Home/2025
Archive

Year 2025

1,303 articles published in 2025.

Engineering — Getting Creative With “The Measure”

Getting Creative With “The Measure”

A good measure makes reading text comfortable, while a bad one makes it more difficult. So, rather than allowing layout to dictate the measure, doesn’t it make more sense for the measure to inform layout decisions?

ACAndy ClarkeAndy Clarke·December 4, 2025Engineering
Engineering — Why Replicate is joining Cloudflare

Why Replicate is joining Cloudflare

Today, we’re excited to announce that Replicate is officially part of Cloudflare. We wanted to share a bit about our journey and why we made this decision.

AJAndreas Jansson, Ben FirshmanAndreas Jansson, Ben Firshman·December 1, 2025Engineering
Security — Streamlining Security Investigations with Agents

Streamlining Security Investigations with Agents

Slack’s Security Engineering team is responsible for protecting Slack’s core infrastructure and services. Our security event ingestion pipeline handles billions of events per day from a diverse array of data sources. Reviewing alerts produced by our security detection system is our primary responsibility during on-call shifts. We’re going to show you how we’re using AI…

DMDominic Marks·December 1, 2025Security
Frontend — Brand New Layouts with CSS Subgrid

Brand New Layouts with CSS Subgrid

Subgrid allows us to extend a grid template down through the DOM tree, so that deeply-nested elements can participate in the same grid layout. At first glance, I thought this would be a helpful convenience, but it turns out that it’s so much more. Subgrid unlocks exciting new layout possibilities, stuff we couldn’t do until now. ✨

JWJosh W. Comeau·November 25, 2025Frontend
SRE & Ops — Get better visibility for the WAF with payload logging

Get better visibility for the WAF with payload logging

The WAF provides ways for our customers to gain insight into why it takes certain actions. The more granular and precise the insight, the more reproducible and understandable it is. Revamped payload logging is one such method.

PPaschalPaschal·November 24, 2025SRE & Ops
Languages — Does Dioxus spark joy?

Does Dioxus spark joy?

Note: this article is adapted from a presentation I gave at a Rust Paris Meetup — that’s why it sounds a little different than usual. Enjoy! Good evening! Tonight, I will attempt to answer the question: Does Dioxus spark joy? Or at the very least, whimsy. What’s Dioxus, you ask? It is first and foremost a name that is quote: “legally not inspired by any Pokémon”. Even if the author concedes in a H

AWAmos WengerAmos Wenger·November 22, 2025Languages
SRE & Ops — Zoomer: Powering AI Performance at Meta’s Scale Through Intelligent Debugging and Optimization

Zoomer: Powering AI Performance at Meta’s Scale Through Intelligent Debugging and Optimization

We’re introducing Zoomer, Meta’s comprehensive, automated debugging and optimization platform for AI. Zoomer works across all of our training and inference workloads at Meta and provides deep performance insights that enable energy savings, workflow acceleration, and efficiency gains in our AI infrastructure. Zoomer has delivered training time reductions, and significant QPS improvements, making i

CWChris Wiltz·November 21, 2025SRE & Ops
Engineering — Self-driving infrastructure

Self-driving infrastructure

At Vercel, we’re building self-driving infrastructure, a system that autonomously manages production operations, improves application code using real-world insights, and learns from the unpredictable nature of production itself.

VVercel·November 21, 2025Engineering
Security — Key Transparency Comes to Messenger

Key Transparency Comes to Messenger

We’re excited to share another advancement in the security of your conversations on Messenger: the launch of key transparency verification for end-to-end encrypted chats. This new feature enables an additional level of assurance that only you — and the people you’re communicating with — can see or listen to what is sent, and that no […]

CWChris Wiltz·November 20, 2025Security
Design & UX — Android VPAT journey

Android VPAT journey

Background A Voluntary Product Accessibility Template (VPAT) is a document that outlines how well a product aligns with accessibility (a11y) standards. Its primary purpose is to inform customers about a product’s a11y features, enabling them to make informed decisions before purchasing software. At Slack, we conducted a VPAT by a third party a11y vendor in…

HJHye Jung Choi·November 19, 2025Design & UX
SRE & Ops — Cloudflare outage on November 18, 2025

Cloudflare outage on November 18, 2025

Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.

MPMatthew PrinceMatthew Prince·November 18, 2025SRE & Ops
AI & ML — Efficient Optimization With Ax, an Open Platform for Adaptive Experimentation

Efficient Optimization With Ax, an Open Platform for Adaptive Experimentation

We’ve released Ax 1.0, an open-source platform that uses machine learning to automatically guide complex, resource-intensive experimentation. Ax is used at scale across Meta to improve AI models, tune production infrastructure, and accelerate advances in ML and even hardware design. Our accompanying paper, “Ax: A Platform for Adaptive Experimentation” explains Ax’s architecture, methodology, and h

CWChris Wiltz·November 18, 2025AI & ML
AI & ML — Replicate is joining Cloudflare

Replicate is joining Cloudflare

Bringing Replicate’s tools into Cloudflare will continue to make our Workers Platform the best place on the Internet to build and deploy any AI or agentic workflow.

RBRita, Ben FirshmanRita, Ben Firshman·November 17, 2025AI & ML
Engineering — Highlights from Git 2.52

Highlights from Git 2.52

The open source Git project just released Git 2.52. Here is GitHub’s look at some of the most interesting features and changes introduced since last time.

TBTaylor BlauTaylor Blau·November 17, 2025Engineering