REL: v3.0.2

This is the second bug-fix release for the v3.0 series.

 - Un-breaks basemap which was broken by partially restoring
   private APIs for cartopy.
 - Fixes bug in warning code when used in an embedded context.
 - Fixes crash when using Tk and closing the first open window before showing it
 - Many documentation improvements.
 - Restore a corner case on ColorBar tick usage.
 - Change the default behavior of `matplotlib.use` to silently allow
   more 'safe' switching after auto-discovery, but before starting an event loop.
 - Improvements to bounding box calculations.
 - Provide the correct length for RcParams instances.

REL: v3.0.1

This is the first bug fix release for the 3.0 series which fixes
several

 - Fix failure to import bug when used with backend-fallback on Python
   3.6.7 and 3.7.1
 - Fixed a number of failure to import bugs around finding fonts
 - Fix Qt4 backend
 - Fix bug on OSX that recursively searched current directory for fonts
 - Fix bouncing-rocket on OSX when doing backend fallback and not
   selecting OSX
 - Temporarily restore several private APIs to unbreak cartopy
 - Make pyplot more tolerant of varying signatures in 3rd-party
   sub-classe
 - Improve datetime64 unit handling
 - Fixed several poor interactions with tight_layout

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