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11,842 articles
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