I released a new version 6 days ago. I see some crashes in iTunesConnect analytics, but none in the crashes organizer, nor does my release even appear in the \"version\" dro
This worked for me when none of the above answers did.
Find the Info.json file as described above in mkirk's answer. Make a copy as a backup. In the productVersions section remove any unneeded versions. As you can see below, "productVersions" is a json array, and it will contain a series of json objects, each of which represents one of your versions. I desperately needed crash reports for a recent release to the app store and after deleting all versions preceding that (below it) and restarting Xcode, voila! the Organizer suddenly began showing all my crash reports.
"productVersions" : [
{
"version" : "4.0.45",
"productType" : 1,
...