July 23, 2026 tech news: JavaScript's Date API is Broken; Securing AI-Generated Scripts with GraalVM.

JavaScript’s Date API is Broken

JavaScript’s built-in Date API has quietly corrupted production data for 30 years due to unintuitive design choices like 0-indexed months and silent timezone shifts. The new Temporal API replaces these ‘sharp edges’ with immutable objects and explicit type separation for calendar dates and machine timestamps.

• https://blog.gaborkoos.com/posts/2026-07-21-Your-JS-Date-Is-Lying-to-You/

Securing AI-Generated Scripts with GraalVM

As applications increasingly run AI-generated or customer-provided scripts, GraalVM provides a sandboxing framework to prevent malicious code from crashing hosts. By using separate heaps and strict resource limits, developers can execute untrusted JavaScript or WebAssembly without risking host application stability.

• https://medium.com/graalvm/sandboxing-script-extensions-with-graalvm-f192a8fb0c5f