I can't get the newest version of Calibre (Version: 2.15.0) to open under OSX 10.7.5 (Lion). Is Lion no longer supported?
See https://bugs.launchpad.net/calibre/+bug/1407102
duplicate 1407102
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See https:/ /bugs.launchpad .net/calibre/ +bug/1407102
duplicate 1407102