Lint: “Newer Library Versions Available” when using variables

Question

I have a project with 3 sub-projects. I want the 3 sub-projects to use the same dependencies versions so I factored all the versions in the root build.gradle:

Answer 1

The easiest way I have found (AS 3.6.3) is to open the project structure with Ctrl+Alt+Shift+S where there is a Suggestions tab: