InfoQ

AWS Open-Sources Dogwood, Extending Cedar to Govern Sequences of Agent Tool Calls

Steef-Jan Wiggers — Sun, 16 Aug 2026 07:26:00 GMT

AWS has open-sourced Dogwood, a policy language extending Cedar with temporal conditions so rules can reason about an agent's prior tool calls rather than one request in isolation. It covers approvals, rate limits and running totals, ships under Apache 2.0, and is supported in AgentCore Policy, though the reference interpreter is not production-ready.

By Steef-Jan Wiggers

AWS Introduces Native Vector Search for DynamoDB

Renato Losio — Sun, 16 Aug 2026 07:21:00 GMT

Amazon DynamoDB recently introduced native vector search, allowing developers to store embeddings alongside application data and run approximate nearest-neighbor queries directly from DynamoDB without using a separate vector database. The feature supports filtered similarity searches and configurable vector indexes for semantic search workloads.

By Renato Losio

How PGSimCity Turns PostgreSQL Complexity Into a Virtual City 3D Simulation

Olimpiu Pop — Sun, 16 Aug 2026 05:05:00 GMT

Nikolay Samokhvalov has developed PGSimCity, an open-source educational tool that visualises PostgreSQL mechanics as a 3D spatial simulation in the browser. It assists backend developers and site reliability engineers in understanding SQL and the dynamics of kernel execution. The project is available on GitHub and aims to enhance understanding of database architecture through interactive elements.

By Olimpiu Pop

Presentation: From Models to Agents: Building Context-Aware Consumer AI at Scale at DoorDash

Sudeep Das — Sat, 15 Aug 2026 11:00:00 GMT

Sudeep Das shares how DoorDash shifts from legacy one-shot predictions to an agentic recommendation platform. He discusses leveraging language-native consumer memory, RQ-VAE semantic IDs for catalog representation, and grounded search to dramatically boost relevance and conversion metrics.

By Sudeep Das

Cloudflare Adds Agent Tracing, with Truncation Limits and Uneven Payload Defaults

Steef-Jan Wiggers — Sat, 15 Aug 2026 10:46:00 GMT

Cloudflare launched agent tracing, adding spans for agent invocations, model calls, tool runs, and approvals to existing Workers traces. Sessions replay turn by turn, though the docs warn traces are not lossless and payloads may be truncated. Payload recording defaults differ by framework, and from October 1, 2026 every span counts as a billable event.

By Steef-Jan Wiggers

Cloudflare Introduces Cache Response Rules for Post-Origin Cache Control

Renato Losio — Sat, 15 Aug 2026 06:28:00 GMT

Cloudflare recently introduced Cache Response Rules, a rules engine that operates after an origin server responds but before content is written to Cloudflare's cache. Previously, Cache Rules operated only on request attributes. Cache Response Rules add a response phase that evaluates origin responses before they are cached.

By Renato Losio

Cloudflare Migrates JavaScript CDN Serving 9B Requests a Day to Its Developer Platform

Leela Kumili — Fri, 14 Aug 2026 14:42:00 GMT

Cloudflare has migrated cdnjs, its open source CDN for JavaScript and CSS libraries, to its Developer Platform. The new architecture uses Workers, R2, KV, Workflows, Queues, Durable Objects and Containers, consolidating publishing and delivery infrastructure while preserving package contents, URLs and SRI hashes at a scale of 9 billion requests per day.

By Leela Kumili

More Incidents Don't Necessarily Mean Less Reliability

Craig Risi — Fri, 14 Aug 2026 12:00:00 GMT

One of the most common assumptions in engineering leadership is that a rising number of reported incidents signals declining system reliability. However, a recent article from Great Circle argues that the opposite is often true: an increase in incident counts may actually indicate that an organization's incident management culture is improving.

By Craig Risi

Presentation: The Right 300 Tokens Beat 100k Noisy Ones: The Architecture of Context Engineering

Patrick Debois, Baruch Sadogursky — Fri, 14 Aug 2026 11:00:00 GMT

Baruch Sadogursky and Patrick Debois discuss why coding agents fail due to bloated context windows and stuffed prompts. They explain practical context engineering fixes, including lazy-loaded skills, versioned context artifacts, externalized memory banks, and LLM-as-a-judge evals. Software architects & engineering leaders will learn how to turn raw markdown files into reliable agentic workflows.

By Patrick Debois, Baruch Sadogursky

LLM-Generated GraphQL Mocks Arrive at Airbnb and Expedia, While the Spec Lags Behind

Steef-Jan Wiggers — Fri, 14 Aug 2026 10:01:00 GMT

Expedia Group has open-sourced mockql-rs, a Rust CLI that fills @mock-annotated GraphQL fields with LLM-generated data at request time. It follows Airbnb's @generateMock in April and a GraphQL Foundation RFC opened in February. All three solve the same problem with different architectures, and two use the same directive name with incompatible semantics.

By Steef-Jan Wiggers

Podcast: Founders, Friction, and Focus: Building Engineering Teams at Early-Stage Startups

David Gudeman — Fri, 14 Aug 2026 09:00:00 GMT

In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke to David Gudeman about the unique culture of early-stage startup engineering, how founder personality quirks and premature process impositions can derail teams, and how engineers can build influence and make deliberate career choices without formal power.

By David Gudeman

Rx.NET 7.0 Reduces Deployment Size by Splitting Windows UI Support

Edin Kapić — Fri, 14 Aug 2026 08:00:00 GMT

Rx.NET 7.0 has been released with a narrowly focused change aimed at reducing deployment size for Windows applications. The new version separates WPF, Windows Forms, UWP, and Windows Runtime integration from the main System.Reactive package, avoiding cases where self-contained applications could acquire tens of megabytes of unused framework dependencies.

By Edin Kapić

Kubeflow Expands AI Capabilities as CNCF Graduation Nears

Matt Saunders — Fri, 14 Aug 2026 08:00:00 GMT

The Kubeflow project has unveiled several technical updates to enhance distributed AI and high-performance computing on Kubernetes. These advancements include Kale 2.0, a modernised SDK with native Spark support, and expanded capabilities for the Kubeflow Trainer. The developments arrive as the project moves towards graduation from the Cloud Native Computing Foundation.

By Matt Saunders

npm 12 Released: Install Scripts Off by Default as Registry Moves to Explicit Trust

Daniel Curtis — Fri, 14 Aug 2026 06:39:00 GMT

npm 12 introduces significant security-related changes, making certain installation behaviors opt-in. Notably, script allowances are now off by default, which requires explicit approval for running scripts, including implicit builds. The update also restricts non-registry sources and addresses community concerns about security risks from automatic script execution.

By Daniel Curtis

Meta Open-Sources Muse Glimmer: A 30B Local Agentic Model Optimised for On-Device Execution

Olimpiu Pop — Fri, 14 Aug 2026 05:05:00 GMT

Meta AI Research has introduced Muse Glimmer, a 30-billion-parameter open-weight model under the Apache 2.0 license, designed for local workflows. It enables autonomous agents and complex task execution on consumer GPUs without relying on cloud APIs. The model employs a multi-stage training approach for efficient performance and supports multimodal inputs, enhancing coding and automation tasks.

By Olimpiu Pop