Changelog
A running log of changes to the site itself.
June 17, 2026
- Added Progressive Web App (PWA) support: install sirin.dev as an app on mobile and desktop.
- Reorganized the YouTube Summaries section on the homepage with topic-based tabs.
- Updated the About page bio.
- Upgraded all 17 YouTube notes with TL;DR summaries, Mermaid diagrams, and grouped actionables.
- Added changelog, roadmap, and policy pages; updated footer links and sitemap.
- Added books and courses pages with lesson progress tracking and OG images.
- Performance: conditional KaTeX CSS, WebP OG images, lazy Mermaid rendering; redesigned cards and callouts.
- Accessibility improvements, heading normalization, Go course migration, TikZ SVG replacements.
- Added colored inline text, Chart.js xychart-beta diagram support, and updated syntax guide.
- Added courses/lessons system with interactive quizzes and a 15-lesson ADHD curriculum.
- Various fixes: deduplicated page H1s, responsive tables, client-side Mermaid, eager home cards, mobile nav.
June 11, 2026
- Performance overhaul: converted all images to WebP (85 MB to 20 MB), self-hosted fonts, split KaTeX and hljs CSS bundles.
- Added cache headers and fixed x-robots-tag on Cloudflare.
- Reduced initial payload by 90% via lightweight notes index, code-split search, optimized fonts, and lazy-loaded cards.
June 4, 2026
- Added *Options, Futures, and Other Derivatives* (Hull, 11th ed.) — 37 chapter summaries with mathematical notation.
June 2, 2026
- Added book summaries: *Man's Search for Meaning*, *Masculinities*, and *The Pragmatic Programmer*.
June 1, 2026
- Migrated from Quartz to SvelteKit with adapter-static for fully prerendered output.
- Added RSS feed, sitemap, OG meta tags, reading time estimates, and copy-code buttons.
- Fixed mobile responsiveness and list indentation issues.
May 20, 2026
- Published the first YouTube summary note: Azure Data Fundamentals.
May 15, 2026
- Added 6 new YouTube summary notes; hid basic-commands from public listing; fixed padding and explorer scroll.
May 10, 2026
- Redesigned the site UI: flattened surfaces, removed shadows and hover lift effects, Obsidian-inspired minimal aesthetic.
- Unified design system with consistent radius, transition, and spacing tokens.
- New color palette with no gradients; scrollable explorer panel.
- Rewrote portal and explorer with bento-grid card layout.