> ## Documentation Index
> Fetch the complete documentation index at: https://doc.lucidworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Solr Reference Guide

export const LwTemplate = ({title = "Key questions to get you started", icon = "sparkles", cta = "Powered by Agent Studio", linkHref = "https://lucidworks.com/demo/?utm_source=docs&utm_medium=referral&utm_campaign=docs_cta_ai"}) => {
  const [isLoaded, setIsLoaded] = useState(false);
  useEffect(() => {
    const timer = setTimeout(() => {
      setIsLoaded(true);
    }, 500);
    return () => clearTimeout(timer);
  }, []);
  return <div className="lw-template-container">
      <Card title={title} icon={icon}>
        {isLoaded && <span dangerouslySetInnerHTML={{
    __html: `<lw-template id="a029c1a9-28be-427e-b0e1-5d918920246a"></lw-template
            >`
  }} />}
        <Link href={linkHref} className="agent-studio-link text-left text-gray-600 gap-2 dark:text-gray-400 text-sm font-medium flex flex-row items-center hover:text-primary dark:hover:text-primary-light group-hover:text-primary group-hover:dark:text-primary-light">Powered by Lucidworks Agent Studio</Link>
      </Card>
    </div>;
};

[localhost link]: http://localhost:3000/docs/5/fusion/reference/solr-reference-guide

[mintlify link]: https://doc.lucidworks.com/docs/5/fusion/reference/solr-reference-guide

[old doc.lw link]: https://doc.lucidworks.com/fusion/5.9/10902

See [Solr Reference Guide](https://solr.apache.org/guide/) for all Solr guides.

<LwTemplate />

| Fusion release  | Solr version                                                                     |
| --------------- | -------------------------------------------------------------------------------- |
| 5.8.0 to latest | fusion-solr 5.8.0 (based on [Solr 9.1.1](https://solr.apache.org/guide/9_1/))    |
| 5.7.0 to 5.7.1  | fusion-solr 8.11.1 (based on [Solr 8.11.1](https://solr.apache.org/guide/8_11/)) |
| 5.5.0 to 5.6.1  | [8.11.1](https://solr.apache.org/guide/8_11/)                                    |
| 5.4.0 to 5.4.5  | [8.8.2](https://solr.apache.org/guide/8_8/)                                      |
| 5.3.0 to 5.3.5  | [8.6.3](https://solr.apache.org/guide/8_6/)                                      |
| 5.1.0 to 5.2.2  | [8.4.1](https://solr.apache.org/guide/8_4/)                                      |
| 5.0.2           | [8.3.1](https://solr.apache.org/guide/8_3/)                                      |
| 5.0.0 to 5.0.1  | [8.2.0](https://solr.apache.org/guide/8_2/)                                      |