http://androidforum.tytung.com/nexushd2-kitkat-cm11-0-t211.html

V4.1 (Dec. 21, 2013)
Updated CM-11.0 source code
Updated to Android KitKat 4.4.2 (KOT49H)
Updated Google apps to KitKat 4.4.2 version (Credit: Google)
Updated initrd.gz to KitKat 4.4.2 (CM 11.0) version (Credit: tytung)
Fixed WiFi legacy bcm4329/wext driver (wpa_supplicant v2.1 and init.htcleo.rc) (Credits: jianC, npz and tytung)
Added WiFi Ad-Hoc Network support for CM-11.0 (wpa_supplicant v2.1 adhoc and Settings.apk) (Credit: tytung)
Fixed MediaProvider crash by setting the valid UUID (Credits: drewis and tytung)
Added modified HWUI framework patch for CM-11.0 to support HWUI deny app HwaSettings.apk (Credits: tytung and royale1223)
Fixed black screen/box in the browser, email, gmail, etc. by forcing to activate HWUI framework patch (Credit: tytung)
Included LowSoundFixer_v1.0.7.apk for fixing the low sound issue for legacy devices. (Credit: tytung)
Fixed legacy EGL issue for HD2 for CM-11.0 by merging cm-10.2 source code (Credit: tytung)
Fixed Screenshot (Credit: tytung)
Fixed recent apps not displaying preview (Credit: tytung)
Fixed H/W video decoding (native 720p video playback) for CM-11.0 (Based on Legacy QCOM OMX Mods) (Credits: tytung and Ganster41)
Fixed native USB Tethering for CM-11.0 (frameworks_base) (Credit: tytung)
Fixed the glitchy preview of Camera by replacing with JB 4.1.2 version (Gallery2.apk and libjni_legacymosaic.so) (Credit: tytung)
Updated to Gmail 4.7.1
Updated to Google Calendar 201308023
Updated to Google Keyboard 2.0.19133
Updated to Google Maps 7.5.0
Updated to Google Play Store 4.5.10
Updated to Google Play services 4.0.34
Updated to Google Search 3.1.24.941
Updated to YouTube 5.3.28
Updated to the latest hosts file (December-06-2013) for blocking ads.
Decreased the required system space to 270 MB (Full installation).

其中亮点：
Updated to Android KitKat 4.4.2 (KOT49H)
Fixed WiFi legacy bcm4329/wext driver (wpa_supplicant v2.1 and init.htcleo.rc) (Credits: jianC, npz and tytung)
Fixed black screen/box in the browser, email, gmail, etc. by forcing to activate HWUI framework patch (Credit: tytung)
Fixed MediaProvider crash by setting the valid UUID (Credits: drewis and tytung)
Fixed Screenshot (Credit: tytung)

英语盲路过。。。看不懂啊

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