Docs: Add new override info and add whats new 7.4 links (#30615)

* Update whats-new-in-v7-4.md

* Update add-query-editor-help.md

* Update whats-new-in-v7-4.md

* Update docs/sources/whatsnew/whats-new-in-v7-4.md

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>

* Update whats-new-in-v7-4.md

* added configure fields content

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>
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Diana Payton 2021-01-25 12:39:37 -08:00 committed by GitHub
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@ -20,9 +20,10 @@ You can override as many field options as you want to.
1. Click the **Overrides** tab.
1. Click **Add an override for**.
1. Select which fields an override rule will be applied to:
- **Fields with name -** Allows you to select a field from the list of all available fields. Properties you add to a rule with this selector are only applied to this single field.
- **Fields with name matching regex -** Allows you to specify fields to override with a regular expression. Properties you add to a rule with this selector are applied to all fields where the field name match the regex.
- **Fields with type -** Allows you to select fields by type, such as string, numeric, and so on. Properties you add to a rule with this selector are applied to all fields that match the selected type.
- **Fields with name -** Select a field from the list of all available fields. Properties you add to a rule with this selector are only applied to this single field.
- **Fields with name matching regex -** Specify fields to override with a regular expression. Properties you add to a rule with this selector are applied to all fields where the field name match the regex.
- **Fields with type -** Select fields by type, such as string, numeric, and so on. Properties you add to a rule with this selector are applied to all fields that match the selected type.
- **Fields returned by query -** Select all fields returned by a specific query, such as A, B, or C. Properties you add to a rule with this selector are applied to all fields returned by the selected query.
1. Click **Add override property**.
1. Select the field option that you want to apply.
- [Standard field options]({{< relref "standard-field-options.md" >}}), which apply to all panel visualizations that allow transformations.

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@ -56,6 +56,12 @@ This transformation is very useful if your data source does not natively filter
For more information, refer to [Filter data by value]({{< relref "../panels/transformations/types-options.md#filter-data-by-value" >}}) in [Transformation types and options]({{< relref "../panels/transformations/types-options.md" >}}).
### New override option
On the Overrides tab, you can now set properties for fields returned by a specific query.
For more information, refer to [Add a field override]({{< relref "../panels/field-options/configure-specific-fields.md#add-a-field-override" >}}).
### Exemplar support
Grafana graphs now support Prometheus [exemplars]({{< relref "../datasources/prometheus.md#exemplars" >}}). They are displayed as diamonds in the graph visualization.
@ -97,6 +103,8 @@ CSP support is disabled by default, to enable it you must set `content_security_
You can lock down what can be done in the frontend code. Lock down what can be loaded, what JavaScript is executed. Not compatible with some plugins.
[content_security_policy]({{< relref "../administration/configuration.md#content_security_policy" >}}) and [content_security_policy_template]({{< relref "../administration/configuration.md#content_security_policy_template" >}}) were added to [Configuration]({{< relref "../administration/configuration.md" >}}) as a result of this change.
### Elasticsearch data source updates
Grafana 7.4 includes the following enhancements