NOV 4, 2026

No Display? No Problem: Cross-Device Passkey Authentication for XR Devices

We’re sharing a novel approach to enabling cross-device passkey authentication for devices with inaccessible displays (like XR devices). Our approach bypasses...

Security Distributed Systems Performance

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F3 Lightning: How Meta Accelerates Ads ML Features to Production at Scale

Facebook Feature Framework (F3) is Meta’s framework for authoring, compiling, and serving the machine learning features underlying ads ranking models,...

SocialScale

1 min

Engineering5d ago

Catching Bugs Before They Land: JiTTesting’s Human-on-the-Loop Approach at Full Scale

Over the last year we’ve been sharing our work leveraging large language models to catch bugs on the fly — a novel approach we call Catching Just-in-Time...

SocialScale

1 min

Weekly Brief

Top 10 engineering articles delivered every Monday.

Engineering6d ago

Meta Andromeda: Powering the Next Generation of Ads Retrieval Through Model-System Co-Design

This post describes the next generation of Meta Andromeda, Meta’s personalized ads retrieval engine, and how co-designing the model, system, and GPU...

SocialScale

1 min