• Improved PDF export
• Fixed output expressions for AlgebraicNumber
• Better GUI for Manipulate
• Tabular support!
• New command palette features!
• New I/O element InputTerminal

• Missing symbols for Entity, EntityProperty, StadiumShape
• TooltipBox was replaced with Identity (some invisible labels on Graphics plots now are visible)
• Copy button was missing from cells properties
• CreateDocument, NotebookEvaluate and other tools for programmatic notebook creating and importing
• Updated NextJS / React integration. See example

• Polished native GUI on all platforms with system accent color support and customization in Settings.
• Reimplemented Input / InputString with async variants (InputAsync, InputStringAsync) for interactive input; added simple ProgressIndicator (supports dynamic symbols).
• Improved text rendering in graphics: Text can inset symbolic numeric expressions (e.g., 1/2, Exp[...], Sqrt[...])—note: dynamics only for strings.
• Shortcuts updates: new evaluate-and-jump shortcut (Ctrl/CMD+Enter)

• laser pointer on slides improved; press q to toggle;
• new Print to PDF feature for notebooks, including manual page breaks via PageBreakAbove/PageBreakBelow;
• paclet extensions: ship JS/CSS assets, write one package for WLJS/Mathematica/WolframScript, assets embed/cached in exported notebooks;
• Graphics & media: fixes to 2D aspect/arrows/curves; AnimatedImage exportable to HTML/MDX; easy GIF/video export from Animate.
• DEV & UX: async RasterizeAsync/ExportAsync; better clipboard options (ClickToCopy, Paste, CopyToClipboard);
• Windows binaries now digitally signed via SignPath.

• App Integrity: Core packages/modules moved from AppData into the app folder (immutable); only small personal settings stored outside. Initialization simplified and several hundred LOC removed. Updates now occur globally (no per-module local updates).
• Excalidraw Images: Whiteboards in markdown/slide cells now support drag-and-drop image files; images are embedded as base64 in notebook storage.
• Event-Driven Animations: New pattern for AnimationFrameListener makes it easier to attach handlers and frame triggers for interactive graphics.
• Pattern Matching on Slides (WLX): Introduced a new XML-like pattern design for WLX components
• Subscripts in Manipulate: Fixed pipeline so Subscript parameters work in Manipulate/Animate expressions (e.g., Subscript[f, C]).
• 2D Graphics: Improved rendering/behavior
• Graphics3D: Broader support for 3D plots

• Labels now behave more like Mathematica, supporting StandardForm, Automatic, offsets, LaTeX cells, and even custom WLJS functions.
• Improved export using custom ElectronJS-based PDF renderer, preserving dynamics/transitions.
• Correct rendering of standard forms like Complexes, Reals.
• Added TableAsync and DoAsync, allowing asynchronous versions of Table/Do.
• Better handling of 2D/3D plots with very large numbers of points (via WebGL OES_element_index_uint).
• Assistant plugin can now connect to locally running LLMs (e.g., Ollama), not just OpenAI models.
• Fixed missing AnimationRate and RefreshRate options in animations.
• Improved Windows network I/O stability and fixed minor bugs.

• Fixed breaking changes in built-in symbol outputs after WL 14.3, added a UI update separating input/output cells, and expanded styling options with new CSS classes for customization.
• Introduced a JIT transpiler for Refresh, plus new examples including Arduino hardware integration and a World of Goo-like game demo.

• ⚡ 1-click HTML export – Interactive functions like Manipulate now export automatically.
• 🛠 Faster Manipulate & Animate – JIT tweaks + tips for smoother plots & animations.
• 💻 Better Shell Cells – Continuous processes via StartProcess, no kernel block.
• 🏷 Improved graphics labels – Fixed positioning, offsets, and 3D PlotLabel.
• 🤖 LLM autocompletion – Optional AI coding help, enable in settings.

• Fixed TCP socket bug on macOS/Linux causing GUI - Kernel issues
• Image now supports EventHandler for interactivity
• New Canvas2D library for real-time drawing and animation
• JIT optimization for Manipulate and Animate
• Added Speak option to context menu
• New FrontTextSelected[] for accessing selected notebook text

• EchoLabel Upgrades: Now supports notifications, warnings, errors, spinners, and progress bars.
• Documentation Integration: Autocomplete includes links to both: WLJS and Wolfram documentation.
• Improved Code Pasting: Special handler converts unsupported Mathematica expressions using a local kernel.
• NB format Support: Enhanced parser of .nb files.
• New dragsignal Event: Enables manual control over drag behavior for constrained interactions.
• Code Formatter Fixes: Now it handels WLJS syntax sugar properly.
• Information Display: Switched to Wolfram's native Information output (image-based).
• Docs & Tutorials: New guides including porting dynamics from Mathematica to WLJS.
• Autocomplete UI: More user-friendly info boxes for symbol suggestions.
• Better support of PlotLabel and Inset
• Better ticks for 3D plots

• Performance: Smarter WLJS interpreter avoids duplicate reevaluations in dynamic expressions.
• Graphics: Added more 2D primitives; new SVGGroup supports grouped styling.
• Slides: Refined .slide cell styles for cleaner presentations.
• Async: AsyncFunction + Await simplify async logic; supports If, Set, Module, etc, but no loops yet.
• Animation Framework: Functional 2D animation engine built on async; supports scenes, easing, object control.

✨ Highlights

• 🔧 More Control Over Manipulate
• 📊 Expanded Plotly API Full access to Plotly's update methods:
  • Allows precise control over visual elements (e.g. opacity, color).
  • Enables dynamic updates using event handlers like sliders.
• 🎞️ Improved GUI for Animate
• 🌐 Improved Dynamic HTML Export (Live Demo) Full demo available here: LiveHTML Demo. Exporting widgets with Manipulate/Animate to HTML is now much more practical and feature-rich.
• We disabled automatic updates

🔧 Features & Enhancements

• 2D Input

  • Helper Boxes: Show borders around expressions for easier editing.
  • MatrixForm: Updated display style for matrix outputs.

• Datasets

  • Fixed rendering issues with complex datasets (e.g., CO₂ emissions data).

• Speech & Audio

  • Speak supports conversion to Audio via SpeechSynthesize.

• Video

  • Now supports audio playback and native browser streaming.

• Graphics & Inset

  • Improved Inset handling for combining 2D/3D elements, overlays, and interactive views.

🧪 Internals

• Welcome Screen: Intro tutorial on first WLJS Notebook launch.
• Watchdog: Micro self-tests for kernel reliability and hot-reload support.
• UI Fixes: Windows scrollbar layout bugs resolved.

🔓 On-Demand Licensing

Run WLJS Notebook without device-locked licenses using entitlements. Useful for server use — but expect slower evaluation speed.

👐 Open Source Support

• Now on Open Collective! Support and engage with the project: Join us here.

📊 Plotting Improvements

• Log plots fixed: LogPlot and LogLogPlot now scale correctly.
• New ImageSizeRaw support: Precisely overlay raster and vector graphics with pixel-perfect control.

🧱 Dataset Overhaul

• Major upgrade to Dataset support—now handles nested structures, symbolic keys, Entity, Quantity, and more.

🖼️ UI & Usability

• Added “Insert Cell Before” button (based on GitHub feedback).
• Extended MMAView: Native-style interactive 3D plots, Manipulate, Animate, and even ListAnimate now supported seamlessly.

🌐 Web & API Enhancements

• Simplified REST API with a JavaScript helper class—build custom notebook interfaces in minutes.
• MDX/React integration: Embed cells or full notebooks into blogs and React apps. See it in action here.

🔄 New Features & Enhancements

• 🖨️ Export to PDF (Desktop Only)

  • Full support for rendering notebooks as high-quality PDFs using Electron (Chromium) engine.
  • Smart whitespace trimming via offscreen rendering and pixel analysis.

• 🤖 Semantic Interpretation Shortcut

  • New shortcut: Ctrl = to auto-convert natural language to Wolfram code.

• 📚 LaTeX Cells

  • Improved LaTeX and Markdown compatibility using proper environment handling.

• 🖼️ Optional Mathematica Rendering

  • Use MMAView to render static previews via Mathematica engine.

• 🔺 Graph3D Support

  • Added support for GraphPlot3D, Graph3D, and related primitives.

• 🎨 2D Graphics Improvements

  • Implemented missing primitives and symbols (e.g., FaceForm, RegularPolygon).
  • Support for date histograms and flag visuals.

• 🧊 3D Graphics Upgrades

  • New primitives: Cone, Icosahedron and others added

• 🕸️ Enhanced Graph Styling

  • Inspired by IGraphM.
  • Improved layout options, styling themes, and large graph support.

• 📖 More Tutorials

  • Integrated examples from An Elementary Introduction to the Wolfram Language for beginners.

Our project was published in Towards Data Science (TDS) ✨