My web client application is setting HTTP POST requests via fetch API.
I see that OPTIONS preflight requests are sent via debugging proxy (Charles Proxy), but they
You'll need to go to: chrome://flags/#out-of-blink-cors, disable the flag, and restart Chrome.
chrome://flags/#out-of-blink-cors
This is an expected behavior change according to: https://bugs.chromium.org/p/chromium/issues/detail?id=995740#c1
I originally came across this via: https://support.google.com/chrome/thread/11089651?hl=en