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JEP 223 may affect code that relies on the old version string scheme to distinguish major, minor, and security-update releases.

Unified GC Logging

JEP 271 may change the GC log message format, without necessarily reproducing all log entries in the new logging format or ensuring that current GC log parsers work without change on the new GC logs.

Unified JVM Logging

JEP 158 may change log message formats and possibly the meaning of some JVM options.

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