It would be valuable to have the option to anchor the text when using the sidecar module to a specific spot on the slide, so that the story becomes more userfriendly when switching between slides (e.g. as seen in this article, where the text immediately jumps to its "anchored spot" on the slide).
This is particularly valuable for floating text without a background, whereas the text may become difficult to read floating above parts of images or maps with similar color as the text. It could also ease the scrolling when using a docked sidecar, in some cases making it easier to tell a story.