| ⇢ | A | InvalidSignature added | |
| ⇢ | A | SignatureParts added |
| ⇢ | B | SignatureHandler::bind() added | |
| ⇢ | A | SignatureParts::__construct() added | |
| ⇢ | A | InvalidSignature::signatureMustContainASpace() added | |
| ⇢ | A | SignatureParts::getSlashCommandName() added | |
| ⇢ | A | SignatureParts::getHandlerName() added | |
| ⇢ | A | SignatureParts::getSignatureWithoutCommandName() added | |
| B | ↛ | SignatureHandler::parseSignature() removed |