WHOBUILT — Tech news in 5 minutes

Fallas Valencia 2026 Survival Guide: 15 Tips You Actually Need

Las Fallas is five days of controlled chaos across an entire city — 750+ burning monuments, daily gunpowder explosions, 2M visitors. This guide covers the practical things that will make or break your experience.

FEB 24TRAVEL8 MIN READ

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Pydantic v2.10: New Validation Engine and Performance Boost

Pydantic has released v2.10, featuring a completely rewritten validation engine in Rust. This version offers up to 2x speedup for complex nested models and improved error reporting.

FEB 25DEV5 MIN READ

Best Apps for Las Fallas 2026: Which One Should You Download?

Over 750 fallas monuments, a city-wide festival, and millions of visitors. You need the right app. This guide compares your realistic options and explains which Fallas map app is worth installing.

FEB 24TRAVEL5 MIN READ

OpenAI Releases GPT-5 with Native Reasoning Mode

OpenAI has launched GPT-5, featuring a built-in chain-of-thought reasoning mode that can be toggled via API. Early benchmarks show a 40% improvement in math and coding tasks compared to GPT-4o.

FEB 24AI6 MIN READ

Cloudflare Workers Now Supports Python (Beta)

Cloudflare has announced first-class support for Python in Workers, compiled to WebAssembly using the Pyodide runtime, enabling data science at the edge.

FEB 22INFRA5 MIN READ

Tailwind CSS v4.0 Alpha: Faster Engine and New Oxide Compiler

tailwindcss.com

The Tailwind team has unveiled the alpha version of v4.0. It's powered by 'Oxide', a new high-performance compiler written in Rust that is 10x faster than the current JIT engine.

FEB 25DESIGN4 MIN READ

Bun 2.0: Now with Full Windows Support and Compiled Binaries

The fast JavaScript runtime Bun has reached version 2.0. This release brings stable performance on Windows and a new capability to compile TypeScript scripts into standalone executables.

FEB 24DEV4 MIN READ

GitHub Actions adds Managed GPU Runners for ML Workflows

GitHub is making it easier to run large language models and other ML tasks by introducing managed GPU runners for Actions, eliminating the need for self-hosted infrastructure.

FEB 23DEVOPS5 MIN READ

Critical RCE Found in Popular npm Package 'request-utils'

A high-severity remote code execution vulnerability has been discovered in a utility package with over 2M weekly downloads. Users are urged to patch to v4.2.1 immediately.

FEB 23SECURITY3 MIN READ

Figma Variables: Advanced Logic and Theming Guide

Deep dive into using Figma's newest variable types for complex UI state management, multi-mode theming, and automated design handoff workflows.

FEB 22DESIGN8 MIN READ