...es/doceditor/onlyoffice/ui/OnlyOfficeAdminController.java

...s/doceditor/onlyoffice/ui/OnlyOfficeEditorController.java

.../doceditor/onlyoffice/ui/_i18n/LocalStrings_de.properties

.../doceditor/onlyoffice/ui/_i18n/LocalStrings_en.properties

...ns/services/thumbnail/_spring/thumbnailserviceContext.xml

...ore/commons/services/thumbnail/impl/ImageToThumbnail.java

.../core/commons/services/thumbnail/impl/PDFToThumbnail.java

...commons/services/thumbnail/impl/ThumbnailServiceImpl.java

...ommons/services/vfs/manager/VFSRepositoryServiceImpl.java

src/main/java/org/olat/upgrade/OLATUpgrade_15_3_0.java

src/main/java/org/olat/upgrade/_spring/upgradeContext.xml

src/main/resources/serviceconfig/olat.properties