LineageOS 12.1 (Lollipop) ROM for Sony Xperia Z1 compact, with October 2017 security patches included (2017-10-05) and fix for WiFi KRACK attacks.
Further, removed tracking and Google dependencies (same as in LineageOS), Privacy Browser 2.6, System Webview M64, Kernel 3.4.113 - Includes microG patch (can be enabled in developer settings)