Mermaid Release Notes: 6th Beta Release
New Features and Improvements
MM-1197: Undo/Redo Functionality to the Setup tab
Undo/Redo actions are now supported in the Setup tab. Mermaid keeps a record of all actions performed from the creation of a new mer file through to the current time. This record persists across open and close events allowing a large number of actions to be undone a significant time after they were first performed.
This full history can result in a large file being generated and this can have performance implications. Read more >