[HD2 Windows Mobile 6.5 ROM Development] djet:
A brief packages comparison to 1.66.405.2 (may be inaccurate with some packages versions):

OS 21869 21892

Package WWE_1.66.405.2 SKT_KR_1.74.911.2

Album 3_2_19203733_0 3_2_20132624_0
App_Service 1_80_0_0 1_87_0_0
Audio_Manager_Engine 2_0_19201927_h 2_0_20113628_h1
BCR_WWE 1_0_f090914b_02
Calculator 1_1_19201131_01 1_1_20141726_00
Camera 6_26_19223428_01 6_26_19223428_03
ClearStorage 2_3_0_1 2_3_0_3
CMCallForwarding 1_4_7_0 1_4_G_0
CMInternetSharing 1_1_6_0 1_2_8_0
CMPhoneVMSetting 1_5_0_0 1_9_0_0
CMPhone 1_6_4_2 1_6_H_2
CMPin 1_4_5_0 1_5_4_0
ConnectionSetup 3_1_19202627_00
Contact_Picker 1_0_19212132_00 1_0_20131521_00
Contact_Utility_Engine 1_1_19203327_00 1_1_20112326_00
DataDisconnect 1_14_0_1 1_14_0_2
DeviceInfo 2_7_0_1 2_11_11_1
DigitalCompass 1_0_19203231_3 1_0_20113131_0
DiscretixDRM 1_0_20090930_CP_01 1_0_20100207_00
Dshow 2_0_19203223_00 2_0_20132921_00
Email_Setup_Wizard 2_3_19203229_11 2_3_20121831_10
ExtNewPhoneSetting 1_0_1919_3232 1_0_1922_2033
Facebook_Engine 1_1_19223127_01 1_1_20121827_00
Field_T_e_s_t 2_19_0_0 2_22_0_0
FormatSD 1_15_0_2 1_15_0_3
GPS_Copilot 1_0_0_457
G_Sensor_Calibrator 1_1_19183520_3 1_1_19183520_4
HTCApplication 1_14_0_0 1_17_0_0
HTCBookmark 1_0_19202930_00 1_0_19202930_02
HTCFDN 1_6_2_0 1_7_2_1
HTCFramework 1_1_19203222_00 1_1_20132230_00
HTCMessage 1_00_281_0 1_09_281_2
HTCMessaging_Client 1_5_20111932_00 1_5_20141131_01
HTCScroll 2_0_19201130_00 2_0_20132230_00
HTCUtil 4_12_0_1 4_12_0_3
IE6Enhancement 1_0_19202230_00 1_0_19211527_00
IME_Engine_Western 2_1_19202626_00
IME_EzInput_Western 2_1_19203225_00
IME_Tutorial 1_0_19201622_00
InvokeSIMMgr 1_12_0_0 1_12_0_2
Java_JblendPackage 2_1_2_1_20090918_2_1_R2 2_1_2_1_20091124_2_1_0
Manila_Calendar 1_0_19222127_0 2_5_20112325_0
Manila_Core 2_5_19211619_0 2_5_20121429_3
Manila_Footprints 2_5_20111522_0 2_5_20131425_0
Manila_Home 1_0_19203029_3 1_0_19203029_7
Manila_Internet 2_5_19202527_0 2_5_19203921_1
Manila_Mail 2_5_19202430_0 2_5_20112732_0
Manila_Message 2_5_19201731_0 2_5_20113129_0
Manila_Music 2_5_19221828_0 2_5_19221828_1
Manila_People 2_5_19211322_4 2_5_19211322_71
Manila_Settings 2_5_19224031_0
Manila_Stock 2_5_19202521_0 2_5_20122122_1
Manila_Twitter 2_5_19203032_0 2_5_19212815_999
Manila_Weather 2_5_19203923_2 2_5_20132125_0
Media_Tool_kit 1_2_19203325_0 1_2_20132325_0
Menu_Enhancement 1_1_19212322_00 1_1_20132229_00
Microsoft_My_Phone 1_0_0_0
NaviPanel 1_0_19202624_02
New_Contact_Card 1_1_19202528_00 1_1_20133327_00
Notification_Enhancement 3_0_1921_1321 3_0_2011_3730
OOBE 1_0_19212127_02 1_0_20133430_00
Opera_Browser 9_70_35627_0 9_70_35961_0
PhoneSetting 1_65_0_0 1_72_0_0
Phone_Canvas_Enhancement_2G 4_2_62119203221_0
RunCC 1_1_b_0 1_1_b_3
Sensor_SDK 4_2_19202033_00 4_2_20113824_00
Settings_Improvement 1_0_19211330_01 1_0_20132728_00
SimLock 4_27_0_1 4_28_0_0
SIM_Mgr 6_76_0_1 6_79_0_0
Social_Networks_Engine 1_1_19211521_00 1_1_19212021_03
STK_Service 4_93_0_0 4_94_0_1
STK_UIPPC 4_74_0_1 4_74_0_2
Streaming_Media 3_1_19202228_00 3_1_19203824_00
Streaming_SDK 2_7_19182725_00 2_7_19212819_00
TaskBarIconMgr 2_11_0_0 2_13_0_0
Text_Selection 1_0_19202229_00 1_0_20141726_00
USSD_Service 4_35_0_0 4_38_0_0
Volume_Control 2_2_19203625_20 2_2_19203625_22
Wi-FiWizard 1_24_1_0 1_24_3_2
WiFiSettings 1_2_5_1 1_2_5_4
YouTube 2_6_19202631_00 2_6_19224122_00