Make binary delta version 4 the default #2668
Merged
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Make binary delta version 4 the default in tools.
Misc Checklist
Testing
I tested and verified my change by using one or multiple of these methods:
Tested generate_appcast creates version 3 delta patch when old app version is 2.6.4, and can be applied with BinaryDelta (both new and old one from 2.6.4 distribution).
Tested generate_appcast creates version 4 delta patch when old app version is 2.7, and can be applied with BinaryDelta.
macOS version tested: 15.1 (24B83)