This isn't a new problem, but it's driving me nuts since Mojave seems to have made it worse. I have a number of Macs (and other Apple devices, including an Apple TV) and all of them have now started ...
So I've built my own pfsense router. Following various guides, I've got it running doing wire-speed encryption for VPN to us-east.privateinternetaccess.com. I'm getting over 400mbit/second down/25mbit ...