0.18.0

List view

Add C bindings

frontend: C99/11

Status: Draft (not ready).

openPMD/openPMD-apinumber 1537

#1537 In openPMD/openPMD-api;

· eschnett opened on Oct 15, 2023

Julia bindings

api: newadditions to the APIadditions to the API

frontend: Julia

Status: Open (in progress).

openPMD/openPMD-apinumber 1025

#1025 In openPMD/openPMD-api;

· eschnett opened on Jun 27, 2021

[WIP] Script: Filter & Copy Particles

frontend: Python3

help wanted

Status: Open (in progress).

openPMD/openPMD-apinumber 1390

#1390 In openPMD/openPMD-api;

· ax3l opened on Mar 21, 2023

Implement a region calculus

api: newadditions to the APIadditions to the API

frontend: C++17

Status: Open (in progress).

openPMD/openPMD-apinumber 995

#995 In openPMD/openPMD-api;

· eschnett opened on May 25, 2021

ADIOS2: Non-MPI Parallel Reads (DASK)

backend: ADIOS2

frontend: C++17

frontend: Python3

Status: Open.

#1500 In openPMD/openPMD-api;

· ax3l opened on Aug 9, 2023

Back-Transformed Diagnostics like Tests

tests

Status: Open.

#1499 In openPMD/openPMD-api;

· ax3l opened on Aug 8, 2023

Added a simple btd example

tests

Status: Open (in progress).

openPMD/openPMD-apinumber 1791

#1791 In openPMD/openPMD-api;

· guj opened on Oct 13, 2025

Read: Close Oldest Iterations

api: newadditions to the APIadditions to the API

Status: Open.

#1422 In openPMD/openPMD-api;

· ax3l opened on Apr 8, 2023

Python Bindings: Sub-Dir/Build

feature request

install

Status: Open.

#1455 In openPMD/openPMD-api;

· ax3l opened on Jun 5, 2023

Missing stub files confuse static type checkers

feature request

frontend: Python3

Status: Open.

#1385 In openPMD/openPMD-api;

· s-sajid-ali opened on Mar 2, 2023

Roadmap: Wishlist of new features

api: newadditions to the APIadditions to the API

discussion

feature request

help wanted

Status: Open.

#1332 In openPMD/openPMD-api;

· franzpoeschel opened on Nov 15, 2022

Python Object Comparison Support

feature request

frontend: Python3

Status: Open.

#1658 In openPMD/openPMD-api;

· ax3l opened on Aug 5, 2024

Virtual Records (Derived Variables)

backend: ADIOS2

Status: Open.

#1664 In openPMD/openPMD-api;

· ax3l opened on Aug 19, 2024

Query backend versions

backend

discussion

feature request

frontend: C++17

frontend: Python3

help wanted

Status: Open.

#1563 In openPMD/openPMD-api;

· franzpoeschel opened on Dec 1, 2023

Skip PerformPut for BP5

backend: ADIOS2

feature request

Status: Open.

#1751 In openPMD/openPMD-api;

· guj opened on Apr 29, 2025

Examples: Literal Include

documentation

tests

Status: Open.

#1822 In openPMD/openPMD-api;

· ax3l opened on Dec 17, 2025

HDF5: Remove Support for Old Versions

backend: HDF5

MPI

Status: Open.

#1514 In openPMD/openPMD-api;

· ax3l opened on Aug 18, 2023

Dataset: ArrayInterface Overload

feature request

frontend: Python3

good first issue

Status: Open.

#1831 In openPMD/openPMD-api;

· ax3l opened on Jan 13, 2026

Conditionally Install CMake CPS Files

feature request

install

Status: Open.

#1865 In openPMD/openPMD-api;

· ax3l opened on Mar 23, 2026

Introduce more flexible storeChunk() syntax, use to add ADIOS2 memory selection

api: newadditions to the APIadditions to the API

backend: ADIOS2

frontend: C++17

frontend: Python3

Status: Open (in progress).

openPMD/openPMD-apinumber 1620

#1620 In openPMD/openPMD-api;

· franzpoeschel opened on May 17, 2024

Overhead with variable-based bp5 series

affects latest release

backend: ADIOS2

bug

performance

Status: Open.

#1859 In openPMD/openPMD-api;

· aeriforme opened on Mar 4, 2026

ADIOS2 Engine Used at Runtime

backend: ADIOS2

feature request

frontend: C++17

frontend: Python3

Status: Open.

#1913 In openPMD/openPMD-api;

· ax3l opened on Jul 8, 2026

Test: Attribute Only Iterations

backend: ADIOS2

backend: HDF5

tests

Status: Open (in progress).

openPMD/openPMD-apinumber 1916

#1916 In openPMD/openPMD-api;

· ax3l opened on Jul 13, 2026