P: Sync from previous photo crops the image

See my post above. I cannot tell what is going on in the video. I need step by step instructions. 

@Rikk

Hi there, not sure what happened to my post but I did upload a screengrab from the LR: https://youtu.be/a7Lj_JE9lMs

the 0:19-0:29 are syncing without crop checkbox ticked and then next attempt is with the crop ticked.

At the end, there's an untouched pair of photos that shows the issue.

Can somebody write me out a step by step method to reliably reproduce the problem so that I can test it? My first attempt did not reproduce the issue. 

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This thread is being merged into an existing authoritative thread for better tracking and response. Please review the official answer (if any) in the second post on the thread for more information. 

Thank you Victoria!  YES.  I tested it both with adjustments including cropping and adjustments without cropping and all the images you are syncing the source to are one or two pixels smaller than the source.  Most people won't notice this but it does change the aspect ratio and it causes programs like Zerene Stacker to choke on it.  And this has just started happening since the latest Lr update.  So it's looking like a bug.  Luckily, it's easy to work around once you know what is going on.  Thanks for your help finding that other new poster.

I am seeing the same thing!!!!!!!!!!!!!   It shouldn't be doing this.  Another unintended consequence is when you take a series of images into a focus stacking program like Zerene Stacker the program will not stack the series because the first image is a different size (just one or two pixels) than the rest of the images in the series.  It looks like a bug to me.

I wonder if this is the same https://feedback.photoshop.com/conversations/lightroom-classic/lightroom-classic-v102-sync-from-previous-photo-crops-the-image/6058baf648c04b49e7692f95 

good luck, I hope you figure it out

Yes, that was the first thing I checked.  I'll have to look deeper. Thanks for your thoughts!!!!!!!!!!!!

I just cropped one image and synced to a bunch of images and all ended up with same dimensions.  Are you 100% sure Crop is selected in the sync dialog box?