Version 5.7 added the ability to launch a search using the Find Any File utility directly from within an Open or Save dialog.
Fixed a "Finder-click" bug where the app sometimes failed to recognize open Finder windows in certain configurations. Default Folder X 5.7 5453
If you are new to the app, it primarily functions by attaching a toolbar to the side of every standard macOS file dialog: Default Folder X - St. Clair Software Version 5
Default Folder X is a long-standing utility for macOS that supercharges Open and Save dialog boxes, allowing users to navigate their file systems much more efficiently. Overview of Version 5.7 (Build 5453) Default Folder X 5.7 5453