smart_latex 2.1.0

Self-contained Flutter LaTeX rendering with bundled KaTeX metrics, input repair, RTL-safe layout, and no extra math package.

2.1.0 - 2026-06-30

Added

• Unicode math conversion in the sanitizer: literal symbols such as ×, ÷, ≤, ≥, π, √, ∑, → and the Greek alphabet are converted to their LaTeX commands (\times, \le, \pi, …). Controlled by the new LatexSanitizeOptions.convertUnicodeMath flag (on by default).
• Currency detection: a single $...$ pair is only treated as math when it looks like math, so text like it costs $5 and $10 no longer renders as a formula. New SmartLatexText.detectCurrency flag (on by default).
• Accessibility: rendered formulas now expose a spoken Semantics label. New top-level latexToSpeech() converts LaTeX to a readable phrase (\frac{a}{b} → "a over b"); SmartMath.semanticLabel overrides it.
• Copy & export: SmartLatexText.copyableMath / SmartMath.copyable long-press to copy a formula's LaTeX, and the new captureLatexPng() utility (with SmartMath.boundaryKey) renders a formula to PNG bytes for sharing.

Notes

• detectCurrency and convertUnicodeMath default to on; pass the corresponding flag to restore the previous behaviour.

2.0.2 - 2026-06-30

Fixed

• Documentation and metadata polish for pub.dev analysis (CHANGELOG, doc comment formatting). No functional changes.

2.0.0 - 2026-06-28

Breaking / major

• Self-contained now. The math engine (a layout-fixed copy of flutter_math_fork, Apache-2.0) is bundled inside the package. You no longer need to add flutter_math_fork yourself or apply any dependency_overrides — flutter pub add smart_latex is all that's required.
• The bundled engine fixes the upstream RenderResetDimension does not meet its constraints layout crash that affected \sqrt nested in \frac with \left(...\right) delimiters.

See PATCHES.md for the exact changes made to the bundled engine.

1.0.0 - 2026-06-27

Initial release.

Widgets

• SmartLatexText — renders a string of mixed plain text and LaTeX. Supports inline ($...$, \(...\)) and display ($$...$$, \[...\]) math, RTL, selectable text, custom error builders, text scaling, and a hideTrailingIncompleteMath flag for streaming / animated text.
• SmartMath — renders a single LaTeX expression (no surrounding text).

Sanitizer

• sanitizeLatex() repairs common malformed LaTeX:
  • Double-backslash before command names (\\right → \right).
  • \sqt typo → \sqrt.
  • Persian / Arabic digits (۰–۹, ٠–٩) → ASCII.
  • Persian decimal/thousands separators (٫ ٬ ،).
  • Single-character \text{0} wrappers → bare characters.
  • Unbalanced curly braces.
• LatexSanitizeOptions lets you enable/disable each rule individually.