If you have a yearning to remove all references to a page, block, image, video or indeed any piece of content in Episerver then this blog post may provide some inspiration.
The Configurable Color Picker now supports defining and using more than one palette per site, for the full details check out this post.
It's feasible that editors may want to create media in Episerver (to reference external media via a URL or ID for example). This blog outlines a method which allows just this, whilst attempting to make minimal code changes.
This post deals with limiting the number of words an editor can enter in a TinyMCE rich-text editor with the aim of doing the minimum amount of Dojo customization possible (which is none).
A quick run-through of how you can validate image aspect ratios in Episerver, functionality you probably never knew you needed...until now.