In article , JJ
wrote:

This is designed to be simple, quick cropping and
resizing, while retaining the best possible image
quality when desired. (Crop a JPG and you'll
lose some quality,

not when it's a lossless or non-destructive crop.

That's true for lossless. But the cropping itself is always destructive.

no it isn't.

everything lightroom is non-destructive, including cropping. you can
un-crop and/or re-crop at a later time.

in photoshop, uncheck delete cropped pixels:
https://pe-images.s3.amazonaws.com/p...and-straighten
/non-destructive-crop/photoshop-delete-cropped-pixels-uncheck.png

but you can minimize the
loss, or avoid it by saving as BMP.)

and drastically increase its size.

IMO, BMP should only be used when a software doesn't support a better image
format. How it stores 24bpp image pixels is unacceptably wasteful.

bmp is obsolete.