### Website or app

https://github.com/reactjs/reactjs.org/pull/4981

### Repro steps

1. Wrap something into `<Fragment key="stuff">`
2. It doesn't show up in DevTools

We filter out fragments because they tend to be useless. But this one is important! Keys are crucial and we should show anything with a key in the tree.

### How often does this bug happen?

Every time

### DevTools package (automated)

_No response_

### DevTools version (automated)

_No response_

### Error message (automated)

_No response_

### Error call stack (automated)

_No response_

### Error component stack (automated)

_No response_

### GitHub query string (automated)

_No response_
}
    }
    const message = format(...args);
    if (__DEBUG__) {
      debug('onErrorOrWarning', fiber, null, `${type}: "${message}"`);
    }
    
    fibersWithChangedErrorOrWarningCounts.add(fiber);
    
    const fiberMap =
      type === 'error' ? pendingFiberToErrorsMap : pendingFiberToWarningsMap;
    const messageMap = fiberMap.get(fiber);
    if (messageMap != null) {
      const count = messageMap.get(message) || 0;
      messageMap.set(message, count + 1);
    } else {
      fiberMap.set(fiber, new Map([[message, 1]]));
    }
    
    
    
    
    
    
    flushPendingErrorsAndWarningsAfterDelay();
  }