UCRT

Assess

Tools

Microsoft's Universal C Runtime used by newer Windows toolchains and libraries.

Why it's here

Placed in Assess: 2 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 32%.

6Hacker News·7/12/2026security
Chrome 148 Makes Math.tanh OS-Fingerprintable
Since Chrome 148, V8 uses the host platform's math library for Math.tanh, causing the function to return slightly different floating-point results on Linux, macOS, and Windows. That makes tanh() a small but usable fingerprinting signal that can reveal the underlying OS and create inconsistencies for browser spoofing systems.
4Hacker News·6/29/2026open_source
Principia Rebuilt for Windows XP Support
The Principia open source project is being adapted to run on Windows XP again, reversing a compatibility gap created by newer toolchains and libraries. The effort focuses on rebuilding a Windows cross-compilation toolchain so the game can be compiled for older systems without relying on modern Windows dependencies.