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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

1.2.0 - 2026-02-10

Added

  • Auto-numbered captions: Poster compiler automatically prepends bold "Figure X." and "Table X." labels to caption elements
  • Hardcoded color palettes: viridis, plasma, inferno, magma, cividis palettes work in CI environments without matplotlib installed

Fixed

  • Viridis palette lookup for matplotlib 3.9+ (use dict access instead of deprecated .get())
  • CI cross-platform failures across macOS, Linux, and Windows
  • Caption label isolation: flex layout no longer forces "Figure X." onto its own line when caption is the last child of a poster section

Changed

  • Poster layout refinements: chart-row layout, vertical centering, Figure 2 clipping fix
  • Extended Figure 2 caption to multi-line with descriptive text
  • Trimmed Limitations box to prevent text overflow

1.1.1 - 2026-02-08

Fixed

  • PyPI image links now use absolute URLs for correct rendering on pypi.org

Added

  • PyPI version badge, CI status badge, and download count badge to README

1.1.0 - 2026-02-08

Added

  • Academic poster extension: ASCII grid layout system with cdl-slides poster compile command
    • Per-section callout boxes with color theming
    • Avenir math fonts, balanced layout, styled reference/acknowledgment boxes
    • Rounded-rect emoji backgrounds
  • Inline Chart.js support: Bar, line, scatter, pie, doughnut, and radar charts via ```chart blocks
    • 14 built-in color palettes (CDL, seaborn, matplotlib, colorblind-friendly, and more)
    • Support for any matplotlib colormap or seaborn palette by name
    • Per-bar colors, axis labels, alpha transparency, italic captions
  • SVG chart renderer: Matplotlib-based SVG rendering for poster charts (print quality)
  • pyyaml added as a dependency (required for poster front matter parsing)

Fixed

  • Code block overflow when callout boxes are present on the same slide

1.0.0 - 2026-02-06

Added

  • Animate DSL: Declarative syntax for creating Manim animations without writing Python code
    • Object commands: write equation, write text, create axes, create graph, plot, create circle/square/arrow
    • Animation commands: fade-in, fade-out, draw, transform, wait
    • Position modifiers: at center, above/below/left-of/right-of
    • Metadata options: height, width, quality, scale
    • Escape hatch: manim <python_code> as NAME for complex animations
  • Flow diagrams: Simple ```flow syntax for pipeline diagrams with Dartmouth brand colors
  • Smart preprocessing: Auto-splits long code blocks and tables across slides
  • Callout boxes: Note, tip, warning, definition, example, and important box styles
  • Two-column layouts: Flexbox-based column layouts with callout box styling
  • Scale directives: Manual and automatic font scaling for dense slides
  • Emoji figures: Styled emoji icons with colored backgrounds
  • Arrow syntax: Shorthand for styled arrows (--[80]->, --[lg]->)
  • Syntax highlighting: Code blocks with line numbers via Pygments
  • Math support: KaTeX for inline and display equations
  • Cross-platform Marp CLI: Auto-downloads standalone binary on first use (macOS, Linux, Windows)
  • Multiple output formats: HTML, PDF, and PPTX

Features

  • Zero-config installation: pip install cdl-slides includes everything (Manim, FFmpeg, fonts)
  • Bundled fonts: Avenir LT Std, Fira Code, Noto Sans SC
  • Bundled ffmpeg via imageio-ffmpeg — no system installation required
  • GIF caching by content hash for fast re-compilation
  • Graceful degradation: animation errors show warning-box instead of crash

CLI Commands

  • cdl-slides compile — Compile Markdown to presentation
  • cdl-slides init — Create new presentation from template
  • cdl-slides version — Show version and Marp CLI status
  • cdl-slides setup — Pre-download Marp CLI binary