REL: Matplotlib 3.1.0


We are happy to announce the release of Matplotlib 3.1!

Matplotlib 3.1 supports 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

For the full details see
- whats new:
- API changes:

A big thank you to everyone who worked on this release including the 151
people contributed code [1] and the many more who reported issues.

We are planning to have Matplotlib 3.2 released in September/October and
Matplotlib 2.2.5 (the final release of the 2.2.x LTS series) in December.




Thomas Caswell
tcaswell at
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