2026-09-01 – 2026-09-30 · FromProduction
Five engineering articles selected for recency and company variety. This is a discovery selection, not a popularity ranking. Full articles remain on their original sites. Clicks do not measure completed reading or technical quality.
Amazon S3 Vectors now supports metadata pre filtering, delivering up to 5x higher recall on filtered searches. Filters evaluate before similarity search so scoped queries return more relevant results. Ideal for RAG, agentic apps, and document search.
CDN Requests is now the name for the usage metric previously called Edge Requests. This is a naming change only: pricing, limits, and how usage is measured are all unchanged. The new name appears on the usage dashboard, the Observability Events chart, usage notifications, and invoice line items. It reflects that these are requests served by Vercel's CDN. Metric IDs and product aliases are unchanged, so saved queries keep working. In the billing charges API, ServiceName now returns the new name. Integrations that match charges on ServiceName should switch to the new SkuId field, which stays…
Posted by Pavlo Stavytskyi, Software Engineer, Meta and Rebecca Franks, Developer Relations Engineer, Google This blog post is written in collaboration with the Meta team. Instagram Direct is one of the core surfaces on Instagram, handling billions of user messages every single day. Over years of iteration, the team squeezed every micro-optimization possible out of the legacy Android View system. However, maintaining and expanding a heavily optimized legacy surface creates significant technical debt and engineering overhead, especially as teams increasingly adopt declarative UI and AI coding…
Quick caveats: this is a post on AI safety, written by a cryptography professor. If that troubles you, you should read something else. I try hard not to work on AI (except when the topic occasionally tosses itself in my path), so in this post I’m mostly trying to referee arguments made by others. If … Continue reading Is sandboxing sufficient to contain rogue agents? →
The transport you choose shapes how a multiplayer browser game plays. How WebRTC data channels and WebSockets differ, and when to use each. Continue reading WebRTC Data Channels vs WebSockets for Real-Time Browser Games on SitePoint.