Released source (read-only):
OlderVersions/MailboxGUI/MailboxGUI-5.0.0/MailboxGUI-5.0.0/mailboxgui-plugin/src/main/resources/language

The release has 14 locales and language file-version 11. It has no pt_br or
zh_hk locale and no separate Premium module. Do not synthesize those baselines.

Shared snapshots retain exact released values for paths present in either the
current Free defaults or the edition-isolated 6.0.0 shared snapshots. Each file
records the SHA-256 of its released source. Premium-only and retired paths are
excluded from shared resources. Complete original language documents are kept
under mailboxgui-premium/src/main/resources/premium/language/legacy/5.0.0;
only Premium's historical resource bridge selects those documents.

These resources are stock recognition references, not defaults to install.
Upgrades add only the active edition's bundled defaults. Custom values, empty
strings, extension keys, HEX colors and owner comments remain owner-controlled.
No pre-5 baseline has been replaced or modified.

Coverage: Released500LanguageSafetyTest and YamlFutureVersionSafetyTest.
