Engineering VP Josh Clemm on how we use knowledge graphs, MCP, and DSPy in Dash
Engineering VP Josh Clemm deep-dives into how we think about knowledge graphs, indexes, MCP, and prompt optimization using tools like DSPy.
Excessive Bold
From pixels to characters: The engineering behind GitHub Copilot CLI’s animated ASCII banner
Learn how GitHub built an accessible, multi-terminal-safe ASCII animation for the Copilot CLI using custom tooling, ANSI color roles, and advanced terminal engineering.
Year recap and future goals for the GitHub Innovation Graph
Discover the latest trends and insights on public software development activity on GitHub with data from the Innovation Graph through Q3 2025.
How Stripe built a game-changing app in a single flight with v0
Building a serverless, post-quantum Matrix homeserver
As a proof of concept, we built a Matrix homeserver to Cloudflare Workers — delivering encrypted messaging at the edge with automatic post-quantum cryptography.
Phenomenology through PostgreSQL Documentation
This blog talks about PostgreSQL documentation philosophy and how it is connected to Contributors preserving the intent. Read to know more.
7 learnings from Anders Hejlsberg: The architect behind C# and TypeScript
Anders Hejlsberg shares lessons from C# and TypeScript on fast feedback loops, scaling software, open source visibility, and building tools that last.
Help shape the future of open source in Europe
Read GitHub’s position on the European Open Digital Ecosystem Strategy and learn how to participate.
Some notes on starting to use Django
Rust at Scale: An Added Layer of Security for WhatsApp
WhatsApp has adopted and rolled out a new layer of security for users – built with Rust – as part of its effort to harden defenses against malware threats. WhatsApp’s experience creating and distributing our media consistency library in Rust to billions of devices and browsers proves Rust is production ready at a global scale. […]
Unstacking CSS Stacking Contexts — Smashing Magazine
In CSS, we can create “stacking contexts” where elements are visually placed one on top of the next in a three-dimensional sense that creates the perception of depth. Stacking contexts are incredibly useful, but they’re also widely misunderstood and often mistakenly created, leading to a slew of layout issues that can be tricky to solve.
How Sensay went from zero to product in six weeks
Cable cuts, storms, and DNS: a look at Internet disruptions in Q4 2025
The last quarter of 2025 brought several notable disruptions to Internet connectivity. Cloudflare Radar data reveals the impact of cable cuts, power outages, extreme weather, technical problems, and more.
Think outside of the box—with Claude and FigJam
With the Figma MCP app in Claude, powered by Anthropic, designers, developers, and product managers can now create AI-generated FigJam diagrams.
Power agentic workflows in your terminal with GitHub Copilot CLI
Explore the GitHub Copilot CLI and try interacting with Copilot directly from your terminal.
SkyPilot at Shopify: Multi-cloud GPUs without the pain (2026) - Shopify
GPUs are annoying. Shopify uses SkyPilot to make them less so: one YAML file, multiple clouds, clean development ergonomics.
Route leak incident on January 22, 2026
An automated routing policy configuration error caused us to leak some Border Gateway Protocol prefixes unintentionally from a router at our Miami data center. We discuss the impact and the changes we are implementing as a result.
Open Props @custom-media Recipes
The @custom-media at-rule has landed in Firefox Nightly! I couldn't find it in the release notes but Adam Argyle's on the beat noting that it's behind a flag
Responsive Hexagon Grid Using Modern CSS
A while back, Temani tacked a repeating grid of hexagon shapes. Well, he's updated it with modern CSS features that result in fewer magic numbers. And it's impressive!
Quick Hit #89
7 days left to cast your vote for the best GSAP-animated site of the year!
Metronome + Stripe: Building the future of billing
Together, Metronome and Stripe are building the most flexible and complete billing solution on the market—one that works for everyone, from engineers in a garage figuring out their business model to public companies monetizing at global scale.
Quick Hit #88
The new CSS grid lanes (aka masonry) layout spec continues to evolve... item-tolerance becomes flow-tolerance (Issue #10884).
Show don't tell: Embed Make prototypes everywhere you work in Figma
Today, we’re introducing the ability to embed Figma Make prototypes into Figma Design, FigJam, and Figma Slides, along with new editing tools.
Build an agent into any app with the GitHub Copilot SDK
Now in technical preview, the GitHub Copilot SDK can plan, invoke tools, edit files, and run commands as a programmable layer you can use in any application.
Beyond Generative: The Rise Of Agentic AI And User-Centric Design — Smashing Magazine
Developing effective agentic AI requires a new research playbook. When systems plan, decide, and act on our behalf, UX moves beyond usability testing into the realm of trust, consent, and accountability. Victor Yocco outlines the research methods needed to design agentic AI systems responsibly.
Quick Hit #87
Manuel Matuzović shares his position-try-fallbacks CSS reset for ensuring that anchored elements always flip/never overflow.
Conversation: LLMs and the what/how loop
A conversation between Unmesh, Rebecca, and Martin on how LLMs help us shape the abstractions in our software. We view our challenge as building systems that survive change, requiring us to manage our cognitive load. We can do this by mapping the “what” of we want our software to do into the “how” of programming languages. This “what” and “how” are built up in a feedback loop. TDD helps us operati
A cheat sheet to slash commands in GitHub Copilot CLI
Run tests, fix code, and get support—right in your workflow. Stay focused and let Copilot handle the busywork.
Exploration: CNPG Extensions(ImageVolume)
Demonstration of how to install PostgreSQL extensions on a Kubernetes managed cluster by using CNPG and Kubernetes' ImageVolume feature.
AI-supported vulnerability triage with the GitHub Security Lab Taskflow Agent
Learn how we are using the newly released GitHub Security Lab Taskflow Agent to triage categories of vulnerabilities in GitHub Actions and JavaScript projects.
Context windows, Plan agent, and TDD: What I learned building a countdown app with GitHub Copilot
Learn how I managed context to keep Copilot focused, used the Plan agent to sharpen vague requirements, and required Test Driven Development practices to catch bugs before users.
Rethinking “Pixel Perfect” Web Design — Smashing Magazine
Amit Sheen takes a hard look at the “Pixel Perfect” legacy concept, explaining why it’s failing us and redefining what “perfection” actually looks like in a multi-device, fluid world.
How we mitigated a vulnerability in Cloudflare’s ACME validation logic
A vulnerability was recently identified in Cloudflare’s automation of certificate validation. Here we explain the vulnerability and outline the steps we’ve taken to mitigate it.
Quick Hit #86
Chrome 144 trials the <geolocation> HTML element, which is currently on the standards track.
A Social Filesystem
Formats over apps.
Astro is joining Cloudflare
The Astro Technology Company team — the creators of the Astro web framework — is joining Cloudflare. We’re doubling down on making Astro the best framework for content-driven websites, today and in the years to come.
HTTP Archive 2025 Web Almanac
I love me some good web research reports. I'm a sucker for them. HTTP Archive's Web Almanac is one report I look forward to every year, and I know I'm not
"I Heart CSS" DailyDev Squad
If you're reading this, chances are you already have some sort of way that you're following when we publish new content, whether that's RSS, Bluesky,
Quick Hit #85
Chrome 144 becomes the first to support ::search-text, a pseudo-element for selecting find-in-page text.
The three biggest agentic commerce trends from NRF 2026
The majority of retailers are actively implementing, or plan to implement, agentic commerce. They are refining their product catalog strategy to launch faster and investing in their own agentic shopping experiences.
Human Native is joining Cloudflare
Cloudflare acquires Human Native, an AI data marketplace specialising in transforming content into searchable and useful data, to accelerate work building new economic models for the Internet.
What’s !important #3: Popover Context Menus, @scope, New Web Platform Features, and More
The developer community hasn’t wasted any time kicking off 2026 with some really great articles, demos, and insights. Firefox 147 and Chrome 144 also shipped, and while they’re not jam-packed with features, the releases are still pretty exciting for what’s normally a slow time of year, so without further ado, here’s what’s important from the last couple of weeks (or should I say the first couple o
Building an agentic memory system for GitHub Copilot
Copilot’s cross-agent memory system lets agents learn and improve across your development workflow, starting with coding agent, CLI, and code review.
When protections outlive their purpose: A lesson on managing defense systems at scale
User feedback led us to clean up outdated mitigations. See why observability and lifecycle management are critical for defense systems.
AWS databases are now live on the Vercel Marketplace and v0
v0 can now provision AWS databases as it builds your app. Aurora PostgreSQL, DynamoDB, and Aurora DSQL available in the Vercel Marketplace.
GitHub Availability Report: December 2025
In December, we experienced five incidents that resulted in degraded performance across GitHub services.
Community-powered security with AI: an open source framework for security research
Announcing GitHub Security Lab Taskflow Agent, an open source and collaborative framework for security research with AI.
Adapting the Facebook Reels RecSys AI Model Based on User Feedback
We’ve improved personalized video recommendations on Facebook Reels by moving beyond metrics such as likes and watch time and directly leveraging user feedback. Our new User True Interest Survey (UTIS) model, now helps surface more niche, high-quality content and boosts engagement, retention, and satisfaction. We’re doubling down on personalization, tackling challenges like sparse user data […] Re
Smashing Animations Part 8: Theming Animations Using CSS Relative Colour — Smashing Magazine
CSS relative colour values are now widely supported. In this article, pioneering author and web designer [Andy Clarke](https://stuffandnonsense.co.uk/) shares practical techniques for using them to theme and animate SVG graphics.
Introducing: React Best Practices
We've encapsulated 10+ years of React and Next.js optimization knowledge into react-best-practices, a structured repository optimized for AI agents and LLMs.
Dealing with integer overflow in sequence-generated primary keys
Sequence-generated 4-byte integer primary keys can experience integer overflow. I'll show you how to monitor for the problem and fix it.
The new business case for design systems
What you need to know about how to track and communicate the value of your design system
Stop Picking Sides
Many teams have turned into tribes wedded to exclusively adaptation or optimization. But this misses the point that both of these are important, and we need to manage the tension between them. We can do this by thinking of two operating modes: explore (adaptation-dominant) and exploit (optimization dominant). We tailor a team's operating model to a particular blend of the two - considering uncerta
What AI is actually good for, according to developers
AI is designed to help you do what you love most, not replace your expertise. Discover how developer feedback and real-world experience are shaping AI coding tools that keep you in control.
Want better AI outputs? Try context engineering.
Learn how custom instructions, reusable prompts, and custom agents help GitHub Copilot deliver more accurate results.
CSS at Scale With StyleX
Build a large enough website with a large enough codebase, and you’ll eventually find that CSS presents challenges at scale. It’s no different at Meta, which is why we open-sourced StyleX, a solution for CSS at scale. StyleX combines the ergonomics of CSS-in-JS with the performance of static CSS. It allows atomic styling of components […]
UX And Product Designer’s Career Paths In 2026 — Smashing Magazine
How to shape your career path for 2026, with decision trees for designers and a UX skills self-assessment matrix. The only limits for tomorrow are the doubts we have today. Brought to you by Smart Interface Design Patterns, a **friendly video course on UX** and design patterns by Vitaly.
Building the Universal Commerce Protocol (2026) - Shopify
Under the hood of UCP: the open protocol powering agentic commerce, enabling AI agents to discover, negotiate, and transact with any merchant.
Light waves, rising tides, and drifting ships: Game Off 2025 winners
Out of more than 700 games submitted to Game Off 2025, these ten winners stand out for creativity, craft, and bold interpretations of the WAVES theme. All are free to play, with source code available to explore.
