essentially the adoption of No-GIL Python will depend on: 1. In which version No-GIL will become default option in CPython 2. When that CPython version wil

essentially the adoption of No-GIL Python will depend on: 1. In which version No-GIL will become default option in CPython 2. When that CPython version will come standard in LTS Linux distro 3. When all earlier LTS distros will go out of support 4. When companies switch from outdated to target LTS version of distro currently quite a lot of companies use python3.6 only because it comes standard with the Ubuntu 14.04.6 which happens to be the oldest LTS version - and companies have habit of migrating from out-of-support LTS version to currently-supported-oldest-LTS