REL: v3.2.1

This is the first bugfix release of the 3.2.x series.

This release contains several critical bug-fixes:

 - fix `Quiver.set_UVC` calls with scalar inputs
 - fix `bezier.get_parallels` failure from floating point rounding
   errors
 - fix markers specified as tuples (polygons, stars, or asterisks)
 - fix saving PNGs to file objects in some places
 - fix saving figures using the nbAgg/notebook backend
 - fix saving with tight layout using the PGF backend
 - fix setting custom datapath in rcParams (note: it is still
   deprecated)
 - fix various issues running setup.py in non-CI environments
 - fix xpdf distiller
 - various minor bug and documentation fixes

REL: v3.2.0

Highlights of this release include:

 - default image interpolation is now `'antialiased'` to better handle
   down-sampling and reduce artifacts when up-sampling by small
   ratios.
 - change when ticks switch to using an offset to improve readability
 - improvements to auto-scaling and auto-limits
 - `DivergingNorm` has been renamed to `TwoSlopeNorm`
 - support for 3 and 4 digit hex colors (`#123` maps to `#112233`)
 - improvements to Logit scale ticker and formatter
 - control of where errorbars start getting placed with `errorevery`
 - correct kerning when laying out text
 - improvements to MovieRegistry

For the full details please see the whats new [1] and API changes [2]
in the documentation

[1] https://matplotlib.org/3.2.0/users/whats_new.html
[2] https://matplotlib.org/3.2.0/api/api_changes.html

REL: v3.2.0rc3

This is the third rc for Matplotlib 3.2

REL: v3.1.3

This is the final planned release of the 3.1.x series.

This release contains several critical bug-fixes:

 - suppress a warning with Pandas 1.0
 - support pillow >= 7
 - support dateutils >= 2.8.1
 - prevent an infinite recursion
 - do not clobber non-python registered signal handler
 - fix path intersection computation with 0 length segments
 - fix performance regression in draw_idle
 - several minor bugs

REL: v2.2.5 LTS

This is the final planned release of the 2.2.x series and the last Matplotlib
release to support Python 2.7.

This release primarily contains bug-fixes. Of note:

 - suppress a warning with Pandas 1.0
 - support numpy >= 1.17
 - support python 3.8
 - improve jquery installation process

REL: 3.1.2

 - fix regresion of incorrect limits for y-axis in imshow
 - fix integer indexed pandas series
 - fix ScalarFormatter formatting of masked values
 - webagg and nbagg no longer incorrectly fallback to agg when $DISPLAY is not set
 - several fixes for Qt5 backend
 - other bugfixes and documentation fixes

REL: v3.2.0rc2

This is the second release candidate from Matplotlib 3.2

REL: v3.2.0rc1

This is the first release candidate from Matplotlib 3.2

REL: v3.1.1

The first bug-fix release of the 3.1 series

  * Locator.nonsingular return order API change

Lots of backports of various bug fixes.

REL: v3.1.0

The first release of the v3.1 series

This version of Matplotlib support Python 3.6+

Highlights of this release include:

 - A helper method for scatter legends
 - Secondary axis support (ex, degrees and radians)
 - A concise date formatter
 - No longer requires a framework build of Python to use OSX backend
 - Major and minor ticks will no longer collide by default
 - A progress callback for animations
 - mplot3D is always registered
 - deprecated mlab functions have been removed
 - Many function calls have become stricter about invalid or ignored input

REL: v3.1.0rc2

This is the second release candidate from Matplotlib 3.1

REL: v3.1.0rc1

This is the first release candidate from Matplotlib 3.1

REL: v3.0.3

The third and last planned bug-fix release of the 3.0 series

* fix several possible memory leaks
* documentation fixes

jquery-ui is no longer bundled in git repo and is downloaded during
the install or sdist process. If you are installing from pypi the
files will be included, but if you are installing from git you will
need internet access the first time you run `pip install .`. The
install process tries to cache the files and will not need internet
access on future installations.

REL: v2.2.4 LTS

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

 - Fix a memory leak with PySide2.
 - rename :math: sphinx directive to :mathmpl: to work with sphinx >
   1.8. Both versions are now available if sphinx < 1.8.
 - avoids numpy deprecation warnings.
 - fixes to tests to work with pytest >= 3.8 and the minimum is now
   pytest >= 3.6.

jquery-ui is no longer bundled in git repo and is downloaded during
the install or sdist process. If you are installing from pypi the
files will be included, but if you are installing from git you will
need internet access the first time you run pip install .. The
install process tries to cache the files and will not need internet
access on future installations.

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