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A new SCons checkpoint release, 2.0.0.alpha.20100508, is now available.
The primary purpose of this release is to remove support for
Python versions prior to 2.4 and streamline the SCons code base
using more modern python idioms.
The checkpoint is available at the SCons download page:
http://www.scons.org/download.php
A SCons "checkpoint release" is intended to provide early access to
new features so they can be tested in the field before being released
for adoption by other software distributions.
Note that a checkpoint release is developed using the same test-driven
development methdology as all SCons releases. Existing SCons
functionality should all work as it does in previous releases (except
for any changes identified in the release notes) and early adopters
should be able to use a checkpoint release safely for production work
with existing SConscript files. If not, it represents not only a bug
in SCons but also a hole in the regression test suite, and we want to
hear about it.
New features may be more lightly tested than in past releases,
especially as concerns their interaction with all of the other
functionality in SCons. We are especially interested in hearing bug
reports about new functionality.
We do not recommend that downstream distributions (Debian, Fedora,
etc.) package a checkpoint release, mainly to avoid confusing the
"public" release numbering with the long checkpoint release names.
Here is a summary of the changes since 1.3:
NEW FUNCTIONALITY
- There should be no new functionality or bug fixes in this checkpoint.
Bug fixes will be found in the 1.3.1 series of checkpoints.
DEPRECATED FUNCTIONALITY
- All features or usages deprecated in 1.3 should have been removed.
Uses of formerly-deprecated features should get an error.
CHANGED/ENHANCED EXISTING FUNCTIONALITY
- None.
FIXES
- None.
IMPROVEMENTS
- Support for Python versions prior to 2.4 has been removed. As of
this writing, we belive that SCons will still work with Python 2.3,
but this is not guaranteed.
- Code paths that included special cases for older Python versions have
been streamlined.
- The code base has been converted to use more modern idioms. Although
we don't have any direct measurements (yet), we believe that SCons
startup time should be decreased and the overall code should run faster.
PACKAGING
- No changes.
DOCUMENTATION
- No changes.
DEVELOPMENT
- Code no longer has to be compatible with Python versions back to 1.5.2.
Thanks to Greg Noel and Steven Knight for their contributions to this
release.
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