v2.9.0

What's New in v2.9.0

Shared RemoteSession Architecture

• Cross-simulation comparison: Results from different simulations can now be freely mixed in the same remote_figure() block. A single shared RemoteSession Dask Actor lazily loads multiple Emout instances on one worker.

  with remote_figure(figsize=(12, 5)):
      plt.subplot(1, 2, 1)
      data_a.phisp[-1, :, 100, :].plot()
      plt.subplot(1, 2, 2)
      result_b.vxvz.plot(cmap="plasma")

Backtrace fetch() API

• RemoteHeatmap.fetch() / RemoteXYData.fetch() transfer small result arrays to the client for full local matplotlib customisation (plt.xlabel, plt.subplot, custom annotations).

Package restructuring

• Renamed emout.emout → emout.core with backward-compatible import shim (DeprecationWarning on old paths).

Bug fixes (from Codex review)

• Data.axis(): np.array → np.arange (would crash at runtime)
• MultiGridDataSeries.iter: chain(iters) → chain.from_iterable(iters) (yielded iterators instead of data)
• vmin/vmax=0.0: falsy-zero silently ignored; now uses is not None check
• VectorData.init: name fallback assigned None instead of x_data.name
• sys.version_info: tuple comparison instead of fragile .minor check

Code quality

• Extracted apply_offset() utility (replaced 6 duplicate _offseted() definitions)
• Extracted _render_to_bytes() in RemoteSession (deduplicated 6 render methods)
• Comprehensive English docstrings across all modules
• Removed dead code: Units.translators(), unused from numpy import isin

Infrastructure

• UID-based scheduler port (10000 + UID % 50000) with auto-retry on collision
• Sphinx theme switched from RTD to Furo (dark mode, responsive design)

Documentation

• Shared session architecture guide (EN/JA)
• Multi-simulation comparison examples in README
• fetch() local customisation guide
• Port selection documentation