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Year 2025

1,303 articles published in 2025.

Performance — Unpacking Cloudflare Workers CPU Performance Benchmarks

Unpacking Cloudflare Workers CPU Performance Benchmarks

Cloudflare investigated CPU performance benchmark results for Workers, uncovering and fixing issues in infrastructure, V8 garbage collection, and OpenNext optimizations. These improvements have made Cloudflare Workers faster for all customers.

KVKenton VardaKenton Varda·October 14, 2025Performance
SRE & Ops — Design for Sustainability: New Design Principles for Reducing IT Hardware Emissions

Design for Sustainability: New Design Principles for Reducing IT Hardware Emissions

We’re presenting Design for Sustainability, a set of technical design principles for new designs of IT hardware to reduce emissions and cost through reuse, extending useful life, and optimizing design. At Meta, we’ve been able to significantly reduce the carbon footprint of our data centers by integrating several design strategies such as modularity, reuse, retrofitting, […]

CWChris Wiltz·October 14, 2025SRE & Ops
Engineering — Introducing stablecoin payments for subscriptions

Introducing stablecoin payments for subscriptions

As businesses expand globally, stablecoins can help them reach a broader international audience more cost-effectively. Now we’re extending these benefits to subscription-based businesses by launching recurring payments with stablecoins.

JLJennifer LeeJennifer Lee·October 14, 2025Engineering
Frontend — Masonry: Watching a CSS Feature Evolve

Masonry: Watching a CSS Feature Evolve

What can CSS Masonry discussions teach us about the development of new CSS features? What is the CSSWG’s role? What influence do browsers have? What can learn from the way past features evolved?

SMSaleh MubasharSaleh Mubashar·October 13, 2025Frontend
AI & ML — GitHub Copilot CLI: How to get started

GitHub Copilot CLI: How to get started

Discover how to use GitHub Copilot directly in the terminal. From cloning a repository to opening a pull request, here’s how to streamline your workflow with Copilot CLI.

AGAndrea GriffithsAndrea Griffiths·October 13, 2025AI & ML
SRE & Ops — OCP Summit 2025: The Open Future of Networking Hardware for AI

OCP Summit 2025: The Open Future of Networking Hardware for AI

At Open Compute Project Summit (OCP) 2025, we’re sharing details about the direction of next-generation network fabrics for our AI training clusters. We’ve expanded our network hardware portfolio and are contributing new disaggregated network platforms to OCP. We look forward to continued collaboration with OCP to open designs for racks, servers, storage boxes, and motherboards […]

CWChris Wiltz·October 13, 2025SRE & Ops
AI & ML — The Grayscale Problem — Smashing Magazine

The Grayscale Problem — Smashing Magazine

From A/B tests to AI slop, the modern web is bleeding out its colour. Standardized, templated, and overoptimized, it’s starting to feel like a digital Levittown. But it doesn’t have to be.

FOFrederick O BrienFrederick O Brien·October 13, 2025AI & ML
Security — Introducing REACT: Why We Built an Elite Incident Response Team

Introducing REACT: Why We Built an Elite Incident Response Team

We're launching Cloudforce One REACT, a team of expert security responders designed to eliminate the gap between perimeter defense and internal incident response. The team brings unmatched threat intelligence and network-native mitigation to help organizations prepare for and respond to security crises across any environment.

COChris Orourke, Utsav AdhikariChris Orourke, Utsav Adhikari·October 9, 2025Security
Frontend — Introducing the React Foundation: The New Home for React & React Native

Introducing the React Foundation: The New Home for React & React Native

Meta open-sourced React over a decade ago to help developers build better user experiences. Since then, React has grown into one of the world’s most popular open source projects, powering over 50 million websites and products built by companies such as Microsoft, Shopify, Bloomberg, Discord, Coinbase, the NFL, and many others. With React Native, React […]

CWChris Wiltz·October 7, 2025Frontend
Performance — Deploy Safety: Reducing customer impact from change

Deploy Safety: Reducing customer impact from change

It’s mid 2023 and we’ve identified some opportunities to improve our reliability. Fast forward to January 2025. Customer impact hours are reduced from the peak by 90% and continuing to trend downward. We’re a year and half into the Deploy Safety Program at Slack, improving the way we deploy, uplifting our safety culture and continuing…

SBSam Bailey·October 7, 2025Performance
AI & ML — Introducing our agentic commerce solutions

Introducing our agentic commerce solutions

Last week, we shared the Agentic Commerce Protocol (ACP), a new open standard that enables programmatic agentic flows. Here are some of the other steps Stripe is taking to build agentic commerce solutions for AI platforms and businesses.

KMKevin MillerKevin Miller·October 7, 2025AI & ML
SRE & Ops — Introducing OpenZL: An Open Source Format-Aware Compression Framework

Introducing OpenZL: An Open Source Format-Aware Compression Framework

OpenZL is a new open source data compression framework that offers lossless compression for structured data. OpenZL is designed to offer the performance of a format-specific compressor with the easy maintenance of a single executable binary. You can get started with OpenZL today by visiting our Quick Start guide and the OpenZL GitHub repository. Learn more […]

CWChris Wiltz·October 6, 2025SRE & Ops
Networking — Introducing the Candle Subsea Cable, Updates to Our Asia-Pacific Connectivity Projects

Introducing the Candle Subsea Cable, Updates to Our Asia-Pacific Connectivity Projects

We’re introducing Candle, a new submarine cable connecting countries across East Asia and Southeast Asia. We’re also announcing several updates to our subsea cables across the Asia-Pacific, including the completion of the Bifrost cable system. The Asia-Pacific (APAC) region is home to over 58% of the world’s internet users1 – many who rely on robust […]

CWChris Wiltz·October 5, 2025Networking
Frontend — Accelerating our Android apps with Baseline Profiles

Accelerating our Android apps with Baseline Profiles

Key Takeways: With billions of Android app users, we’re always looking to improve the Meta app experience, and in this post, we explore the ways we’ve leveraged Android’s Baseline Profiles to significantly improve their performance. We discuss the performance challenges we’ve faced as Meta’s apps, how the needs of users have become more complex over […]

PHPhil Hornshaw·October 1, 2025Frontend
AI & ML — LLMs Are the Key to Mutation Testing and Better Compliance

LLMs Are the Key to Mutation Testing and Better Compliance

Following our keynote presentations at FSE 2025 and Eurostar 2025, we’re delving further into the development of Meta’s Automated Compliance Hardening (ACH) tool, an LLM-based tool for software testing that is automating aspects of compliance adherence at Meta, while accelerating developer and product velocity. By leveraging LLMs we’ve been able to overcome the barriers that […]

CWChris Wiltz·September 30, 2025AI & ML
Engineering — Shades Of October (2025 Wallpapers Edition) — Smashing Magazine

Shades Of October (2025 Wallpapers Edition) — Smashing Magazine

How about some new wallpapers to get your desktop ready for fall and the upcoming Halloween season? We’ve got you covered! Following our monthly tradition, the wallpapers in this post were created with love by the community for the community and can be downloaded for free. Enjoy!

CMCosima MielkeCosima Mielke·September 30, 2025Engineering