series · 15 guides

What breaks when you upgrade

Migration guides checked against the source code and the changelog: what actually breaks when you upgrade Laravel, Node, PHP, TypeScript and the rest of the stack, sorted by impact, plus what does NOT break whatever you may have read.

September 21, 2026

14 min read

Laravel Octane + FrankenPHP: What Actually Breaks (I Reproduced Every Leak)

Laravel Octane FrankenPHP PHP Performance Migration

Typographic cover: the word Octane above a diff labelled laravel 13, - server: php-fpm in red and + server: frankenphp (worker) in green

September 21, 2026

14 min read

OpenAI Shuts Down GPT-4, o1 and o3-mini on October 23: What Breaks in Your Code (It's Not Just the Model Name)

OpenAI AI API Python JavaScript Migration

Typographic cover: the word OpenAI above a diff dated 2026-10-23, - model: 'gpt-4-turbo' in red and + model: 'gpt-5.6-sol' in green

September 13, 2026

18 min read

Chrome Removes XSLT: What Breaks in Sitemaps, Feeds and CFDI Invoice Tools

Chrome XSLT XML CFDI SEO Migration

Typographic cover on a dark green grid: Chrome 158 in large serif letters and a two-line diff removing XSLTProcessor

September 13, 2026

17 min read

GitHub Actions in Fall 2026: What Breaks (and Why node20 Isn't the Problem)

GitHub Actions CI/CD DevOps Node.js Migration Upgrade

Typographic cover for the GitHub Actions fall 2026 guide: the words GitHub Actions above a two-line diff, - node20 in red and + node24 in green

September 13, 2026

19 min read

WhatsApp API, October 1: What Changes in Your Code When Meta Starts Billing Service Messages

WhatsApp Costs Pricing Webhooks TypeScript Backend

Typographic cover: WhatsApp Cloud API and a two-line diff where pricing.type changes from free_customer_service to regular

September 5, 2026

11 min read

Kubernetes 1.37: What Breaks on Upgrade Day (and Why It's Your Control Plane)

Kubernetes DevOps Infrastructure Migration Upgrade

Typographic cover for the Kubernetes 1.37 upgrade guide: a two-line diff from the previous version to Kubernetes 1.37

September 2, 2026

11 min read

ESLint 10: What Breaks When You Upgrade (and Why ESLint 9 Is Already Unsafe)

JavaScript TypeScript ESLint Migration Upgrade

Typographic cover for the ESLint 10 upgrade guide: a two-line diff from the previous version to ESLint 10

September 2, 2026

10 min read

Pest 5 and PHPUnit 13: What Breaks When You Upgrade (and What Fails Silently)

PHP Laravel Testing Migration Upgrade

Typographic cover for the Pest 5 upgrade guide: a two-line diff from the previous version to Pest 5

September 2, 2026

12 min read

What Breaks When You Upgrade from Symfony 7.4 to 8.1

PHP Symfony Backend Migration Upgrade

Typographic cover for the Symfony 8.1 upgrade guide: a two-line diff from the previous version to Symfony 8.1

September 2, 2026

10 min read

What Breaks When You Upgrade to Vite 8 (and Rolldown)

JavaScript Vite Astro Frontend Migration Upgrade

Typographic cover for the Vite 8 upgrade guide: a two-line diff from the previous version to Vite 8

August 29, 2026

11 mins read

PHP 8.6: What Actually Breaks When You Upgrade

PHP PHP 8.6 Backend Migration Upgrade Security

Typographic cover for the PHP 8.6 upgrade guide: a two-line diff from the previous version to PHP 8.6

August 22, 2026

12 min read

Node 26: What Breaks When You Upgrade, and When the Jump Is Worth It (LTS Guide)

Node.js JavaScript Backend Migration LTS

Typographic cover for the Node 26 upgrade guide: a two-line diff from the previous version to Node 26

August 14, 2026

12 mins read

TypeScript 7: What Actually Breaks When You Upgrade (and Why Your Build May Still Be on 6)

TypeScript TypeScript 7 tsgo Migration Node Tools

Typographic cover for the TypeScript 7 upgrade guide: a two-line diff from the previous version to TypeScript 7

14 mins read

Upgrading to Astro 7: The Rust Compiler No Longer Forgives Sloppy HTML

Astro Astro 7 Migration Performance Web Development Vite

Glass panels in a violet and orange gradient snapping into a perfect grid while a few irregular fragments are rejected

13 mins read

Laravel 13: What Actually Breaks When You Upgrade (and What Doesn't)

Laravel Laravel 13 PHP Migration Backend Upgrade

Typographic cover for the Laravel 13 upgrade guide: a two-line diff from the previous version to Laravel 13