| ⇢ | C | CourseController::indexJson() added | |
| ⇢ | A | Course::setVideoUrl() added | |
| ⇢ | A | Course::getVideoUrl() added | |
| ⇢ | A | Course::setSticky() added | |
| ⇢ | A | Course::isSticky() added | |
| C | ↘ | F | Version20201212195011::up() got worse |
| C | ↛ | CourseController::indexJsonAction() removed | |
| A | ↛ | SessionRelUser::setRelationTypeByName() removed |