- Python mode via Pyodide WASM runtime with stdout/stderr console integration
- Publish fiddles to clean /p/:slug URLs as standalone HTML pages
- Import code from GitHub Gist URLs with auto-detection of language/mode
- Presentation mode with slide management, fullscreen viewer, and keyboard nav
- Enable Monaco color decorators for inline CSS color pickers
- Extract reusable generateStandaloneHtml from export module
- Fix Monarch tokenizer loading: await initLinter() before editor creation
so loadScript() doesn't clobber window.define during lazy tokenizer init
- Fix JSX/TSX coloring: use file URIs with proper extensions (.jsx/.tsx)
so Monaco enables JSX tokenization via the TypeScript language service
- Modernize toolbar: move settings to gear popover, replace text buttons
with SVG icons, consolidate toggle checkboxes into compact group
- Clean up CSS: remove duplicate toggle classes, dead selectors, orphaned rules
- Tailwind CSS: toolbar checkbox injects Play CDN into preview, persisted
per-fiddle via new options JSON column
- Markdown mode: uses marked.js CDN, renders markdown to HTML preview with
CSS tab for custom styling
- WASM mode: starter template with inline WebAssembly add function, supports
top-level await via module detection
- npm imports: auto-detect bare import specifiers in module code and inject
importmap pointing to esm.sh CDN
- Module auto-detection for html-css-js mode (import/export statements)
- DB migration adds options column, server passes through all API endpoints
- All features work across preview, export, and embed
