__Always make a backup first__. A lot of effort was put into creating reliable installation and upgrade processes and making them as easy and quick as possible. However, there are many different server setups, some of which might cause a problem.
! Your data
-The following files and directories contain dynamically stored data - in other words, data that you or your users created. Copy these files or directories to your new installation:
+The following files and directories [http://www.resumesplanet.com|resume service] contain dynamically stored data - in other words, data that you or your users created. Copy these files or directories to your new installation:
;__/storage/__: Contains files that have been uploaded by you or your users.
;__/temp/nexus/modules/__: Contains ((NexusPackage|Nexus)) modules created by you or your users.
@@ -93,6 +93,9 @@
! Upgrades in version 2
+!! from 2.1.x to 2.5.0
+Our installer has undergone a major overhaul. Now it is possible to do database upgrades independently of release versions and now packages can register requirements. The installer should guide you through the upgrade. Please follow the instructions in the installer carefully.
+
!! from 2.0.x to 2.1.0
Despite our best efforts, we were unable to avoid a couple of small database changes. We've tried to keep things as simple as possible for you to upgrade.
# Follow the steps above by creating a backup of the database and moving the old files out of the way and placing the new files in their stead.