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@JustinPrivitera JustinPrivitera released this 01 Sep 20:30
v0.9.8
0d6c693
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0.9.8 Release Highlights

(adapted from Conduit's Changelog )

Released 2026-09-01

Added

Relay

  • Added optional support for reading and writing HDF5 attributes.

Blueprint

  • Added additional options for conduit::blueprint::mesh::examples::venn() allowing for the creation of a material map in all cases as well as the creation of species sets. These options were exposed in conduit::blueprint::mesh::examples:generate().
  • Added conduit::blueprint::mesh::matset::has_mixed_elements() which can determine if a material set contains any mixed elements.

Changed

Blueprint

  • Made verify for matsets more restrictive, rejecting matsets that include materials outside of the material map that have no volume fractions.

General

  • Turned python on by default in build_conduit.
  • Added CONDUIT_PYTHONPATH, the absolute path of Conduit's installed Python module, to Conduit's CMake config.

Fixed

General

  • Fixed Python unit test registration to use Python3_EXECUTABLE instead of PYTHON_EXECUTABLE. Configuring with -DPython3_EXECUTABLE left the old variable empty, which registered every Python test with an empty program name (ctest reported Could not find executable -B) and made those tests unrunnable.
  • Fixed a case where a Python with setuptools < 61.0.0 would silently result in empty python modules. The python modules are installed with pip install --no-build-isolation, so pip uses the setuptools installed in the selected python rather than the version our pyproject.toml files request. The exit code of the install-time pip install is now checked so thta pip errors don't go unnoticed, and the install is validated after the fact by ensuring the presenece of the top-level __init__.py.
  • A setuptools bare-minimum version (61.0.0) is now manually enforced at configure time.

Blueprint

  • Fixed more C++20 issues with runtime fmt params in Silo support implementation and tests.
  • Fixed an issue where the conduit::blueprint::mesh::examples::venn() example would produce incorrect output for large radii.

Relay

  • The conduit::relay::mpi::safe_tag function and its underlying logic to probe the maximum allowable MPI tag were modified to avoid MPI_Waitall. Tag values now use modulo above the upper limit as opposed to clamping.
  • Fixed a bug with the Silo reader where material-dependent fields failed to read correctly on domains that had no mixed material elements.
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