Release version 2.4.0 Major features: * Slides: A new content format without any answer options has been added. * Interactive keynote: A new use case including the 'slides' format has been added. It replaces the 'All-inclusive' use case. Minor features and changes: * An overlay showing count of new student's questions and average feedback has been added to presentation mode. * Student's questions and comments are now directly displayed instead of a list of subjects. * JSON export and import now include session info and feature settings. Bug fixes: * Editor buttons now add new lines when necessary to produce correct Markdown. * New lines in Markdown content are now displayed as is. * All question formats apart from 'grid' are now correctly exported to CSV. Changes for developers: * Initial support for localization variations has been implemented.