Today we are releasing XenForo 2.3.0 Release Candidate 5. While the majority of this release is focusing on bug fixes and stability, there are a few noteworthy changes.
Automatic legacy file clean up
XenForo installations after upgrading to XenForo 2.3 will have a number of files sitting in the file system which are no longer used. Any XenForo installation that has been around for a while, will to a lesser extent, have a similar issue. These files on their own shouldn't present any issue, but at the same time, keeping them around doesn't make much sense either.
There are three approaches to cleaning up legacy files automatically.
During one-click upgrade
One-click upgrades now have a special step for removing files that were present...