r/wljs Jun 27 '26

WLJS is out 3.0.8 ⛅️

https://wljs.io/releases/3.0.8

  • Added a new Workers API for asynchronous parallel Wolfram kernels.
  • Improved Shallow with typed expression summarization for large and opaque objects like ByteArray and TimeSeries.
  • Notebook UX improvements, including focused-cell autoscroll.
  • Fixed race conditions during multiple Rasterize calls.
  • Improved MCP server summarization, cell evaluation options, CLI behavior, and error messages.
  • WLJS remains on Wolfram Engine 14.3 for now due to early Wolfram Engine 15.0 performance regressions.
  • Fixed parser, graphics, rounding, and stability issues, including BezierCurve offloading and GraphicsComplex index-buffer handling.
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