Clawpack 5.7.0 released

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Randall J LeVeque

Apr 27, 2020, 12:44:10 PM4/27/20
to, Developers of Clawpack
Dear Clawpack Users,

We are happy to announce that Clawpack 5.7.0 has been released.

Version 5.7.0 contains several bug fixes and also some substantial improvements / enhancements of GeoClaw capabilities.

Some changes in amrclaw and geoclaw are not entirely backward compatible. Users of these packages should do
    make new
in any example/application directory the first time recompiling with the new code.  

See the v5.7.0 release notes for a summary of all changes.  This also contains links to documentation on some of the new features.

How to get the latest version:

for several installation options and the list of prerequisites.

Installing from a tarfile is not generally recommended, but one is available at:
The tarfile is also permanently archived on Zenodo with DOI 10.5281/zenodo.3764278.   So if you publish results (and also, we hope, the code used to generate them) based on this version, you can rest assured that it will always be available to your readers.  For earlier versions, see
Dockerhub and Pypi have also been updated.

Many thanks to everyone who contributed to this release. You can view all the commits, diffs, and contributors starting from the release notes page     

Dropping support for Python 2

As of v5.7.0 we are no longer supporting Python 2.7, and users should switch to Python 3.x.  This is consistent with most of the scientific Python software stack we rely on, see
At this point we believe v5.7.0 still works with Python 2.7, but we are phasing out testing with 2.7 or requiring this compatibility in the future.

New Clawpack Logo

We have switched to the new Clawpack logo on documentation pages.  NumFOCUS generously provided us with a professional designer to design the new logo.

Happy Computing,
  The Clawpack Development Team

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