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Latest posts

Last updated 2 days ago

Adapting the Facebook Reels RecSys AI Model Based on User Feedback

2 days ago

We’ve improved personalized video recommendations on Facebook Reels by moving beyond metrics...

CSS at Scale With StyleX

4 days ago

Build a large enough website with a large enough codebase, and you’ll...

Python Typing Survey 2025: Code Quality and Flexibility As Top Reasons for Typing Adoption

26 days ago

The 2025 Typed Python Survey, conducted by contributors from JetBrains, Meta, and...

DrP: Meta’s Root Cause Analysis Platform at Scale

28 days ago

Incident investigation can be a daunting task in today’s digital landscape, where...

How We Built Meta Ray-Ban Display: From Zero to Polish

about 1 month ago

We’re going behind the scenes of the Meta Ray-Ban Display, Meta’s most...

How AI Is Transforming the Adoption of Secure-by-Default Mobile Frameworks

about 1 month ago

Meta’s secure-by-default frameworks wrap potentially unsafe OS and third-party functions, making security...

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

about 2 months ago

We’re introducing Zoomer, Meta’s comprehensive, automated debugging and optimization platform for AI...

Key Transparency Comes to Messenger

about 2 months ago

We’re excited to share another advancement in the security of your conversations...

Efficient Optimization With Ax, an Open Platform for Adaptive Experimentation

about 2 months ago

We’ve released Ax 1.0, an open-source platform that uses machine learning to...

Announcing the Completion of the Core 2Africa System: Building the Future of Connectivity Together

about 2 months ago

Connecting Africa and the World We’re excited to share the completion of...

Enhancing HDR on Instagram for iOS With Dolby Vision

2 months ago

We’re sharing how we’ve enabled Dolby Vision and ambient viewing environment (amve)...

Open Source Is Good for the Environment

2 months ago

Most people have heard of open-source software. But have you heard about...