IE and Edge are ignoring PAC script file. The file is on a webserver using HTTPS. If changing the URL to HTTP it works fine. Is there any known issue with Windows? I started seeing this behavior with Windows 10 Build 1903 but I'm not sure if it wasn't present on previous builds.
Again, using https://someserver/script.pac does NOT work. Using http://someserver/script.pac works.
Note: This could potentially be an issue with WinHTTP, as other browsers work perfectly, like Firefox or Chrome. I'm not sure but I think they use WinINet.