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Release notes for 8.0.13.01 - #1908

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Aug 12, 2026
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Release notes for 8.0.13.01#1908
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Release-cut docs for 8.0.13.01, so the tag points at a self-describing tree (docs/RELEASING.md step 1).

A PATCH bump — the range is bugfixes plus internal tooling; no new user-facing feature.

Eight PRs since 8.0.12.01, from two sessions:

PR user-visible
#1903, #1906 Chombo + MovingBoundary read via pure-java io.jhdf; ncsa.hdf retired yes — arm64 Macs can read stored results
#1900 Chombo cut cells written as polyhedra; shared faces stay shared yes (mesh correctness + ~10× smaller)
#1899 JVM heap sized to fit the container operational
#1904 JDWP opt-in instead of always-on security
#1907 HDF5 table export via the pure-java writer export path
#1901 BMDB nightly actually passes/fails CI only
#1898 tools/release/ checked in internal

Worth flagging to whoever smoke-tests this

io.jhdf goes 0.8.4 → 0.13.0, and it sits under every HDF5 read path — including reading stored simulation results. The bump was required (chunked slice reads need ≥0.9.3, which MovingBoundary depends on) rather than opportunistic, but unit tests won't prove it against real archived data. Open some existing results, not just newly generated ones.

The HDF5 files VCell writes are unchanged in structure; only the library reading and writing them changed.

🤖 Generated with Claude Code

https://claude.ai/code/session_01SY1XHgTZXZPqUECo2VBAWg

Eight PRs since 8.0.12.01, from two sessions. The user-facing headline is that Chombo
and MovingBoundary results can now be read on an Apple-silicon Mac: both readers used a
JNI binding with no arm64 build, so reading a stored result meant a linux/amd64
container. Chombo meshes are also correct at the voxel/cut-cell interface and roughly an
order of magnitude smaller.

Server-side: the JVM heap sizing mistake that an hourly restart had masked for six
months, and JDWP no longer on by default.

Carries a dependency bump that is worth calling out to whoever tests this -- io.jhdf
0.8.4 to 0.13.0, under every HDF5 read path including stored simulation results.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SY1XHgTZXZPqUECo2VBAWg
@jcschaff
jcschaff merged commit ab9c5b1 into master Aug 12, 2026
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