I don't understant why, Application loader was still there today, it was open. I closed it earlier today, and this evening I open Xcode, it installs component I don't know why and when I look in the menu no more Application Loader in the developper tools...
***???? Where Application loader is gone????????
Yes, gone from Xcode.
See https://developer.apple.com/app-store-connect/whats-new/?id=submissionsupdate9-20 9.20.19
Who knows...maybe they'll put it in the store, you know, kind of like bait to get you to go there.
Edit: And there it is, under a new name 'Transporter'...October 15, 2019 View on the Mac App Store