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v0.3.0

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@github-actions github-actions released this 06 Aug 19:17
v0.3.0
edb755f

What's Changed

Added

  • First-launch hydra-swe2d wheel installer — no more compiling CUDA from source. Install the plugin zip and the first launch downloads the pre-built backend wheel (Linux manylinux_2_28 + Windows win_amd64) into an isolated ~/.hydra2dgpu environment automatically.
  • New open_bc_relaxation stability knob (Numerics / Stability) that damps reflections at OPEN, REFLECT, NORMAL_DEPTH, and NORMAL_DEPTH_SLOPE boundaries. Per-edge overrides via a bc_relax field on the BC line layer.
  • New spatial reconstruction schemes:
  • FV_BARTH_JESPERSEN (scheme 5) — Barth-Jespersen gradient limiter for robust 2nd-order on poor meshes
  • FV_WENO3 (scheme 6) — true 3-sub-stencil WENO, 3rd-order with 1-ring stencil
  • FV_MP5 (scheme 8) — Suresh-Huynh Mapped Monotonicity-Preserving, 4th-order (CFL ≤ 0.4)
  • Per-scheme CFL limits enforced in solver backend

Changed

  • FV_WENO5 renumbered from scheme 6 to scheme 7; old scheme-6 persisted configs emit a migration warning
  • Reconstruction scheme combo in GUI shows all 9 schemes
  • Plugin imports from qgis.PyQt (Qt 5/6 portable) instead of bare PyQt5, supporting both QGIS 3.28+ (Qt 5) and QGIS 4.x (Qt 6) from a single source package
  • Plugin restructured into qgis_plugin/HYDRA2DGPU/ for QGIS plugin repo submission (binary-free, <20 MB); LICENSE now bundled in the plugin zip
  • Release wheels are built portable (x86-64-v2) so they run on CPUs without AVX-512; the Windows wheel bundles the CUDA runtime DLL so it installs on machines without a CUDA toolkit
  • Windows backend install hardened for OSGeo4W QGIS: venv created from the real python.exe (not the QGIS launcher), pip invoked via python -m pip, and subprocess workers (Gmsh meshing, batch runs) run in a plain interpreter instead of spawning a second QGIS instance
  • High-performance overlay + native mesh modules now import correctly from the wheel install
  • QGIS plugin repo security findings resolved (no silent exception swallows; hardened subprocess / URL-open boundaries)

Removed

  • GPU Direct Viewer stack (Phase 1–5: LiveSnapshotReader, GPUViewerDialog, CUDA-OpenGL interop, DiagRecord ring buffer, HUD, NVENC) — deferred from this release; non-functional and was a Windows build blocker. Preserved in git history.
  • docs/DEVELOPER_GUIDE.md §8 (Studio UI API Reference) and docs/UI_COMPONENT_GUIDE.md — replaced with redirects to STUDIO_GUI_API.md
  • tools/package_release.py (zip-with-bundled-binary packager) — replaced by tools/package_plugin.py

Full Changelog: v0.2.2...v0.3.0

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