I just recompiled QtWebEngine on latest 5.9.3
Compile show the flag is on, but when I run my app, I still have the error message on netflix..
I added the widevinecdm.dll and widevinecdmadapter.dll close to my executable.
C:\Qt\Qt5.9.3\5.9.3\Src\qtwebengine>C:\Qt\Qt5.9.3\5.9.3\msvc2015\bin\qmake WEBENGINE_CONFIG+=use_proprietary_codecs
Running configuration tests...
Done running configuration tests.
Configure summary:
Qt WebEngine:
Embedded build ......................... no
Pepper Plugins ......................... yes
Printing and PDF ....................... yes
Proprietary Codecs ..................... yes
Spellchecker ........................... yes
WebRTC ................................. yes
Using system ninja ..................... no
