Tech Highlights #6

Hi, labfollower! Periodically, our devs share what they are reading, and in this edition, we bring highlights about new versions of frameworks and libs, practical guides to solve problems, and more!

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Have a nice reading!

How to Solve 8 Common System Design Problems

This article presents challenges like high latency, heavy read and write traffic, single points of failure, and downtime. It also shares practical solutions, such as caching, asynchronous processing, load balancing, and using CDNs, to help you build scalable and reliable applications that deliver a better user experience.

Read the EXPLAIN in a Visual Way

That’s what Explain Dalibo does: helps you better understand EXPLAIN, by providing a visual representation of the PostgreSQL execution plans.

React Native, and "The Native Feel"

A Bluesky developer talks about the native usability of React Native and how they have improved in the last year. Anyone who has used the app can see that they did a great job, an excellent argument in favor of the framework.

What Every Software Developer Must Know About Unicode and Character Sets

Ever wondered how software handles text from different languages? Understanding Unicode and character sets is essential for creating an application that works everywhere. This article dives into the history of text encoding, helping you grasp the characters working under the hood in programming (luckily, nowadays, we have better standards, and most modern languages often work with UTF-8 as default).

Preview what's coming in the next version of Tailwind CSS

TailwindCSS v4 Beta is here! New features include a high-performance engine using rust that significantly reduces build time (up to 10x faster than the previous version), CSS-first configuration, the @theme directive in CSS, built-in CSS transpilation, composable variants, 3D transforms, and many more!

React v19

React 19 is now stable!

The Practical Guide to Scaling Django

Actionable solutions for common Django performance optimization challenges.