Developer tools news — AI coding assistants, IDEs, CLI tools, APIs, and productivity tools for software engineers. GitHub Copilot, Cursor, and more.
This article explains the `System.Diagnostics.Metrics` APIs in .NET, focusing on the distinction between "observable" and "normal" instruments. For normal instruments, the application (producer) actively emits metric val…
Railway engineer Phin developed a feature called Network Flows, which uses eBPF to provide real-time visualization of traffic between services, eliminating the need for traditional tools like tcpdump. The feature was cre…
The article argues that building software without architectural oversight, similar to constructing a skyscraper without an architect, leads to structurally fragile systems with increased security risks. It warns that rap…
`microgpt.py`, a minimal, dependency-free Python implementation of a GPT (Generative Pre-trained Transformer) model for training and inference. It includes a complete autograd system, a character-level tokenizer, and a t…
Comprehensive guide for setting up a Windows 11 virtual machine with GPU passthrough and Looking Glass on an Arch-based Linux system using a Wayland compositor. It explains the architecture behind Looking Glass, which ac…
Based on the article, this is part 5 of a series guiding readers through building a browser-based dinosaur runner game using Deno. This stage focuses on adding player identity and customization features, including modals…
PaperBanana, an agentic framework that automates the creation of publication-ready academic illustrations for AI scientists by coordinating specialized agents for reference retrieval, planning, styling, rendering, and it…
Bun v1.3.9 introduces new `bun run --parallel` and `bun run --sequential` commands that allow running multiple package.json scripts concurrently or sequentially with colored, prefixed output, including full integration w…
The article describes "Ultralight Orchestration," a minimal multi-agent system that coordinates tasks between AI models Claude, Codex, and Gemini using an orchestrator, planner, coder, and designer agents. The system is …
The article reflects on the end of an era for the Heroku platform, which pioneered a simple "git push" deployment experience that was foundational for many developers. The author explains that while Heroku's decline is a…
The article describes a specialized AI agent called "codex-researcher" that uses OpenAI's Codex CLI tool to conduct automated research tasks. It provides detailed instructions on how to configure the tool for live web se…
The article summarizes John Ousterhout's distinction between tactical programming (focusing on quick fixes and features) and strategic programming (prioritizing long-term design). It warns that using large language model…
The article provides a setup guide for the Pi Coding Agent, detailing installation via npm, usage commands for interactive REPL or one-off prompts, and configuration options for models, tools, and API keys. It also expla…
Deno Deploy has officially launched as a general availability service, offering a zero-config platform for deploying JavaScript and TypeScript applications that supports all major frameworks and automatically detects bui…
Deno Sandbox is a new security feature from Deno Deploy that provides lightweight Linux microVMs for running untrusted code, such as LLM-generated scripts, with defense-in-depth isolation. It protects secrets by never ex…
The article explains how to use the `Microsoft.Extensions.Telemetry.Abstractions` source generator to simplify metric creation in .NET, replacing manual boilerplate code from the `System.Diagnostics.Metrics` APIs introdu…
New security features for the Railway platform, including workspace-wide two-factor authentication enforcement and Enterprise SSO integration with SAML 2.0 identity providers. It also introduces three distinct member rol…
The article compares the computational complexity of Claude Code's terminal user interface (TUI) renderer to that of Super Mario 64 (SM64), questioning whether Claude Code does more work per frame than the classic N64 ga…
Bun version 1.3.8 introduces a built-in CommonMark-compliant Markdown parser written in Zig, offering three rendering APIs: `Bun.markdown.html()` for HTML output, `Bun.markdown.render()` for custom callbacks, and `Bun.ma…
Railway, a cloud platform that enables one-click deployment of applications, has announced a commitment to financially support open source maintainers through the Open Source Pledge, allocating $100,000 in its first quar…