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Current state: "Under Discussion"
Discussion thread: here
Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
Further to KIP-629, the broker's delegation token functionality uses the term "master key". This KIP proses to replace it with the more neutral term, "secret key".
Affected configurations and command line arguments will be renamed. The old name will continue to be supported for backwards compatibility, but deprecated.
In addition to the public interface changes above, internal APIs and other occurrences in code (e.g. method, variable names, comments, and log messages) will be updated accordingly.
Compatibility, Deprecation, and Migration Plan
Existing configuration names will be deprecated but will continue to work for backwards compatibility.