Indeed, I had exactly the reverse experience; dep never worked well, it was always moaning about obtuse errors ("project is not part of any GOPATH" etc) and was

Indeed, I had exactly the reverse experience; dep never worked well, it was always moaning about obtuse errors ("project is not part of any GOPATH" etc) and was pretty slow even when it did, whereas go mod just worked almost flawlessly. I guess our mileages vary :)