, and other enhancements. There are also major refactorings 
present in both the library and the test suite intended to improve 
maintainability, performance, and compability with future enhancements and 
external projects.

The purpose of the beta releases is to give a wide range of developers a chance 
to evaluate the new version against existing applications, and to alert the 
SQLAlchemy team of any regressions or major upgrade issues being experienced. 
Each major release of SQLAlchemy includes a wide array of planned but 
backwards-incompatible changes, including the removal of deprecated features, 
as well as bug fixes which change behaviors that some applications may have 
been relying upon.

Among many changes include improvements to the documentation system. The 
changelog and migration guides for SQLAlchemy are now integrated with the 
Sphinx documentation, where they can refer to each other as well as the rest of 
the SQLAlchemy documentation.

Users should start by reading the What's New in 0.8 document, which introduces 
major new features as well as areas where applications may experience a 
behavioral change. The 0.8.0b1 Changelog will enumerate most changes in detail.

Download: http://www.sqlalchemy.org/download.html

What's New in 0.8:   
http://www.sqlalchemy.org/docs/08/changelog/migration_08.html

0.8.0b1 changelog:  
http://www.sqlalchemy.org/docs/08/changelog/changelog_08.html#change-0.8.0b1

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