🚀 Release v2.8.0

🧩 Unix Sockets Fix
Resolved a TCP packet ordering bug in CSocketListener affecting GUI ↔ Kernel communication on macOS/Linux.

🖼️ Image Gets EventHandler
Image now supports interactive event handling—similar to Graphics.

🖌️ Canvas2D Library
New HTML5 Canvas API support with real-time drawing, gradients, and animations.

⚡ JIT for Manipulate / Animate
Automatic optimization of dynamic content using Offload, with fallback support.

🗣️ Context Menu: Speak
New Speak option for any selected text.

🧾 Frontend: FrontTextSelected[]
Access any selected notebook text programmatically.

🙏 Thanks!
Huge thanks to our community and Open Collective supporters!

See more at https://wljs.io/releases

Release notes 2.7.9 🔔

• 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 Graphics3D ticks: it is still not customizable, but an automatic one
• Inset and PlotLabel improvements

See more at https://wljs.io/releases

Release notes 2.7.8

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.

Bugs

• #315
• #403
• #388
• And many more

See more at https://wljs.io/releases

Release notes 2.7.6

Knock-knock...

Yes! A week later - a new update. We would call it more like a hotfix

By the way, we were published on Open Source Collective 🫶

✨ 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 (due to #400 ) (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 of modules. This will prevent a confusion, when App has version X, while a module has Y.

Release Notes – v2.7.5

🐞 Fixes

• #396
• #339 partially
• #394

🔧 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.

See more here https://wljs.io/releases

📢 We’re almost there! Just 60 views to go!
Help us reach our goal to become full-right authors on Towards Data Science 🙌

Support WLJS by reading and sharing our latest article:
📖 How to Use Gyroscope in Presentations, or Why Take a JoyCon to DPG2025

Your view helps us cover essential expenses like licenses and domain names (and coffee capsules) 💡

👐 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.

See more in our blog.

Bug fixes

• #384
• #390
• #340
• #184
• #382

and many more we did not count

See the full version of release notes here

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

Bugfixes

• #300
• #374
• #371
• #373
• #381
• #372
• #376

and many more

🔄 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.

All test were passed (playwright)

[All 143](http://localhost:9323/#?)
Passed 143 Failed 0 Flaky 0 Skipped 0
Project: chromium
Filtered: 143 (9.5m)
24/04/2025, 13:00:17
Total time: 10.2

🔥 What’s New

• WebGL Hardware Acceleration – Smoother GraphicsComplex rendering for DensityPlot, ContourPlot, and more.
• Experimental Texture Support – 2D GraphicsComplex now supports Texture mapping.
• Placed with Legended – Fully supported for more flexible legend positioning.
• TeXForm Returns – Convert, import, and render TeX in markdown cells.
• GeoGraphics Raster Support – Improved rendering with full rasterization.
• ImageUpscaling Option – Better quality when using Rasterize (Desktop App only).
• WLJS Interpreter Enhancements – Improved support for dynamic/numeric arrays and Offload.
• Improved HTML Export – Manipulate now works offline with better memory management.
• Organized Examples & Guides – Revamped structure for easier learning (more content coming).

🦿 What's fixed

• #369 (ports mismatches)
• #361 (for Chromebook) libuv now is shipped together with WLJS
• #326 (GeoGraphics, ClockGauge and some other broken functions)

See more here

Release 2.7.1

Note, if you are using WLJS Desktop App >= 2.6.9, this update will be installed automatically

Improvements

• Added support for Legended, PlotLegends, and LineLegend objects.
• Expanded coverage of Legended features in Mathematica.
• Improved support for Mathematica and HTML notebooks.
• Replaced JS-based bindings inspection with a Wolfram Kernel-based approach.
• Streamlined and refined the Docker image for easier deployment.
• Integrated playwright for automated DOM-based screenshot testing.
• Added full support for ESM and Shell cells on Windows.

For more details and contributions see

Note, if you are using WLJS Desktop App >= 2.6.9, you do not need to manually install this update.

See more release notes here

UI changes

• Insert a cell by moving with arrow keys and typing any letter.
• Copy cell groups as a single string and paste into a new input cell.

Decorations and GUI blocks

• Improved Short function for better formatting in outputs.

• New controls for navigating presentation slides using RevealJS API.

• InputRange sliders can be updated programmatically while maintaining state.

• Manipulate supports programmatic control with persistent state.

• Improved comand palette

• Minor bug fixes with Electron App