| ⇢ | A | Version20201210100010 added |
| ⇢ | A | learnpath::getVideoPlayer() added | |
| ⇢ | A | learnpath::get_videos() added | |
| ⇢ | A | CLp::setAutoForwardVideo() added | |
| ⇢ | A | CLp::getAutoForwardVideo() added | |
| ⇢ | A | Version20201210100010::up() added | |
| ⇢ | A | Version20201210100010::getDescription() added | |
| ⇢ | A | Version20201210100010::down() added | |
| B | ↘ | C | DocumentManager::get_document_preview() got worse |