A Tale of Two Reacts, Deno's dx, and HTML Tools

Published on 13.12.2025

motyl.dev<div></div></>FRONTEND

Denial of Service and Source Code Exposure in React Server Components

TLDR: Two new vulnerabilities have been discovered in React Server Components: a high-severity Denial of Service and a medium-severity Source Code Exposure. The React team recommends immediate upgrades, even if you patched for last week's critical vulnerability.

Denial of Service and Source Code Exposure in React Server Components – React

React Native 0.83

TLDR: React Native 0.83 is here, shipping with React 19.2, new DevTools features for network and performance inspection, and no user-facing breaking changes.

React Native 0.83 - React 19.2, New DevTools features, no breaking changes · React Native

Deno 2.6: dx is the new npx

TLDR: Deno 2.6 introduces dx, a new command runner equivalent to npx, along with more granular permissions, faster type-checking with tsgo, and a new deno audit command for checking security vulnerabilities.

Deno 2.6: dx is the new npx | Deno

Useful patterns for building HTML tools

TLDR: A collection of useful patterns for building single-file HTML applications with JavaScript and CSS, leveraging LLMs for rapid development.

Useful patterns for building HTML tools