DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
![Rust WASM vs TypeScript Performance: Why the 'Faster' Language Lost by 25% [2026]](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fumdpbkj4vn88g7zd603u.png)
KunalRust WASM vs TypeScript Performance: Why the 'Faster' Language Lost by 25% [2026]
A developer rewrote a Rust WASM JSON parser in TypeScript and it ran 25% faster. Here's why the JS/WASM bridge kills performance for the wrong workloads.

Building a CLI Tool in Rust: From Zero to Published on crates.io (2026 Guide)
Build, test, and publish a CLI tool to crates.io from zero Rust knowledge. Covers argument parsing with clap, error handling, testing, and cross-platform distribution.

GuyTesting MCP Servers: The Five Gates Between Demo and Production
"MCP servers should be tested similarly to web and mobile applications." By the end of this...

hiyoyoThe Tauri Sandbox Permissions That Blocked Me for Two Days
All tests run on an 8-year-old MacBook Air. My Swift CLI binary worked perfectly from the...

Marina KovalchukIntroducing a New JSON Query Tool: Faster and More Efficient Than jq, jmespath, jsonpath-rust, and jql
Introduction: The Quest for Speed in JSON Querying In the world of data processing, JSON...
![I Built a Security Scanner That Audits PDFs Before You Send Them. Here's How. [Devlog #10]](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fm866kbvyekmrt7yba4kw.png)
hiyoyoI Built a Security Scanner That Audits PDFs Before You Send Them. Here's How. [Devlog #10]
All tests run on an 8-year-old MacBook Air. You're about to email a contract. It looks clean. But...

VUSAL RAHIMOVI Built a Redis Alternative in Rust — MnemeCache
Redis is great. But it has problems I could not ignore: TLS is off by default No per-request...

fab2sWhy I built a Rust deep learning framework (and what I got wrong twice first)
The Python script that made me give up. It had more boilerplate for freezing and re-composing...

Manan ShuklaSerialization Showdown in Rust: JSON Was Fine Until It Wasn't
I want to tell you about the day I stopped defaulting to serde_json. We had a service. It handled...

gauravdagdeWe evaluated Go, Rust, and Python for our LLM proxy. Go won - and not for the reason you'd expect.
We built our LLM proxy in Go. Not Rust. Not Python. Here's the engineering trade-off nobody talks...

Cyril PODERHow to Prevent Your AI Agent from Burning $50 in a Loop
If you've built AI agents with LangChain, MCP, or the OpenAI Agents SDK, you've probably had this...
![Opening a PDF Without Leaving a Single Trace on macOS [Devlog #9]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fn9suvvagta7ydjvtldqv.png)
hiyoyoOpening a PDF Without Leaving a Single Trace on macOS [Devlog #9]
All tests run on an 8-year-old MacBook Air. Open a PDF on macOS and the OS quietly logs it in at...
![The Page Order Math Behind Saddle-Stitch Booklets Is Weirder Than You Think. So I Automated It. [Devlog #8]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F6cs2v4ly961hmyyh7cv7.png)
hiyoyoThe Page Order Math Behind Saddle-Stitch Booklets Is Weirder Than You Think. So I Automated It. [Devlog #8]
All tests run on an 8-year-old MacBook Air. Print pages 1, 2, 3, 4 in order, fold the paper — and...

moteI Built a Database Engine in Rust for My Robot and Learned That SQLite Was the Wrong Battle
The robot started ignoring me on a Tuesday afternoon. Not dramatically — no sparks, no screaming...

Vineeth N Kdiskdoc and dockit: same problem, two languages, different answers
I built two disk cleanup CLIs — one in Rust with a TUI, one in Go with risk scoring. Here's what each language and design taught me that the other couldn't.
![Every Swift Call Cost Me 50ms. I Killed That Cost Entirely With a Resident Daemon. [Devlog #7]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fvu9s17d9ldtzgiz15e7a.png)
hiyoyoEvery Swift Call Cost Me 50ms. I Killed That Cost Entirely With a Resident Daemon. [Devlog #7]
All tests run on an 8-year-old MacBook Air. 100 thumbnails. Each one spawning a new Swift process....