| ⇢ | A | MapStudentArea added | |
| ⇢ | A | RemoveDuplicatedGuardians added | |
| ⇢ | A | UpdateClassEntriyWithZeroId added |
| ⇢ | D | Institution_student::updateStudentArea() added | |
| ⇢ | B | UpdateClassEntriyWithZeroId::process() added | |
| ⇢ | A | CloneController::updateInstitutionClasses() added | |
| ⇢ | A | RemoveDuplicatedGuardians::handle() added | |
| ⇢ | A | UpdateClassEntriyWithZeroId::processInstitution() added | |
| ⇢ | A | Institution_grade::getGradeSubjects() added | |
| ⇢ | A | RemoveDuplicatedGuardians::delete() added | |
| ⇢ | A | UpdateClassEntriyWithZeroId::handle() added | |
| ⇢ | A | UpdateClassEntriyWithZeroId::__construct() added | |
| ⇢ | A | Education_grades_subject::getGradeSubjects() added | |
| ⋮ | view more | ||
| B | ↘ | C | CloneController::process() got worse |