Various Block Editor API removals in WordPress 5.8

Removed APIs

Keeping deprecated JavaScriptJavaScript JavaScript or JS is an object-oriented computer programming language commonly used to create interactive effects within web browsers. WordPress makes extensive use of JS for a better user experience. While PHP is executed on the server, JS executes within a user’s browser. https://www.javascript.com/. APIs around has a cost on performance and bundle size. This means at some point we need to consider removing some of the very old deprecated APIs, especially the ones with very low usage. WordPress 5.8 does remove two APIs that were deprecated on WordPress 5.2.

• EditorGlobalKeyboardShortcuts component, this was a component used to define some keyboard shortcuts of the blockBlock Block is the abstract term used to describe units of markup that, composed together, form the content or layout of a webpage using the WordPress editor. The idea combines concepts of what in the past may have achieved with shortcodes, custom HTML, and embed discovery into a single consistent API and user experience. editor, it was not really meant to be used by third-party developers. We verified that it’s not used by any pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party in the repository but if you rely on this component, it should be safe to just replace with VisualEditorGlobalKeyboardShortcuts.
• The hasUploadPermissions selector from the core store. We contacted all the three plugins in the repository that were still using this APIAPI An API or Application Programming Interface is a software intermediary that allows programs to interact with each other and share data in limited, clearly defined ways.. If you’re still relying on this selector on a private site/plugin, it can be safely replaced with select( 'core' ).canUser( 'create', 'media' )

Removed blocks

Before WordPress 5.0 and in the very early days of the GutenbergGutenberg The Gutenberg project is the new Editor Interface for WordPress. The editor improves the process and experience of creating new content, making writing rich content much simpler. It uses ‘blocks’ to add richness rather than shortcodes, custom HTML etc. https://wordpress.org/gutenberg/ plugin, we used to have a block called Subheading, this block has never been included in WordPress CoreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. as stable, it was hidden and deprecated very early. We expect its usage to be very small. WordPress 5.8 removes the code of this block meaning that if you open content relying on that block in the editor, it will ask you to fallback to the HTMLHTML HyperText Markup Language. The semantic scripting language primarily used for outputting content in web browsers. block instead. We don’t expect this to have a noticeable impact on the frontend of your site.

#5-8, #block-editor, #dev-notes