Jinja

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Released 2013-08-07

- Fixed a bug with ``call_filter`` not working properly on environment
and context filters.
- Fixed lack of Python 3 support for bytecode caches.
- Reverted support for defining blocks in included templates as this
broke existing templates for users.
- Fixed some warnings with hashing of undefineds and nodes if Python
is run with warnings for Python 3.
- Added support for properly hashing undefined objects.
- Fixed a bug with the title filter not working on already uppercase
strings.

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Released 2013-05-20, codename Translation

- Choice and prefix loaders now dispatch source and template lookup
separately in order to work in combination with module loaders as
advertised.
- Fixed filesizeformat.
- Added a non-silent option for babel extraction.
- Added ``urlencode`` filter that automatically quotes values for URL
safe usage with utf-8 as only supported encoding. If applications
want to change this encoding they can override the filter.
- Added ``keep-trailing-newline`` configuration to environments and
templates to optionally preserve the final trailing newline.
- Accessing ``last`` on the loop context no longer causes the iterator
to be consumed into a list.
- Python requirement changed: 2.6, 2.7 or >= 3.3 are required now,
supported by same source code, using the "six" compatibility
library.
- Allow ``contextfunction`` and other decorators to be applied to
``__call__``.
- Added support for changing from newline to different signs in the
``wordwrap`` filter.
- Added support for ignoring memcache errors silently.
- Added support for keeping the trailing newline in templates.
- Added finer grained support for stripping whitespace on the left
side of blocks.
- Added ``map``, ``select``, ``reject``, ``selectattr`` and
``rejectattr`` filters.
- Added support for ``loop.depth`` to figure out how deep inside a
recursive loop the code is.
- Disabled py_compile for pypy and python 3.

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Released 2011-07-24, codename Convolution

- Internal attributes now raise an internal attribute error now
instead of returning an undefined. This fixes problems when passing
undefined objects to Python semantics expecting APIs.
- Traceback support now works properly for PyPy. (Tested with 1.4)
- Implemented operator intercepting for sandboxed environments. This
allows application developers to disable builtin operators for
better security. (For instance limit the mathematical operators to
actual integers instead of longs)
- Groupby filter now supports dotted notation for grouping by
attributes of attributes.
- Scoped blocks now properly treat toplevel assignments and imports.
Previously an import suddenly "disappeared" in a scoped block.
- Automatically detect newer Python interpreter versions before
loading code from bytecode caches to prevent segfaults on invalid
opcodes. The segfault in earlier Jinja versions here was not a
Jinja bug but a limitation in the underlying Python interpreter. If
you notice Jinja segfaulting in earlier versions after an upgrade
of the Python interpreter you don't have to upgrade, it's enough to
flush the bytecode cache. This just no longer makes this necessary,
Jinja will automatically detect these cases now.
- The sum filter can now sum up values by attribute. This is a
backwards incompatible change. The argument to the filter previously
was the optional starting index which defaults to zero. This now
became the second argument to the function because it's rarely used.
- Like sum, sort now also makes it possible to order items by
attribute.
- Like sum and sort, join now also is able to join attributes of
objects as string.
- The internal eval context now has a reference to the environment.
- Added a mapping test to see if an object is a dict or an object with
a similar interface.

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Released 2010-10-18

- Built documentation is no longer part of release.

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Released 2010-10-17

- Fixed extensions not loading properly with overlays.
- Work around a bug in cpython for the debugger that causes segfaults
on 64bit big-endian architectures.

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Released 2010-10-17

- Fixed an operator precedence error introduced in 2.5.2. Statements
like "-foo.bar" had their implicit parentheses applied around the
first part of the expression ("(-foo).bar") instead of the more
correct "-(foo.bar)".