# Modern editing workflows

These control-thread edits preserve project format 15. Session selections,
clipboard and comparison snapshots are not saved in projects. Audio callbacks
continue to consume prepared plans; edits use the existing stop/history workflow.

## Phase 47

Shift-click clips to toggle selection; Ctrl+A in the sequencer or Edit/Select all clips selects every clip. Plain clicking replaces the selection. Selection is session UI state; no marquee selection yet.