Canvas has updated the Rich Content Editor that is available on pages, discussions, assignments, and quizzes. It contains a menu bar and tools bar
The menu bar has the same tools as the tools bar. The menu bar can be accessed via keyboard shortcuts as well as manually
The Content Selector is no longer visible on the right or bottom of the page
You can find these tools in the menu bar by selecting Insert. You can choose to insert Links, Documents, Images, etc.
The tool bar contains all the tools