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jasnell.me

A blog about code and whatever else I might be thinking about.

@jasnell.me0readers35posts7d ago
LatestRecent writing
Show Your Work
Jun 4, 2026
The AI industry has a transparency problem...
Experimental DTLS Support in Node.js
May 21, 2026
An experimental implementation of the DTLS protocol is coming to Node.js, bringing TLS-equivalent security to datagram-based communication over UDP.
javascriptnetworking
OpenSource is still art
May 8, 2026
Software engineering has always been more craft than science. AI doesn't change that.
open-source
Advanced QUIC
May 7, 2026
This is Part 5 in a series on the new `node:quic` module in Node.js
javascriptnetworking
HTTP/3 Over QUIC in Node.js
May 7, 2026
This is Part 4 in a series on the new `node:quic` module in Node.js
http3javascript
QUIC Streams - Sending and Receiving Data
May 7, 2026
This is Part 3 in a series on the new `node:quic` module in Node.js
javascriptnetworking
QUIC Endpoints, Sessions, and the QUIC Connection Lifecycle
May 7, 2026
This is Part 2 in a series on the new `node:quic` module in Node.js
javascriptnetworking
QUIC and HTTP/3 Come To Node.js (finally)
May 7, 2026
A functional implementation of the QUIC and HTTP/3 protocols has finally landed in Node.js.
http3javascript
Teaching libuv's UDP Stack New Tricks
May 7, 2026
Extending libuv's uv_udp_t with ECN, PMTUD, pktinfo, and GSO/GRO support for QUIC and beyond.
libuvnetworking
2 AI or not 2 AI... Is really not the question
Mar 18, 2026
Should Node.js accept AI-generated code? tl;dr Yes, it should.
aijavascript
A few standards-related MCPs
Mar 16, 2026
Some MCP servers for web standards and specifications.
tooling
This blog now runs on vinext
Mar 15, 2026
This blog has been updated to use vinext, a Vite-based framework that provides a Next.js App Router-compatible API.
javascripttooling