Upgrade v13 to v14 (Ubuntu VPS) while Saving Custom Changes

Hi,
Any detailed step by step guide available for upgrading from v13 to v14 (V13 is deployed on VPS Ubuntu 20.04). The installation include some doc changes and customizations so dont want to loose them.

Hi, any advise on how to do this please?

Have you found the solution??

Nopes, not yet.