Duplicate Finder suggestion

This may sound a bit odd but I would find a non-duplicate finder useful ! For example to compare between 2 big backups to locate the differences not the duplicates. I don't think there would need to be a delete facility.

There are specialized tools (such as treecomp) that do this, I think this is well past what ccleaner is for. However the developers do read suggestions and often implement them in the program.

59 minutes ago, Nergal said:
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		However the developers do read suggestions and often implement them in the program.
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We are always looking for new features to add. All of the suggestions from the forum are read and considered and most of them end up on the developer's to-do list. Depending on the level of demand and the level of complexity some things may be implemented quickly, and others may find themselves "queue-jumped" for a while.

Comparing backups may potentially fit within CCleaner's function set if the purpose was saving space - removing unchanged files from subsequent backups to create a differential set. @Herault_lad were you thinking of this for the CCleaner Cloud business product or the CCleaner home desktop product (or both)?