| ⇢ | A | MaxsizeCheck added | |
| ⇢ | A | ExtensionsCheck added | |
| ⇢ | A | RequiredCheck added | |
| ⇢ | A | SystemCheck added | 
| ⇢ | A | MaxsizeCheck::check() added | |
| ⇢ | A | ExtensionsCheck::check() added | |
| ⇢ | A | SystemCheck::check() added | |
| ⇢ | A | MaxsizeCheck::parseOptions() added | |
| ⇢ | A | MaxsizeCheck::__construct() added | |
| ⇢ | A | ExtensionsCheck::parseOptions() added | |
| ⇢ | A | ExtensionsCheck::__construct() added | |
| ⇢ | A | RequiredCheck::check() added | |
| ⇢ | A | RequiredCheck::__construct() added | |
| ⇢ | A | SystemCheck::__construct() added | |
| A | ↛ | Upload::checkMaxsize() removed | |
| A | ↛ | Upload::checkExtensions() removed | |
| A | ↛ | Upload::getSystemMessage() removed | |
| A | ↛ | Upload::checkRequired() removed | |
| A | ↛ | Upload::checkSystem() removed | |
| A | ↛ | Upload::parseRuleOpts() removed |