Engineering – Noise

The bridge to agent-scale Git infrastructure

Eleanor White — Wed, 21 Oct 2026 16:00:00 +0000

We moved a copy of 99.99999% of GitHub's repositories to Azure. Here's how per-reference quorums will bring over the rest, and how object storage lets reads scale independently.

The post The bridge to agent-scale Git infrastructure appeared first on The GitHub Blog.

App stability at scale with a layered defense

Grab Tech — Wed, 21 Oct 2026 00:23:00 +0000

Introduction Artificial intelligence (AI) coding assistants have changed how fast we can ship. They have not changed how mobile users experience a crash. That gap is the pressure every mobile stability program now operates under. The Grab superapp, w...

Staying Evergreen: How we automated secure access and repo hygiene in a shared org

Greg Mohler — Thu, 15 Oct 2026 18:00:00 +0000

Put native GitHub features to work to review outside collaborator access and archive stale repositories.

The post Staying Evergreen: How we automated secure access and repo hygiene in a shared org appeared first on The GitHub Blog.

From 2,500 requests to 24: Rebuilding star history without the stargazers

Taylor Cuilty — Wed, 14 Oct 2026 19:11:33 +0000

Our new repo star history API now provides trends without returning individual identities or requiring unbounded database work. These are the engineering tradeoffs we made.

The post From 2,500 requests to 24: Rebuilding star history without the stargazers appeared first on The GitHub Blog.

Rewinding the exponential: How we keep hardware usage down

Cathy Chi — Tue, 13 Oct 2026 15:51:41 +0000

Our strategies to optimize our data pipeline throughput without compromising data quality.

GrabMart data for faster disease outbreak detection

Grab Tech — Tue, 13 Oct 2026 00:23:00 +0000

Abstract Retail purchases can supplement clinical surveillance because changes in demand for some over-the-counter (OTC) products may appear before confirmed case reports. This article describes an early-stage concept for analysing aggregated GrabMart...

Building an evidence-grounded agentic security operations harness on Cloudflare

Deanna Tran — Wed, 07 Oct 2026 16:30:36 +0000

Cloudflare Managed Defense uses a team of specialized AI agents built on Workers and global network telemetry to analyze security alerts. By separating deterministic evidence collection from model inference, the system delivers grounded recommendations to Managed Defense Analysts.

Building Git infrastructure for agent-scale development

Brian Celenza — Tue, 06 Oct 2026 20:57:56 +0000

Writes are accelerating, and this growth can add stress to systems all repos depend on. Here's our approach to building architecture that can scale.

The post Building Git infrastructure for agent-scale development appeared first on The GitHub Blog.

Smarter personalization: How property data helps us understand user price sensitivity

Grab Tech — Tue, 06 Oct 2026 00:23:00 +0000

Introduction Existing systems estimate user price sensitivity primarily from spending behavior or demographic proxies. They do not systematically account for residential property values, which can indicate a user’s financial circumstances. This omissi...

Powering AI-led research through simulation

Grab Tech — Mon, 05 Oct 2026 00:00:00 +0000

The short story Consider a Friday evening. A food order arrives from a mall in the city center. One driver is nearby; another is finishing a drop-off and will be available shortly; a second order from the same mall may or may not appear in the next tw...

Supporting native Rust in Workers with the new Emscripten target for wasm-bindgen

Guy Bedford — Mon, 28 Sep 2026 13:00:00 +0000

With the new experimental support for the Emscripten target in Rust Workers, many previously unsupported Rust libraries and applications can now be built and deployed directly to Cloudflare’s global Workers platform, including upcoming support for Tokio async.

Improving site performance by shipping more CSS

Josh Black — Fri, 25 Sep 2026 15:00:00 +0000

A look at how a design system shipped major changes without breaking the world.

The post Improving site performance by shipping more CSS appeared first on The GitHub Blog.

Automated merchant review summary system with integrated feedback

Grab Tech — Fri, 25 Sep 2026 00:00:00 +0000

Introduction Merchant reviews contain useful details about food quality, portion size, packaging, and value. Finding these details often requires reading many comments. Aggregate ratings simplify comparisons, but they do not explain what shaped each s...

Rendering huge pull requests in the GitHub Copilot app

Alberto Gimeno — Wed, 23 Sep 2026 18:29:49 +0000

How we rebuilt the diff surface in the GitHub Copilot app to open a million-line pull request with hundreds of inline review comments.

The post Rendering huge pull requests in the GitHub Copilot app appeared first on The GitHub Blog.

Saving another 100TB of RAM with math (and Rust)

Kevin Guthrie — Fri, 18 Sep 2026 17:23:58 +0000

Cloudflare's global network is immense but not limitless. As we look for small ways to trim our resource usage, we sometimes get lucky and we can cut significantly more. Here’s how we reduced one of our Pingora-based service's RAM usage with statistics.

How we make AI coding more cost efficient without sacrificing task quality

Erik Kristensen — Wed, 02 Sep 2026 18:00:00 +0000

Why shorter outputs can cost more, and how GitHub Copilot reduces wasted work across the complete coding task.

The post How we make AI coding more cost efficient without sacrificing task quality appeared first on The GitHub Blog.

Data Mesh at Grab (Part III): Operationalizing data reliability with automated DPIs

Grab Tech — Fri, 28 Aug 2026 00:00:00 +0000

Introduction In the first two parts of this series, we described how Grab approaches data mesh through the Signals Marketplace: a way for teams to publish, discover, and reuse trusted data products across domains. Part II introduced the foundational t...

How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache

Sebastiaan Neuteboom — Thu, 27 Aug 2026 17:02:35 +0000

Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.

Your alt text passes automated checks. That doesn’t mean it’s any good.

Taarik Ashenafi — Mon, 24 Aug 2026 20:56:32 +0000

We built a plugin for the GitHub Accessibility Scanner to make sure your alt text is actually accessible. Here's how it works.

The post Your alt text passes automated checks. That doesn’t mean it’s any good. appeared first on The GitHub Blog.

Building Jarvis Pro: Route first, answer later

Grab Tech — Fri, 21 Aug 2026 00:00:00 +0000

Introduction The first Jarvis Pro prototype could produce answers that sounded right. That was the problem. One early answer looked polished: it named the merchant, summarized the week, and recommended pushing promotions before the next review. It w...