DOC Add blurbs about several new features to 4.11 changelog

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GuySartorelli 2022-02-06 22:12:57 +13:00 committed by Guy Sartorelli
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- [Regression test and Security audit](#audit)
- [Dropping support for PHP 7.3](#phpeol)
- [Features and enhancements](#features-and-enhancements)
- [Preview any DataObject in any admin section](#cms-preview)
- [Other features](#other-features)
- [Bugfixes](#bugfixes)
- [Internal API changes](#internal-api-changes)
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## Features and enhancements {#features-and-enhancements}
### Preview any DataObject in any admin section {#cms-preview}
The CMS preview panel has historically been available for `Versioned` `DataObject`s in the Pages admin section. This has now been expanded to allow any `DataObject` (regardless of whether it uses the`Versioned` extension) to be previewed in any section of the CMS.
This can be used to allow content authors to see the content they are creating in the context it will be presented to users. Example use cases include previewing `DataObject`s which belong to a page (e.g. the [dnadesign/silverstripe-elemental module](https://github.com/silverstripe/silverstripe-elemental) allows previewing elemental blocks which are not inline-editable), and previewing `DataObject`s in a custom admin section, such as templates for emails or system-generated PDF documents.
The [Preview Documentation](https://docs.silverstripe.org/en/4/developer_guides/customising_the_admin_interface/preview/) has been updated with code examples which show how to enable CMS preview on `DataObject`s in a couple of different scenarios.
### Other new features {#other-features}
- A new [AbstractGridFieldComponent](https://api.silverstripe.org/4/SilverStripe/Forms/GridField/AbstractGridFieldComponent.html) class has been added to make it easier to globally add fundamental functionality to `GridFieldComponent`s. All classes packaged with the Silverstripe framework which implement the `GridFieldComponent` interface are subclasses of the new abstract class, making them all `Injectable`. Maintainers of third-party packages which include classes that implement `GridFieldComponent` are encouraged to subclass the `AbstractGridFieldComponent` abstract class.
- New options have been added to the [dnadesign/silverstripe-elemental module](https://github.com/silverstripe/silverstripe-elemental) to control what content is indexed for searching elemental blocks. see [the documentation](https://github.com/silverstripe/silverstripe-elemental/blob/4/docs/en/searching-blocks.md) for details.
## Bugfixes {#bugfixes}