Openpmd-api

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**Date:** 2018-01-23

Bug Fixes in Multi-Platform Builds

This release fixes several issues on OSX, during cross-compile and with modern compilers.

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**Date:** 2019-01-11

JSON Support, Interface Simplification and Stability

This release introduces serial JSON (``.json``) support.
Our API has been unified with slight breaking changes such as a new Python module name (``import openpmd_api`` from now on) as well as re-ordered ``store/loadChunk`` argument orders.
Please see our new "upgrade guide" section in the manual how to update existing scripts.
Additionally, many little bugs have been fixed.
Official Python 3.7 support and a parallel benchmark example have been added.

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**Date:** 2018-11-12

Reading Varying Iteration Padding Reading

Support reading series with varying iteration padding (or no padding at all) as currently used in PIConGPU.

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**Date:** 2018-09-25

Python Stride: Regression

A regression in the last fix for python strides made the relaxation not efficient for 2-D and higher.

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**Date:** 2018-09-24

Relaxed Python Stride Checks

Python stride checks have been relaxed and one-element n-d arrays are allowed for scalars.

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**Date:** 2018-09-20

Particle Patches Improved, Constant Scalars and Python Containers Fixed

Scalar records properly support const-ness.
The Particle Patch load interface was changed, loading now all patches at once, and Python bindings are available.
Numpy ``dtype`` is now a first-class citizen for Python ``Datatype`` control, being accepted and returned instead of enums.
Python lifetime in garbage collection for containers such as ``meshes``, ``particles`` and ``iterations`` is now properly implemented.