I have had the same issue for some time. I raised multiple tickets to helpdesk with little progress. I believe however i have found a way past it.
I have noticed when the game loads the logging in section i get 2 process threads under worldofwarships.exe named "Chromium embedded browser extension". If you terminate the top process of these the game logs in like it used to. I presume there is a bug with the embedded extension.
This Process - cef_browser_process.exe/cef_subprocess.exe - Created 13 Jan
Games\World_of_Warships\bin\6775398\bin64\cef
Further investigation:
World_of_Warships\bin\6775398\bin64\cef
World_of_Warships\bin\6775398\bin32\cef
is the current build there is also the previous build 6623042. I transferred the aforementioned PE files from the ##042 build to the current ##398 build and the problem persists.
I then created a backup of the current build cef folder in both 32 and 64 bin bin folder. I then deleted the cef folder in both 32/64 bit trees.
Debug Logs:
[0125/101150.041:INFO:cef_browser_win.cpp(140)] command-line: D:/Games/World_of_Warships/bin/6775398/bin64/cef/cef_browser_process.exe --user-agent="Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36 WOWS/1.0" --cache-path=D:/Games/World_of_Warships/profile/cef_cache --off-screen-rendering-enabled --off-screen-frame-rate=30 --enable-gpu --max-frame-rate=30 --log-file=D:/Games/World_of_Warships/profile/debug.log --log-severity=info --accept-language-list=en --autoplay-policy=no-user-gesture-required --disable-threaded-scrolling=1 --disable-features=TouchpadAndWheelScrollLatching,AsyncWheelEvents --id=11536
[0125/101150.042:INFO:cef_browser_win.cpp(141)] [TS(ms): 339758534] Waiting for connection...
This relates to Armoury, Shop and possibly the dockyard features. I seem to recall Armory taking forever or not loading on previous versions
however there was also the bellow error:
[0125/101153.352:INFO:CONSOLE(2)] "TypeError: Cannot read property 'account' of undefined", source: https://wows-static-production.wgcdn.co/worship/90c52def/assets/main.js (2)
[0125/101153.352:INFO:CONSOLE(2)] "TypeError: Cannot read property 'account' of undefined", source: https://wows-static-production.wgcdn.co/worship/90c52def/assets/main.js (2)
There are a number of Armoury errors
Deleting the CEF allows the game logs in without issue however there is no Armoury Dockyard or premium shop access. It looks like the login issue is caused by the WOW backend for the web delivered content.