Instructions in this section should only be applied after upgrading an existing installation.
Test the new release
Perform any additional testing as appropriate to ensure the new version does not introduce any regressions.
Switch the site to the new version
The commands below should be executed from the web root (or wherever the mantisbt scripts are installed) and assume that the "live" directory (old version) is named mantisbt and the new release directory is mantisbt-1.3.x.