How to run KiCAD 7.0.11 and 8.0.9 together on Ubuntu 22

Hello,

I am quite conservative in upgrading to a new version for the production version of the board. So far I have everything on KiCAD 7.0.11 and I am going to migrate to 8.0.9. It is not a problem under Windows, I just have both versions installed and it works. I would like to work more under Linux (Ubuntu 22) but I have not yet found a good solution to have these versions at the same time. I have been betting a lot on flatpack, but I found that it is a problem to install the older version there. I have also found AppImage but the Image is not available for version 7.0.11, what would you recommend?

Thank you.

I built Docker images for running KiCad 5, 6, 7, and 8. Maybe you could use one of those or modify the images for what you need.

These sites have appimages for several versions. The latest 7 there is 7.0.10 though.

KiCad-AppImage - Browse Files at SourceForge.net
Releases · CyberCircuits/kicad-appimage · GitHub