Exclude folders by path, wildcard or hidden/system attributes.
Show Results in left/right tab.
Indexed search as a pre-filter.
"Suppress UAC prompts" option.
"Duplicate Files" now has its own folder format, distinct from the more general "Collection" format.
Duplicate selection UI:
New user interface for selecting which files should be deleted and which should be kept.
After searching for duplicates, click the Select button to open the new UI.
Folders containing duplicates are listed in a tree, allowing you to select or deselect different branches, among other options.
Shift-click to change multiple checkboxes at once, or use the various tools above the tree.
"Preferred locations" list for selecting duplicates by location. Can be saved for reuse.
Miscellaneous:
Removed separate "Delete mode" and Delete button. No longer needed.
New option, "Ignore hard links".
New option, "Ignore offline files".
New option, "Minimum size".
When matching by checksum, an initial checksum is calculated of just the start of potential matches. The full checksum is only calculated if the partial checksums match.
Panel supports auto-shrink (previously only Find and Synchronize did).