Changelog

2 min read

A running log of changes to the site itself.

2026-06-17

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.

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.

Added Options, Futures, and Other Derivatives (Hull, 11th ed.) — 37 chapter summaries with mathematical notation.

Added book summaries: Man's Search for Meaning, Masculinities, and The Pragmatic Programmer.

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.

Added 6 new YouTube summary notes; hid basic-commands from public listing; fixed padding and explorer scroll.

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.