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Release notes 4.2.0 [ci skip]

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wiredfool 2017-07-01 03:30:48 -07:00
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@ -10,6 +10,24 @@ dependencies: harfbuzz, fribidi, and raqm. See the install
documentation for further details. This feature is tested and works on documentation for further details. This feature is tested and works on
Un*x and Mac, but has not yet been built on Windows platforms. Un*x and Mac, but has not yet been built on Windows platforms.
New Optional Parameters
=======================
* :py:meth:`PIL.ImageDraw.floodfill` has a new optional parameter:
threshold. This specifies a tolerance for the color to replace with
the flood fill.
* The TIFF and PDF image writers now support the ``append_images``
optional parameter for specifying additional images to create
multipage outputs.
New DecompressionBomb Warning
=============================
:py:meth:`PIL.Image.Image.crop` now may raise a DecompressionBomb
warning if the crop region enlarges the image over the threshold
specified by :py:attr:`PIL.Image.MAX_PIXELS`.
Removed Deprecated Items Removed Deprecated Items
======================== ========================
@ -24,3 +42,10 @@ Several deprecated items have been removed.
discard the alpha channel. From Pillow 3.4.0, a deprecation warning discard the alpha channel. From Pillow 3.4.0, a deprecation warning
was shown. From Pillow 4.2.0, the deprecation warning is removed and was shown. From Pillow 4.2.0, the deprecation warning is removed and
an :py:exc:`IOError` is raised. an :py:exc:`IOError` is raised.
Removed Core Image Function
===========================
The unused function ``Image.core.new_array`` was removed. This is an
internal function that should not have been used by user code, but it
was accessible from the python layer.