It is very unfortunate that they killed Upsource and the recommend Space as an alternative. It is like recommending a Swiss pocket knife as a replacement for a screwdriver. A screwdriver that is much easier and comfortable to handle.

Being a long-time customer of Jetbrains they didn't even want to offer a license so we could temporarily extend our Upsource license while searching for an alternative. Even not though we offered to pay for it.