Question about "Unsaved Metadata"
Greetings. I am relatively new to Lightroom CC and apologize in advance if this is a topic that has been covered before. Briefly, I recently turned on the display unsaved metadata option in the grid view display and was amazed to discover that thousands of images in my catalog (literally every image that I have developed, add keywords to, etc) are now marked with an icon that apparently notifies me that these photos contain unsaved metadata. When I click on the icon a dialog box appears that says, "The metadata for this photo has been changed in Lightroom. Save Changes to disk?" I would prefer at present to avoid generating thousands of .xmp files but am concerned that if I don't tell lightroom to save the changes to the disk I am at risk of losing all the edits I have made to these images. Currently, my catalog is set up so that Lightroom does not automatically save changes in metadata to and .xmp file. I was under the impression that all my changes were somehow automatically saved in the LR catalog. So, I guess I am asking: 1) What happens if I choose NOT to save the changes to the metadata and 2) what happens if I do make the changes. I am very confused and a bit concerned about this issue. I have spent scores of hours getting my catalog together and really, really don't want to screw it up. Any help would be greatly appreciated. Thanks in advance.
David