By default we should stop WordPress generating any of the image sizes on upload about wpthumb HOT 7 CLOSED

Agree, though we need to make sure the UI is still around for this (insert Thumbnail etc)

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WordPress doesn't remove the UI even if you do de-register the default sizes.

We would still want to leave the Media settings and size options on insert.

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Thumbnail will be the issue here. It's used in the back-end a lot of times. If there isn't a thumbnail the only thing that will be removed is the view when you are going to change the image through WordPress. Also no clue how WPThumb works when you edit an image through the back-end

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@markoheijnen when editing an image, the attached_file of the attachment changes to the new file file path I believe and WP Thumb hooks in after that is retrieving so it's "seemless" unless I am misunderstanding something.

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Not sure. Didn't test it yet but when you edit an image in WordPress only thumb/medium/large will get changed and not the original. If you are using that it will fail.

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Ahh I thought it created a copy of the original (at that size). Presumably this means if you edit a 3000x2000 image, you can not get a "full size" edited image?

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Ah you are right. Interesting why I never saw it.
Curious why WordPress then not removes the resized images from the original. And when restoring it back removed the edited images. Need to play with that

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