Attempting an update of Julio today resulted in the following error:
Downloading updates failed:
julio-7.x-1.x-dev-core.tar.gz does not contain any .info files.
Original installation was done on 22-sep-2012 from a file also named julio-7.x-1.x-dev-core.tar.gz (size=14906106, md5sum=7f312c7af002d23628a9bbbf8779bde8) and it is reported in /admin/reports/updates/update also as version 7.x-1.x-dev. Plus, I added a Bulgarian .po langpack during the installation...