Blueprint uasset changing size on disk, on a whim?

Development Programming & Scripting Blueprint
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Hello everyone!

Anyone understand why a Blueprint Uasset size changes each time it is saved? I don’t mean by just a few bytes when it’s saved to disk. I mean by megabytes, in general I see it anywhere from 1MB to 5MB.

I am just curious as to when it changes, when the Blueprint itself, has not changed at all, just click the save button, then click it again, ad infinitum.

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2

Just to further clarify.

The blueprint has the Actor class as it’s parent. The blueprint, uses no interfaces, etc. It’s as generic as generic can get. All I have been doing is clicking the Save button in the Blueprint editor, with absolutely no changes to the blueprint, and the size of the Uasset on disk, keeps changing.