REL: v3.0.0

The first release of the Matplotlib 3.0 series

This is the first version of Matplotlib to only support Python 3.

Highlights of this release include:

 - GUI backend is selected at run-time based on what toolkits are
   installed.  A GUI toolkit will not be selected on a headless
   server.
 - New cyclic color map *twilight*
 - Improvements to automatic layout of titles, ticks, and GridSpec
 - Many bug fixes!

REL: v3.0.0rc2

This is the second release candidate for Matplotlib 3.0.

REL: v3.0.0rc1

This is the first release candidate for Matplotlib 3.0

REL: v2.2.3

The third bug-fix release of the v2.2 LTS series

In addition to documentation and example fixes this release
fixes several critical bugs:

- Fix import failure on BSD systems
- Fix import errors in Qt shims for PyQt5 5.11 and PyQt4 4.12
- Fix import errors if bz2 module is not in standard library
- Fix overflow in _path.h
- Fix infinite recursion in transform repr
- Fix bug with XKCD style
- Remove unsafe usage of Popen

REL: v2.2.2 LTS

The second bug-fix release of the v2.2 LTS series.

This release fixes a number of critical bugs:

 - restores matplotlib.verbose (fixing embedding in pycharm)
 - preserve precision when color mapping small portions of data with
   extreme outliers
 - fixes saving long movies with ffmpeg
 - fixes UnbourdLocal error in contour labeling
 - fixes import failure on python 3.4.0 and 3.4.1
 - fixes compile time failures with clang on 32bit platforms
 - fixes an icon in the Tk backends
 - fixes several issues with Tables
 - fixes expanding offset boxes with tight_layout
 - revert changes to the font caching to avoid a possible bug in
   backports.lru_cache
 - numerous docstring and documentation fixes

We have reverted the deprecation of `font_manager.TempCache`.

v2.2.1 did not actually restore matplotlib.verbose.

REL: v2.2.1 LTS

The first bug-fix release of the v2.2 LTS series.

This release fixes a number of critical bugs:

 - restores matplotlib.verbose (fixing embedding in pycharm)
 - preserve precision when color mapping small portions of data with
   extreme outliers
 - fixes saving long movies with ffmpeg
 - fixes UnbourdLocal error in contour labeling
 - fixes import failure on python 3.4.0 and 3.4.1
 - fixes compile time failures with clang on 32bit platforms
 - fixes an icon in the Tk backends
 - fixes several issues with Tables
 - fixes expanding offset boxes with tight_layout
 - revert changes to the font caching to avoid a possible bug in
   backports.lru_cache
 - numerous docstring and documentation fixes

We have reverted the deprecation of `font_manager.TempCache`.

REL: v2.2.0 LTS

The first release of the v2.2 LTS series and the last version of
Matplotlib to support python2.  There will be bug-fix release for this
series until 2020.

This release includes new features including:

 - An experimental constrained layout manager
 - Color blind friendly color map (cividis) and color cycle
   (tableau-colorblind10)
 - native support for numpy.datetime64 types
 - animated gif writing via pillow
 - TkAgg now works with pypy
 - cairo based backends for Qt, Tk, and WX

There are several API changes in this release:

 - To support the constrained layout Matplotlib has a new required
   dependency (kiwisolver).
 - The `matplotlib.finance` module has been removed, development has
   moved to a stand-alone project.

REL: v2.2.0rc1

The first rc for Matplotlib 2.2.0

REL: v2.1.2

The second bug-fix release for the 2.1 series.

This release fixes a number of critical bugs:

 - fix a typo in mlab.cohere which yielded incorrect results
 - allow nonposx / nonposy to pass through loglog
 - fix color comparisons when finding handles with legend
 - fixes a recursive draw bug and a major performance regression in
   Qt5Agg backend
 - fix a re-draw bug in WxAgg
 - fix image scaling with high-bit depth integers
 - revert the busy-cursor

REL: v2.1.1

The first and only planned bug-fix release for the 2.1 series.

This release include many bug and documentation fixes.  Highlights are:

 - change default logscale behavior to clip
 - fixed webagg import errors
 - tweaks to polar ticks
 - fixed exception when guessing afm family names
 - update manifest to include all doc files
 - improve masked array handling in pcolormesh
 - fix segfault from reading invalid png
 - fix blocking_input
 - fix bug resulting in huge multi-page pdf files
 - make `show` in nbagg take args as other backends do
 - several fixes to OSX backend
 - restore positional arg handling on Figure.legend
 - fix bugs in interactive navigation
 - fix issues when panning with invalid limits
 - fix bug with fully masked arrays passed to imshow