[OnePlus 5T  Guides, News, & Discussion] funnoam:
Previous OTAs

-- Oreo Builds --

5.0.3 ==> 5.0.4

- Updated audio drivers

- Small change in WLAN drivers

- Small change in camera libraries

- Small change in TeleService app

- Small change in Telecom app

- Small change in StorageManager app

- Small change in Settings app

- Small change in OPSettingsProvider app

- Small change in OPInCallUI app

- Small change in OPAppLocker app

- Small change in OPAod app

- Small change in MediaProvider app

- Small change in Qualcomm Location app

- Small change in OPAppLocker app

- Small change in OPSafe app

- Small change in OPLongshot app

- Small change in NFCTestMode app

- Small change in Account app

- Updated OPSystemUI app

- Updated OPNetworkSetting app

- Updated OPMms

- Updated DocumentsUI app

- Updated OPDeviceManager app

- Updated OPBackup app

- Updated OPSkin app

- Updated OPOnlineConfig app

- Updated OPBugReportLite app

- Updated EngineeringMode app

- Small change in QTI Telephony Common framework

- Small change in Wifi Service framework

- Small change in telephony framework

- Updated libsurfaceflinger (Screen rendering libraries)

- Updated QTI.Location.Sdk framework (Question & Test Interoperability for Location services by Qualcomm)

- Updated Services framework

- Updated boot framework

Build date : 23/02/2018

Updated firmware files : a540_zap, cppf.b00-07, ipa_fws, widevine.b00-07

Kernel version : 4.4-G1802230142

5.0.2 ==> 5.0.3

As you can see, no new features but an OTA focused on security.

OnePlus is also completely rebuilding the Widevine framework inside the ROM.

- Small change in camera libraries

- Small change in WLAN drivers

- Small change in network drivers

- Small change in PDF libraries

- Small change in Settings app

- Small change in Contacts app

- Revamped Widevine files & libraries

// Removed libwvdrm_L3.so, libWVStreamControlAPI_L3.so, com.google.widevine.software.drm

// Added new Widevine firmware files (widevine.mdt / widevine.b00-07)

- Removed liboemcrypto.so (Encryption librarie)

- Removed mkey apk

- Updated Media DRM Server

- Updated OPMms

- Updated OPSkin

- Updated OPSafe

- Updated OPOnlineConfig

- Updated OPBackup

- Updated OPDeviceManager

- Updated services framework

- Updated ART framework

- Updated boot framework

- Updated EngineeringMode app

- Added firmware files cppf.mdt / cppf.b00-07 (Encryption related)

Kernel version : 4.4-G1802022353

-- Nougat Builds --

4.7.5 ==> 4.7.6

- Small change in libqomx_jpegenc.so, libqomx_jpegenc_pipe.so (Camera/JPEG Encoder)

- Small change in OnePlusGallery

- Small change in libdrmframework.so, libdrmframework_jni.so (DRM Framework) // sadly still no Widevine L1 on this update

- Small change in oneplus-framework-res.apk

- Small change in wfdconfig.xml (HCDP Content Protection Valid Value 1 --> 0)

- Updated Android/ART Runtime

- Updated camera libraries

- Updated Phone libraries

- Updated Sound FX libraries

- Updated Audio libraries

- Updated input/touch libraries

- Updated media libraries

- Updated GPS/Location libraries

- Updated Android Graphic Lib

- Updated StageFright/Media libraries

- Updated Vulkan libraries

- Updated Bluetooth libraries

- Updated SoundRecorder

- Updated OPFileManager

- Updated TeleService (Phone)

- Updated Telecom (Phone)

- Updated StorageManager

- Updated Settings app

- Updated OPWifiApSettings (WiFi Settings)

- Updated OPSystemUI (System Interface)

- Updated OPMms (MMS)

- Updated OPInCallUI (In-Call Interface)

- Updated OPDeviceManager

- Updated OPAppLocker

- Updated OPAod

- Updated OnePlusCamera

- Updated EmergencyInfo

- Updated DocumentsUI

- Updated Dialer

- Updated ContactsProvider

- Updated Contacts

- Updated CarrierConfig

- Updated OPWidget

- Updated OPSafe

- Updated OPLongShot

- Updated OPBackup

- Updated EngSpecialTest

- Updated EngineeringMode

- Updated DiracManager (Audio)

- Updated DeskClock

- Updated bootloader

- Updated linker

- Updated adb daemon

- Updated health daemon

- Updated cnss-daemon

- Updated firwmare files : a540_zap, ipa_fws

- Renamed Android.EngineeringMode to OnePlus.FactoryMode

Kernel updated to version 4.4-G1712252114

Android Security Patches updated to 1st December 2017

4.7.4 ==> 4.7.5

- Small change in libmmcamera2_q3a_core.so (camera libraries)

- Small change in libstagefright_soft_avcdec.so (Used for hardware h264 decoding)

- Updated libstagefright_soft_avcenc.so (Used for hardware h264 encoding)

- Updated libwebrtc_audio_preprocessing.so (Related to audio processing)

- Updated OPDeviceManager

- Updated OnePlusCamera

- Updated firmware files : a540_zap, ipa_fws

Kernel updated to 4.4-G1712122320

4.7.2 ==> 4.7.4

- Updated camera libraries (HAL & config files)

- Updated video/media libraries

- Updated fw_synaptics_17801.img (Touch Panel firmware)

- Updated fingerprint libraries

- Updated android framework

- Small change in qca_cld3_wlan.ko (Wi-Fi driver)

- In WCNSS_qcom_cfg.ini, g_enable_packet_filter_bitmap=2 ---> g_enable_packet_filter_bitmap=3 (wi-fi optimization, not sure if that makes a difference)

- In build.prop : ro.com.google.gmsversion=7.1_r6 --> ro.com.google.gmsversion=7.1_r7 (Google Mobile Services)

- Updated GMSCore.apk (Google Mobile Services)

- Small change in APN Config files (added iD internet virtual apn / Change iD internet to ipv4v6)

- Updated firmware files : a540_zap, ipa_fws

- Recovery updated

Kernel updated to 4.4-G1712062242

The rest is minor, all Google Apps updated also.