DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
Kazutora HattoriA story about getting stuck with Firebase Hosting cache issues
Introduction I deployed a React (Vite) app to Firebase Hosting, but the blue "Firebase...
LAKSHMI GReact Question & Answer
7)What is the difference between useRef and useState? When would you choose one over the...
JavaScript RoomBuilding Reddit Game with Devvit and TypeScript (starter included)
Hey everyone, I've recently built the simple quiz game on Reddit and want to share my experience and...
Manikandan VI wrestled AppSync WebSockets for 4 hours so you don’t have to (React + GraphQL Subscriptions)
You know that moment when “it should be simple” puts on a clown wig and honks a tiny horn? That was...
Taron VardanyanReact 19.2: Deep Dive into Activity and useEffectEvent
Explore React 19.2's new Activity component and useEffectEvent hook, designed to simplify UI state management and effect handling.
Jayce LiBuilding DayFlow: A Modern React Calendar Library with Temporal API and Advanced Drag-and-Drop
When I set out to build DayFlow, I wanted to solve a problem I'd encountered repeatedly: existing...
Kevin Julián Martínez EscobarTesting While Developing (Part 3): Mocking API Requests
In Part 2, we explored assertions, selectors, and user interactions in TWD. We used those tools to...
Jeet SinghThis was a feature not a bug🐞
A single ESLint error took me on an unexpected journey into the heart of the React Compiler this...
Kevin Julián Martínez EscobarTesting While Developing (Part 4): Running Tests in CI
In Part 3, we explored one of TWD’s core features — network mocking — and completed our first full...
Kevin Julián Martínez EscobarTesting While Developing (Part 5): Collecting Coverage
TWD still has many more advanced features — such as function mocking — but with what we’ve covered so...
Kevin Julián Martínez EscobarTWD getting started
A few months ago, I wrote about Testing While Developing, where I rethought how we add tests — not as...
Eugene KhystArtistAssistApp New Features and Improvements – November 2025
ArtistAssistApp, also known as Artist Assist App, is a web app for artists to accurately mix any...
![React Core Web Vitals: 7 fixes that Actually Move the Needle [2025 Playbook]](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmxeglzd2x1p4ux9oir2d.png)
Kajol ShahReact Core Web Vitals: 7 fixes that Actually Move the Needle [2025 Playbook]
Target KPIs (75th percentile, mobile): LCP: ≤ 2.5s CLS: ≤ 0.10 INP: ≤ 200ms Who this is for: CTOs,...
Test Account🎉 Excited to Share My Latest Ai Assistant Project! 🤖
I recently built and integrated an AI chatbot into my portfolio website to help visitors learn more...
Usama💾 Day 4: Firebase Integration & Password Reset Complete!
Today was one of those satisfying coding days where things just clicked! ✨ Here’s what I...
Kevin Julián Martínez EscobarTesting While Developing (Part 1) – Installation and First Test
Let’s start our journey learning how to use TWD (Test While Developing)! In this first part, we’ll...