WLJS 3.0.9 is out 🏝️
Published on July 11, 2026 by Kirill Vasin
Highlights
- Refreshed UI with lighter colors and improved visual elements.
- Expanded formatting support for Grid, Row, Column, and TableForm, including alignment, spacing, dividers, sizing, headings, and baseline positioning.
- Deploy now works with decorated expressions, making complete expression trees non-selectable and non-editable.
- Panel now supports Background and Appearance options.
- Added Locator[] for interactive 2D and 3D coordinate manipulation.
- Improved TextView with multiline support, reduced default styling, and ImageSize.
- Added frontend support for ToString, NumberForm, StringJoin, and Round, including use with Offload.
- Improved packed and numeric array serialization using base64-encoded WXF, reducing payload size, memory usage, and CPU overhead.
- Frontend association symbols now support key access such as a["key"].
- StandardForm[expr] can be used to render expressions with output-cell formatting inside slides, WLX, and Markdown cells.
Bug Fixes
- Fixed JIT issues affecting Animate, Refresh, Manipulate, polygon conversion, vertex colors, and unsupported data structures.
- Fixed the Insert Matrix snippet.
- Added Transparent support for 2D and 3D graphics.
- Fixed invisible text selection.
- Fixed issues with MCP, CLI, CreateWindow, InputTerminal, and UI separators.


