https://github.com/qos-ch/slf4j/blob/v_1.8.0-alpha2/slf4j-api/src/main/java/org/slf4j/event/EventRecodingLogger.java#L98-L100

public void debug(String msg) {
    recordEvent(Level.TRACE, msg, null, null);
}

Expected result: debug method logs at debug.

Actual result: debug method logs at trace.

Seems like a copy-paste bug.