migration - Abrarqasim Blogs

Python 2 vs Python 3: What a 2.4M-Line Migration Looks Like

EVE Online is migrating 2.4 million lines of Python 2 in 2026. What CCP's dev blog teaches about python 2 vs python 3 and surviving…

Rayyan | August 27, 2026 | 8 min

Programming

Tailwind v4 Migration: What Broke When I Deleted My Config File

I migrated three production projects from Tailwind v3 to v4 in one weekend. What the upgrade tool fixed, what silently broke, and the checks I'd…

Rayyan | August 7, 2026 | 7 min

CSS

Tailwind v3 to v4 Migration: What Actually Broke in My Projects

My real Tailwind v3 to v4 migration notes: the utility renames, the CSS-first config, the PostCSS pipeline change, and every place my styles quietly broke.

Rayyan | July 4, 2026 | 8 min

Frontend

Migrating to Tailwind v4: What Broke, What I Wish I’d Known

I sat on the Tailwind v4 upgrade for three months. Here's what actually broke when I migrated a production Next.js app, and what I'd do…

Rayyan | May 11, 2026 | 8 min

Web Development

Tailwind CSS v4 migration guide: what actually changed

A practical Tailwind CSS v4 migration guide covering CSS-first config, the new @theme directive, container queries, and real before-and-after code examples.

Rayyan | April 14, 2026 | 8 min