I figured it out. I was missing distribution certificates. I don't know why the error didn't state that instead of leading me astray with the missing sandbox key message.
david_tejada
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Could I get some help with this?
I'm stuck with this and I can't publish my extension update.
Why on earth does it keep saying that I don't have the app-sandbox entitlement when everywhere I check its set to true. If I select custom when validating I can see in the "Review app.pkg content" screen in both the app and the extension it clearly appears in the entitlements section that com.apple.security.app-sandbox is set to true.
Both. The previous codesign output was for the containing app and this is for the extension:
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "https://www.apple.com/DTDs/PropertyList-1.0.dtd"><plist version="1.0"><dict><key>com.apple.security.app-sandbox</key><true/><key>com.apple.security.files.user-selected.read-only</key><true/><key>com.apple.security.get-task-allow</key><true/></dict></plist>
It looks like it expects the number to be pressed from the numpad. This has to be a bug since this behavior has changed and there's also no way to press those keys in most macs.
After some more testing, it looks like the only shortcuts that broke are those that involve MacCtrl-Shift-{number}.