I have an app I developed for internal company use outside of xcode (python/pyinstaller based application). The app is a normal double-clickable application with the usual internal structure, as far as I can tell. In order to ease deployment, I figured I'd go ahead and code sign it using my Developer ID, which I did with the following command:codesign --deep -f -s "Developer ID Application" SO2\ Explorer.appWhich ran without complaint. I can then check that it was applied using the command:codesign -dv --strict --verbose=4 SO2\ Explorer.appwhich gives the following output:Executable=/Users/israel/Desktop/SO2 Explorer.app/Contents/MacOS/SO2 Explorer Identifier=edu.alaska.avo.so2explorer Format=app bundle with Mach-O thin (x86_64) CodeDirectory v=20200 size=26842 flags=0x0(none) hashes=833+3 location=embedded VersionPlatform=1 VersionMin=657152 VersionSDK=658176 Hash type=sha256 size=32 CandidateCDHash sha1=d0fd8ca348696e3e8ed218658a4a19de0f0fa346 CandidateCDHash sha256=c45d6c5c00a7dd457a55c37828f3b3953049f8dd Hash choices=sha1,sha256 Page size=4096 CDHash=c45d6c5c00a7dd457a55c37828f3b3953049f8dd Signature size=9012 Authority=Developer ID Application: Israel Brewster (59ED27HUEF) Authority=Developer ID Certification Authority Authority=Apple Root CA Timestamp=Mar 21, 2019 at 2:19:59 PM Info.plist entries=10 TeamIdentifier=59ED27HUEF Sealed Resources version=2 rules=13 files=1222 Internal requirements count=1 size=188which all looks good to me. However, if I check it using the spctl tool:spctl --assess -v --raw SO2\ Explorer.appthe application is rejected:SO2 Explorer.app: rejected (the main executable or Info.plist must be a regular file (no symlinks, etc.)) <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>assessment:authority</key> <dict> <key>assessment:authority:flags</key> <integer>0</integer> <key>assessment:authority:source</key> <string>obsolete resource envelope</string> <key>assessment:authority:weak</key> <true/> </dict> <key>assessment:cserror</key> <integer>-67015</integer> <key>assessment:remote</key> <true/> <key>assessment:verdict</key> <false/> </dict> </plist>And, in fact, if I try to run the app on a machine with gatekeeper enabled, you do get the "can not open this app due to unidentified developer" warning.What's the problem here, and how do I fix it? The first line of output would seem to indicate that it thinks that either the main executable or Info.plist file is not a regular file, but that is not the case - both are regular files:israel$ ls -l SO2\ Explorer.app/Contents/Info.plist -rw------- 1 israel staff 436 Mar 21 14:07 SO2 Explorer.app/Contents/Info.plist israel$ file SO2\ Explorer.app/Contents/Info.plist SO2 Explorer.app/Contents/Info.plist: Apple binary property list israel$ ls -l SO2\ Explorer.app/Contents/MacOS/SO2\ Explorer -rwxr-xr-x 1 israel staff 3471792 Mar 21 14:19 SO2 Explorer.app/Contents/MacOS/SO2 Explorer israel$ file SO2\ Explorer.app/Contents/MacOS/SO2\ Explorer SO2 Explorer.app/Contents/MacOS/SO2 Explorer: Mach-O 64-bit executable x86_64I'm also noting the entry about "obsolete resource envelope", though I don't know if that means anything.Any thoughts? Thanks!