v1.14.0

1.14.0 - (2025-05-30)

Added

• New functions:
  • imrotate: Rotate an image.
  • scatter3: 3D scatter plot.
  • colormaplist: List available colormaps.
  • arrayfun: Apply a function to each element of an array.
  • nelsonappid: Return the Nelson application ID.
• New colormaps:
  • nebula, flag, prism.
• New properties:
  • WindowState for Figure objects.
  • Units for UIControl objects.
  • DefaultFigureAlphamap, DefaultFigureColormap as root properties.
• Support for nix develop, providing a reproducible Bash shell preconfigured with Nelson’s build environment.
  See BUILDING.md for details.
• A justfile to streamline and standardize the build process across platforms.
• Support for:
  • Fedora 42.
  • Flatpak package distribution.

Changed

• scatter improvements:
  • Now returns a scatter graphic object (instead of a line graphic object).
  • Improved rendering precision for scatter symbols (pixel-perfect accuracy).
  • Supports alpha channel (transparency).
• scatter3 now supports alpha channel.
• spy now uses scatter instead of plot for better accuracy.
• Colormap handling updated to use the new DefaultFigureColormap root property.
• Improved error message when parsing invalid anonymous functions.
• Boost:
  • Now supports Boost 1.88 (#1378).
  • Minimum required version set to 1.71.
• Updated dependencies and platform support:
  • Qt 6.9.0 on Windows x64.
  • JSON for Modern C++ updated to v3.12.0.
  • Mozilla CA certificates updated (Tue May 20 03:12:02 2025 GMT).

Fixed

• #1413: axes function did not properly manage figure objects.

Technical Improvements

• Application ID changed to io.github.nelson_lang.Nelson.
• GitHub CI:
  • Now uses Windows 2025 for Windows builds.
  • Major workflow rework for improved reliability and maintainability.
• Build system:
  • Updated to latest Prettier version.
  • Added use of shared library suffix via a CMake macro.
  • Included CPU target name in Linux packages.
  • Minimized dependencies on SLICOT.