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.
TRL v1.0: Post-Training Library Built to Move with the Field
Open the source for the full engineering note.
High memory usage in Postgres is good, actually
A high memory percentage in PlanetScale Postgres is not necessarily a problem. Let's compare how memory and CPU usage are different, how not all memory usage is created equal, and which signals actually require attention.
Under the hood: Redpanda Cloud Topics architecture
Cloud Topics represents a new replication mechanism in our Redpanda streaming engine that cuts costs by using object storage. Here’s how it actually works.
Kubernetes v1.36 Sneak Peek
Kubernetes v1.36 is coming at the end of April 2026. This release will include removals and deprecations, and it is packed with an impressive number of enhancements. Here are some of the features we are most excited about in this cycle! Please note that this information reflects the current state of...
Helping disaster response teams turn AI into action across Asia
AI for Disaster Response in Asia: OpenAI Workshop with Gates Foundation
Reimagining the mouse pointer for the AI era
Google DeepMind is transforming the mouse pointer into a context-aware AI partner. Move beyond the friction of traditional prompting with intuitive AI collaboration in Chrome and beyond.
STADLER reshapes knowledge work at a 230-year-old company
Learn how STADLER uses ChatGPT to transform knowledge work, saving time and accelerating productivity across 650 employees.
How Multi-Factor Authentication Helps Keep Your Discord Account Safe
A Discord account is more than just your username and avatar. That’s why it’s important to help keep your account safe and secure by using Multi-Factor Authentication, SMS Backup Authentication & QR Code Login. Learn how to keep your account more secure in the following blog post!
Liberate your OpenClaw
Open the source for the full engineering note.
Gemini 3.1 Flash Live: Making audio AI more natural and reliable
Our latest voice model has improved precision and lower latency to make voice interactions more fluid, natural and precise.
Stripe Projects partnership: Provision PlanetScale Postgres and MySQL databases from the Stripe CLI
PlanetScale is a co-design and launch partner for the Stripe Projects developer preview, allowing you or your coding agents to provision and manage databases and other dev tools directly from the Stripe CLI.
Reducing our monorepo size to improve developer velocity
Monorepos will continue to grow as products evolve, but growth doesn’t have to mean friction.
Protecting people from harmful manipulation
Google DeepMind researches AI's harmful manipulation risks across areas like finance and health, leading to new safety measures.
Lyria 3 Pro: Create longer tracks in more
Introducing Lyria 3 Pro, which unlocks longer tracks with structural awareness. We’re also bringing Lyria to more Google products and surfaces.
Inside our approach to the Model Spec
Learn how OpenAI’s Model Spec serves as a public framework for model behavior, balancing safety, user freedom, and accountability as AI systems advance.
Introducing the OpenAI Safety Bug Bounty program
OpenAI launches a Safety Bug Bounty program to identify AI abuse and safety risks, including agentic vulnerabilities, prompt injection, and data exfiltration.
Helping developers build safer AI experiences for teens
OpenAI releases prompt-based teen safety policies for developers using gpt-oss-safeguard, helping moderate age-specific risks in AI systems.
Update on the OpenAI Foundation
The OpenAI Foundation announces plans to invest at least $1 billion in curing diseases, economic opportunity, AI resilience, and community programs.
Powering product discovery in ChatGPT
ChatGPT introduces richer, visually immersive shopping powered by the Agentic Commerce Protocol, enabling product discovery, side-by-side comparisons, and merchant integration.
A New Framework for Evaluating Voice Agents (EVA)
Open the source for the full engineering note.
Discord Update: March 24, 2026 Changelog
Here's the Discord Changelog from March 24, 2026, so you can stay informed on what’s new in recent app updates!
Enhanced tagging in Postgres Query Insights
Introducing query tagging improvements in Postgres Query Insights
Visibility vs. autonomy: Solving the paradox of enterprise agentic systems
How a governed data control plane ensures trust and accountability.
Creating with Sora Safely
To address the novel safety challenges posed by a state-of-the-art video model as well as a new social creation platform, we’ve built Sora 2 and the Sora app with safety at the foundation. Our approach is anchored in concrete protections.
A Visual Guide to Attention Variants in Modern LLMs
From MHA and GQA to MLA, sparse attention, and hybrid architectures