Field Signal · Curated Reading
The Engineering
Signal.
High-signal field notes, architecture teardowns, and engineering writing from 50 publications. A focused reading queue for becoming a stronger end-to-end engineer. Updated 22 Aug.
Build a Domain-Specific Embedding Model in Under a Day
Open the source for the full engineering note.
Announcing Ingress2Gateway 1.0: Your Path to Gateway API
With the Ingress-NGINX retirement scheduled for March 2026, the Kubernetes networking landscape is at a turning point. For most organizations, the question isn't whether to migrate to Gateway API , but how to do so safely. Migrating from Ingress to Gateway API is a fundamental shift in API design. G...
Running Agents on Kubernetes with Agent Sandbox
The landscape of artificial intelligence is undergoing a massive architectural shift. In the early days of generative AI, interacting with a model was often treated as a transient, stateless function call: a request that spun up, executed for perhaps 50 milliseconds, and terminated. Today, the world...
How Slack Rebuilt Notifications 📣
Introduction 🔔 At Slack, notifications are how teams stay in the loop, but they can also become overwhelming when not designed with intention. Our goal was to make staying informed feel effortless. We set out to rebuild one of Slack’s most complicated systems from the ground up by bringing calm, co...
How we monitor internal coding agents for misalignment
How OpenAI uses chain-of-thought monitoring to study misalignment in internal coding agents—analyzing real-world deployments to detect risks and strengthen AI safety safeguards.
OpenAI to acquire Astral
Accelerates Codex growth to power the next generation of Python developer tools
A Trillion Transactions
We processed a trillion transactions to test TigerBeetle’s scale.
Securing Production Debugging in Kubernetes
During production debugging, the fastest route is often broad access such as cluster-admin (a ClusterRole that grants administrator-level access), shared bastions/jump boxes, or long-lived SSH keys. It works in the moment, but it comes with two common problems: auditing becomes difficult, and tempor...
Introducing Redpanda AI SDK for Go
Redpanda needed observable, resilient, production-grade AI tooling for Go, so we built it ourselves. Today, we're open-sourcing it.
How we optimized Dash's relevance judge with DSPy
We used DSPy to turn prompt engineering for our relevance judge into a measurable, automated optimization loop, improving task performance, cost, and how reliably it works in production.
State of Open Source on Hugging Face: Spring 2026
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Measuring progress toward AGI: A cognitive framework
We’re introducing a framework to measure progress toward AGI, and launching a Kaggle hackathon to build the relevant evaluations.
Holotron-12B - High Throughput Computer Use Agent
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Introducing GPT-5.4 mini and nano
GPT-5.4 mini and nano are smaller, faster versions of GPT-5.4 optimized for coding, tool use, multimodal reasoning, and high-volume API and sub-agent workloads.
OpenAI Japan announces Japan Teen Safety Blueprint to put teen safety first
OpenAI Japan announces the Japan Teen Safety Blueprint, introducing stronger age protections, parental controls, and well-being safeguards for teens using generative AI.
The Invisible Rewrite: Modernizing the Kubernetes Image Promoter
Every container image you pull from registry.k8s.io got there through kpromo , the Kubernetes image promoter. It copies images from staging registries to production, signs them with cosign , replicates signatures across more than 20 regional mirrors, and generates SLSA provenance attestations. If th...
Equipping workers with insights about compensation
New research shows Americans send nearly 3 million daily messages to ChatGPT asking about compensation and earnings, helping close the wage information gap.
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 close — and it’s why open-sourcing battle-tested tools like Osprey matters so much.
Redpanda pushes the envelope on NVIDIA Vera
NVIDIA Vera provides 5.5x lower latencies and up to 73% higher throughputs than other leading CPU models.
Why Codex Security Doesn’t Include a SAST Report
A deep dive into why Codex Security doesn’t rely on traditional SAST, instead using AI-driven constraint reasoning and validation to find real vulnerabilities with fewer false positives.
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 game, and get your server verified in the process! Read on to see how it works.
Designing AI agents to resist prompt injection
How ChatGPT defends against prompt injection and social engineering by constraining risky actions and protecting sensitive data in agent workflows.
From model to agent: Equipping the Responses API with a computer environment
How OpenAI built an agent runtime using the Responses API, shell tool, and hosted containers to run secure, scalable agents with files, tools, and state.
Redpanda Cloud’s BYOVPC for AWS is now Generally Available
BYOVPC is ready for production workloads, giving teams advanced networking control without sacrificing the managed experience you love about Redpanda Cloud.
Wayfair boosts catalog accuracy and support speed with OpenAI
Wayfair uses OpenAI models to improve ecommerce support and product catalog accuracy, automating ticket triage and enhancing millions of product attributes at scale.