* Fix for charts and images that cross rows and columns that are hidden or formatted but which don't have size changes. :issue:`42` reported by Kristian Stobbe.
0.4.0
------------------------------
* Added more generic support for JPEG files. :issue:`40` reported by Simon Breuss.
* Fix for harmless Python 3 installation warning. :issue:`41` reported by James Reeves.
0.3.9
------------------------------
* Added fix for minor issue with :func:`insert_image` for images that extend over several cells.
* Added fix to ensure formula calculation on load regardless of Excel version.
0.3.8
------------------------------
* Added handling for Decimal(), Fraction() and other float types to the :func:`write()` function.
* Added Python 2.5 and Jython support. Thanks to Jonas Diemer for the patch.
0.3.7
------------------------------
* Added :func:`write_boolean()` function to write Excel boolean values. :feature:`37`. Also added explicit handling of Python bool values to the :func:`write()` function.
* Changed :func:`Workbook` constructor option ``strings_to_numbers`` default option to False so that there is no implicit conversion of numbers in strings to numbers. The previous behavior can be obtained by setting the constructor option to True. **Note** This is a backward incompatibility.
0.3.6
-----------------------------
* Simplified import based on a suggestion from John Yeung. :feature:`26`.
* Fix for NAN/INF converted to invalid numbers in write(). :issue:`30`.
* Added :func:`Workbook` constructor option ``strings_to_numbers`` to override default conversion of number strings to numbers in write().
* Added :func:`Workbook` constructor option ``default_date_format`` to allow a default date format string to be set. :feature:`5`.