> ## 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.

# Fusion Server 4.2.6 Release Notes

[localhost link]: http://localhost:3000/docs/4/fusion-server/release-notes/4.2.6-release-notes

[mintlify link]: https://doc.lucidworks.com/docs/4/fusion-server/release-notes/4.2.6-release-notes

[old doc.lw link]: https://doc.lucidworks.com/fusion-server/4.2/93

**Release date:** 31 March 2020

**Component versions:**

|            |                  |             |                        |              |
| ---------- | ---------------- | ----------- | ---------------------- | ------------ |
| Solr 7.7.2 | ZooKeeper 3.4.13 | Spark 2.3.2 | Jetty 9.4.19.v20190610 | Ignite 2.6.0 |

**More information about support dates can be found at [Lucidworks Fusion Product Lifecycle](/docs/policies/lifecycle-policies/lw-fusion-product-lifecycle).**

## New features

* Support is added for individually selecting rules to publish in the Fusion UI:

  <img src="https://mintcdn.com/lucidworks/hRHvA40l_Bej4D7e/assets/images/5.1/release-notes/publish-indiv-rules.png?fit=max&auto=format&n=hRHvA40l_Bej4D7e&q=85&s=ba75e8167c2b3fc9f89da2a214d2ba8d" alt="Individually publish rules in the Fusion UI" width="883" height="369" data-path="assets/images/5.1/release-notes/publish-indiv-rules.png" />

## Improvements

* The GitHub connector no longer accepts username and password as authentication methods. Instead, GitHub oAuth token Authentication is used to perform GitHub requests. See the [GitHub oAuth authentication page](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line#creating-a-token) for more information.

* The Jira connector is updated to use the latest available authentication methods.

* The Google Drive connector allows debug logging to view HTTP traffic securely.

* The Blob Store gives a more informative error message when an uploaded file has invalid schema or fields.

* Various UI improvements.

## Bug fixes

* Reduced the likelihood of the [Active Directory Connector for ACLs](/docs/fusion-connectors/concepts/ad-acl) failing during crawls.

* Fixed a bug that lowered performance on large query plans.

* Fixed a bug with the Alfresco connector that caused old and new versions of a document to be indexed during a recrawl. Now, only the latest document is indexed.

* Fixed a bug with the Alfresco connector that caused a moved document to be indexed at the previous *and* current location. Now, only the document in the current location is indexed.

* Fixed a bug with the Alfresco connector that prevented the `acls_ss` field from updating unless **Force Recrawl** was selected.

* Fixed a bug with the FTP connector that sometimes prevented files with non-English filenames from being indexed.

* Fixed a bug with the [Scala script job](/docs/4/fusion-server/reference/jobs/script) that sometimes resulted in job failures when indentation was used.

* Fixed a bug with V2 connectors that sometimes resulted in jobs completing before all documents were indexed.

* Fixed a bug with V2 connectors that sometimes caused crawls to stall and fail due to an Out of Memory (OOM) error.