macOS Tahoe 26.3 Update Released: 52 Security Fixes, Zero-Day Patch & Complete Guide to What's New and What Apple Promised But Didn't Deliver

Complete analysis of macOS Tahoe 26.3 released February 11, 2026. Covers 52 security vulnerability fixes including actively exploited CVE-2026-20700 zero-day, retracted window resize fixes, app updates, and what you need to know before updating.