History Panel

The History panel shows a list of all actions you've taken, allowing you to undo and redo changes.

History List

Display

Each action shows:

• Icon - Type of action
• Description - What changed
• Time - When it happened

Current State

The current state is highlighted. Actions above are undone; actions below are the active history.

Navigating History

Undo/Redo

• Click any action to jump to that state
• All actions after are undone
• All actions before are applied

Keyboard Shortcuts

Toolbar Buttons

• Undo arrow - Step back one action
• Redo arrow - Step forward one action

Action Types

Node Actions

• Add Node - Node was added
• Delete Node - Node was removed
• Move Node - Node was repositioned
• Connect - Connection made
• Disconnect - Connection removed
• Parameter Change - Value modified

Fixture Actions

• Add Fixture - Fixture added to project
• Remove Fixture - Fixture deleted
• Patch - Address changed
• Move - Position changed

Timeline Actions

• Add Layer - Layer created
• Delete Layer - Layer removed
• Move Layer - Layer reordered
• Duration Change - Timing modified

Project Actions

• Settings Change - Project settings modified
• Import - Content imported
• Export - Content exported

History Limits

Maximum History

History is limited to prevent memory issues:

• Default: 100 actions
• Adjust in Settings > General
• Oldest actions are removed when limit reached

Clearing History

To free memory:

1. Edit > Clear History
2. Confirm the action
3. History is emptied (cannot be undone)

Branching

Non-Destructive Editing

When you undo and make new changes:

• A new branch is created
• The old "future" is discarded
• This is standard behavior

Preserving States

To keep a state:

1. Undo to that state
2. File > Save As to create a copy
3. Continue editing in either file

Tips

Quick Undo

For rapid undo:

• Hold Cmd + Z to undo continuously
• Release to stop
• Repeat for multiple undos

Before Major Changes

Before big changes:

1. Save your project
2. Note your current history position
3. Proceed with confidence

Session Persistence

History is kept during your session:

• Survives panel resizing
• Preserved through saves
• Lost when you close the project

Related

• Keyboard Shortcuts - All shortcuts