WYSIWYG text formatting toolbar should be static at top of window (and save button should be static at the bottom of the window). Scrolling to the top and bottom to access WYSIWYG options can be challenging with lengthy copy.
Editor provides support and guidelines (e.g Feature developers will be able to update the height and width.) for Feature and custom field level Plugins. Find more details here -
Michellina Jones
Editor provides support and guidelines (e.g Feature developers will be able to update the height and width.) for Feature and custom field level Plugins. Find more details here -
Editor Plugins documentation
Editor 2.2 Release Notes
Plugins (WYSIWYG in this case) are custom built so please work with your Feature Developers for making any enhancements.