How Slack Rebuilt Notifications đź“Ł
Introduction  At Slack, notifications are how teams stay in the loop, but they can also become overwhelming when not designed with intention. Our goal…
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Friend Bubbles: Enhancing Social Discovery on Facebook Reels
Friend bubbles in Facebook Reels highlight Reels your friends have liked or reacted to, helping you discover new content and making it easier to connect…
Ranking Engineer Agent (REA): The Autonomous AI Agent Accelerating Meta’s Ads Ranking Innovation
Meta’s Ranking Engineer Agent (REA) autonomously executes key steps across the end-to-end machine learning (ML) lifecycle for ads ranking models. This post covers REA’s ML…
AWS and Others Invest $12.5M to Defend the Open Source Ecosystem from AI Threats
AWS, Anthropic, Google, Microsoft, and OpenAI today announced a joint $12.5 million investment with the Linux Foundation to help open source projects address a surge…
How ROOST is Advancing Online Safety
The threat landscape online has shifted dramatically. Many online platforms are left to reinvent safety tools from scratch. That’s the gap ROOST was built to…
Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps
Even seemingly simple engineering tasks — like updating an API — can become monumental undertakings when you’re dealing with millions of lines of code and…
You’re Now Discord Official: Developers, Claim Your Game and Verify Your Server
Developers can now claim and customize their game’s profiles on Discord. Curate your game’s presence on the platform to help people discover more about your…
How Uber Built an Agentic System to Automate Design Specs in Minutes
Uber is setting a new standard for design systems by using the Figma Console MCP to shatter the manual documentation bottleneck. By letting AI agents…
Transforming Ads Personalization with Sequential Modeling and Hetero-MMoE at Uber
Learn how we rebuilt our Ads personalization model with Transformer-based sequential encoders and HeteroMoE to better capture user intent, boost targeting accuracy, and scale intelligent…
How Advanced Browsing Protection Works in Messenger
We’re sharing the technical details behind how Advanced Browsing Protection (ABP) in Messenger protects the privacy of the links clicked on within chats while still…
Building on the Social Layer of Games: What’s New from GDC 2026
At GDC 2026, Discord gives developers more ways to close the gap between connection and play. This post first appeared on Read More
Discord Patch Notes: March 6, 2026
Check out the finer details of the more technical fixes implemented into Discord recently. This post first appeared on Read More
Building High Throughput Payment Account Processing
Uber’s Payment Account Batch Processing system handles over 30 financial update operations per second for hot accounts with sub-second batching and strict consistency. Learn how…
Tracing Discord’s Elixir Systems (Without Melting Everything)
Join Senior Software Engineer Nick Krichevsky as he explains how Discord added distributed tracing to Elixir’s message passing and optimized it to handle millions of…
FFmpeg at Meta: Media Processing at Scale
FFmpeg is truly a multi-tool for media processing. As an industry-standard tool it supports a wide variety of audio and video codecs and container formats.…