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OpenJOC v0.3.0

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@github-actions github-actions released this 15 Aug 10:31
· 20 commits to master since this release
v0.3.0
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[0.3.0] — 2026-08-15

OpenJOC 0.3.0 is a feature release focused on a spatial-rendering foundation,
an experimental JOC spatial bridge, and clearer user-facing profile selection.

Added

  • Explicit spatial-scene rendering with validated 2D speaker layouts, 3D
    explicit-triplet layouts, sample-accurate trajectories, and caller-owned
    block outputs.
  • Static binaural rendering with a direct FIR reference backend, a uniform
    partitioned-convolution backend, and strict local SimpleFreeFieldHRIR
    SOFA import for the supported NetCDF classic CDF-1 subset.
  • JocSpatialBridge for codec-coordinate binding, spatial projection, Q32 gain
    scheduling, and linear accumulation in the supported ordinary domain.

Changed

  • User-facing decode and decode-payload profile selection now defaults to
    AUTO, which tries ETSI_STRICT before selecting a fully admitted
    OBSERVED_VENDOR_COMPAT fallback.
  • ETSI_STRICT remains explicit and strict; it never falls back. The canonical
    observed-deviation policy name is OBSERVED_VENDOR_COMPAT.
  • Public bridge and profile names are stable functional names; maturity,
    validation evidence, and unresolved semantics are documented separately.

Experimental

  • 0.3.0 introduces an experimental implementation of the JOC spatial bridge
    for the currently specified supported domain. Its
    SemanticBindingState remains Unresolved, and official runtime-oracle
    fidelity is not independently confirmed.

Compatibility

  • AUTO falls back only when every blocking deviation is admitted by the
    observed-vendor compatibility whitelist. Malformed, unknown, or
    non-whitelisted failures remain failures.
  • Legacy compatibility spellings remain accepted only as intentional input
    aliases where documented; canonical output uses OBSERVED_VENDOR_COMPAT.
  • Raw warp value 3 remains opaque and preserved, excluded from ordinary
    projection arithmetic, and unresolved in meaning.

Known Limitations

  • The bridge does not claim official vendor equivalence, bit-exact reference
    renderer equivalence, or a resolved JOC semantic binding.
  • The supported domain is narrower than all JOC content. Some bridge rules and
    constants remain experimentally specified rather than independently
    vendor-validated, and no official runtime reference confirmation is
    established.
  • Explicit renderer workflows use caller-supplied sources and do not turn
    unresolved reconstruction rows into authored-object audio.
  • Platform validation and publication remain scoped to the local Apple-silicon
    macOS release-candidate workflow; no 0.3.0 tag or remote release is created
    by this source closure.

Verification

  • GitHub Actions verified the exact version tag, source tree, and release artifact checksums.
  • The published binary targets are macOS arm64, Windows x86_64, and GNU/Linux x86_64.
  • Per-platform manifests remain internal verification artifacts; the public asset set contains one unified SHA256SUMS file.
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