Changes in version 0.99.3: o Custom tours can be restarted via the dropdown menu button, overwriting the default tour o Added functionality to provide a custom title to be displayed in the app o Preserve data points and width ratio upon zoom on discrete variables Changes in version 0.99.2: o Added functionality for providing additional custom tours, to be launched directly upon starting the app. Changes in version 0.99.1: o Added grid-based visual point downsampling for faster plotting, including control of resolution. o Added button "Clear features" for heat maps. o Reorganized buttons in heat map panels. o Maintainer badge transferred to Federico Changes in version 0.99.0: o Initial submission to _Bioconductor_.