Version 4.2.1
- Bugfixes
- Fix an issue in 4.1.4 - 4.2.0 extension script that can prevent upgrading. Versions 4.2.0 and 4.2.1 are identical, version 4.2.1 only exist to provide a fixed 4.1.4 - 4.2.1 direct ugprade script (Julien Rouhaud, thanks to Yuriy Vountesmery for the report)