docs: Add release notes for 2.18.0 (#6687)

Co-authored-by: robot-ci-heartex <[email protected]>
Co-authored-by: caitlinwheeless <[email protected]>

docs/source/guide/release_notes/onprem/2.18.0.md

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+## Label Studio Enterprise 2.18.0
+
+<div class="onprem-highlight">Link comments to fields, export information from the Annotator Performance dashboard </div>
+
+*Nov 19, 2024*
+
+Helm Chart version: 1.7.1
+
+### New features
+
+#### Link comments to fields
+
+You can now link comments to specific regions or fields within an annotation.
+
+This change will help improve clarity between Annotators and Reviewers, enhancing the quality review process.
+
+For more information, see [Comments and notifications](https://docs.humansignal.com/guide/comments_notifications).
+
+![Screenshot of comment linking](/images/releases/2-18-comments1.png)
+
+![Screenshot of comment linking](/images/releases/2-18-comments2.png)
+
+#### Export information from the Annotator Performance dashboard
+
+There is a new **Export** action available from the [Annotator Performance dashboard.](https://docs.humansignal.com/guide/dashboard_annotator)
+
+- **Report** - Download the information in the dashboard as CSV or JSON.
+- **Timeline** - Download a detailed timeline of all the user's annotation actions within the timeframe, including when the began and submitted each annotation.
+- **Comments Received** - Download a CSV file with all of the comments that other users have left on the user's annotations.
+
+![Screenshot of export action](/images/releases/2-18-export.png)
+
+### Enhancements
+
+#### Performance score added to the Annotator Performance dashboard
+
+A **Performance Score** metric has been added to the Annotator Performance dashboard metrics. This reflects the overall performance of annotators in terms of review actions (**Accept**, **Reject**, **Fix+Accept**). For more information, see [Performance summaries](https://docs.humansignal.com/guide/dashboard_annotator#Performance-summaries). 
+
+![Screenshot of Performance Score metric](/images/releases/2-18-score.png)
+
+#### Edit regions when classifying video frames
+
+We recently introduced the ability to perform [video frame classification](https://docs.humansignal.com/templates/video_frame_classification) with the `<TimelineLabels>` tag.
+
+You now have the ability to edit the frame spans you select in the timeline editor, making it easier to control which frames you want to label.
+
+![Screenshot of edit action](/images/releases/2-18-edit.png)
+
+#### Improved usability on project settings pages
+
+There are a number of [project settings](https://docs.humansignal.com/guide/project_settings_lse) that are only applicable when auto distribution is enabled for users.
+
+To prevent confusion, settings that are not applicable will be hidden when manual distribution is enabled.
+
+This means the following settings will be hidden when **Annotation > Distribute Labeling Tasks** is set to **Manual**:
+
+- **Annotation > Task Sampling**
+- **Quality > Overlap of Annotations**
+- **Quality > Low Agreement Strategy**
+
+#### Hotkey to show/hide all regions
+
+A new hotkey (**Ctrl + h**) has been added. Use this shortcut to hide all regions. Or, if no regions are visible, show all regions.
+
+### Bug fixes
+
+- Fixed an issue where users were shown a 500 error when attempting to create a project without first selecting a workspace.
+
+- Fixed an issue where in certain scenarios users were unable to receive a password reset email.
+
+- Fixed an issue where non-unicode symbols would cause the Activity Log page to not load.
+
+- Fixed an issue where, despite the project settings, reviewers were not required to leave a comment on reject if they were using Quick View.
+
+- Fixed an issue where links were not resolving when using multiple S3 storages.
+
+- Fixed an issue where users were unable to use multiple source storages.
+
+- Fixed a small UI issue seen when displaying drop-down menus with multiple nested selection options.
+
+- Fixed an issue where deleting reviews did not clear cancelled values from the Data Manager.
+
+- Fixed an issue where the **Allow reviewer to choose: Requeue or Remove** setting could cause the Label All Tasks action to be enabled for annotators when there were no tasks to label.
+
+- Fixed an issue where instructions were not visible to reviewers in the Review Stream.
+
+- Fixed an issue in which SMTP configuration was not working correctly despite passing initial tests.
+
+- Fixed an issue where deleted annotator users were not available as option when building filters in the Data Manager.
+
+- Fixed an issue that could produce duplicate accounts when synced from SCIM.
+
+- Fixed an issue where the application would crash when annotators who have also had a project role of Reviewer would navigate to the Data Manager.
+
+- Fixed an issue where users were getting errors if using Redis passwords that included special characters.
+