1.
“Delete Duplicate Lines” command (NOT the “Advanced” one) now only works on adjacent lines.
If this is not a bug, please consider adding an option for this.
2.
“Delete Duplicate Lines (Advanced)” command:
When its dialog opens, “In the Selection Only” option should be turned on if there is a multiple-line selection, just like “Replace” dialog does.
“Delete Duplicate Lines (Advanced)” command now is “Delete/Bookmark Duplicate Lines (Advanced)”. The help docs should be revised again.