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Engineering at Meta

Engineering at Meta Blog

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

The 2025 Typed Python Survey, conducted by contributors from JetBrains, Meta, and the broader Python typing community, offers a comprehensive look ...
Posted on 22 December 2025 | 2:00 pm

DrP: Meta’s Root Cause Analysis Platform at Scale

Incident investigation can be a daunting task in today’s digital landscape, where large-scale systems comprise numerous interconnected components a...
Posted on 19 December 2025 | 5:35 pm

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

We’re going behind the scenes of the Meta Ray-Ban Display, Meta’s most advanced AI glasses yet. In a previous episode we met the team behind the Me...
Posted on 17 December 2025 | 2:00 pm

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

Meta’s secure-by-default frameworks wrap potentially unsafe OS and third-party functions, making security the default while preserving developer sp...
Posted on 15 December 2025 | 5:00 pm

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 ...
Posted on 21 November 2025 | 9:00 pm

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-...
Posted on 20 November 2025 | 5:00 pm

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...
Posted on 18 November 2025 | 5:00 pm

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

Connecting Africa and the World We’re excited to share the completion of the core 2Africa infrastructure, the world’s longest open access subsea ca...
Posted on 18 November 2025 | 6:00 am

Enhancing HDR on Instagram for iOS With Dolby Vision

We’re sharing how we’ve enabled Dolby Vision and ambient viewing environment (amve) on the Instagram iOS app to enhance the video viewing experienc...
Posted on 17 November 2025 | 5:30 pm