Lessons we’ve learned on real projects (page 3)

vite.dev

Vite 8.0 is out

Raí Siqueira·March 13, 2026

bloomberg.github.io

Temporal: The 9-Year Journey to Fix Time in JavaScript

JavaScript's Date object has been a source of bugs for three decades. Temporal, which just reached Stage 4, is a modern replacement with immutable types, first-class time zone and calendar support, and nanosecond precision. This is the story of how Bloomberg, Igalia, and the TC39 community spent nine years turning an idea into a shipping standard.

Vitor Rangel·March 12, 2026

github.com

Serena is a powerful coding agent toolkit capable of turning an LLM into a fully-featured agent that works directly on your codebase

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent - oraios/serena

Gustavo Carvalho·March 11, 2026

developers.cloudflare.com

Crawl entire websites with a single API call using Browser Rendering

Browser Rendering's new /crawl endpoint lets you submit a starting URL and automatically discover, render, and return content from an entire website as HTML, Markdown, or structured JSON.

Gustavo Carvalho·March 11, 2026

github.github.com

Storybook addon performance panel

Real-time performance monitoring for Storybook stories. Frame timing, input latency, layout shifts, React profiling, and more.

Raí Siqueira·March 10, 2026

grith.ai

A GitHub Issue Title Compromised 4,000 Developer Machines

A prompt injection in a GitHub issue triggered a chain reaction that ended with 4,000 developers getting OpenClaw installed without consent. The attack composes well-understood vulnerabilities into something new: one AI tool bootstrapping another.

Vitor Rangel·March 6, 2026

github.com

Better pre-commit, re-engineered in Rust

⚡ A fast Git hook manager written in Rust, designed as a drop-in alternative to pre-commit, reimagined. - j178/prek

Flávio Juvenal·March 5, 2026

gradia.alexandervanhee.be

Gradia, a screenshot helper with annotations and Wayland-ready

Gradia helps you beautify, annotate, and share screenshots seamlessly on Linux.

Sergio Marchiori·March 5, 2026

blog.mgechev.com

Unit Tests for AI Agent Skills

⭐ Find Skill Eval on GitHub Unit Tests for AI Agent Skills I’ve been working with AI coding agents daily - Antigravity, Gemini CLI, Claude Code, and others. One pattern I keep seeing is teams building skills for these agents: procedural instructions that teach the model how to use internal tools, follow specific workflows, or comply with team conventions. The problem? There’s no way to know if they actually work.

Raí Siqueira·March 4, 2026

github.com

Zvec A lightweight, lightning-fast, in-process vector database. High-Performance semantic search, made simple

A lightweight, lightning-fast, in-process vector database - alibaba/zvec

Hernany Costa·March 4, 2026

explorer.usecobalt.com

A free, technical reference for what EHR APIs can actually do. Read/write capabilities, scheduling, eventing, bulk export — all in one place.

A free, technical reference for what EHR APIs can actually do. Compare read/write capabilities, scheduling, bulk export, and eventing across EHR systems.

Flávio Juvenal·February 27, 2026

github.com

Agentation The visual feedback tool for agents

Raí Siqueira·February 27, 2026

daseldocs.tomwright.me

Dasel (short for data-selector) allows you to query and modify data structures using selector strings. Comparable to jq, yq, and xmlstarlet, but for any data format.

João Paulo Carvalho·February 26, 2026

github.com

Python library to compute the complexity of a GraphQL operation

Python library to compute the complexity of a GraphQL operation - Checho3388/graphql-complexity

Ellias Silva·February 24, 2026

github.com

Collection of 800+ Agentic Skills Claude Code, Gemini CLI, Cursor, Copilot & More

2,926+ reusable AI agent skills for Claude Code, Codex, Cursor and Gemini CLI. AAS Core adds local catalog discovery, agent-owned selection and plan preview. CLI, MCP and plugins. - sickn33/agentic...

Hugo Bessa·February 23, 2026