New Block Tools on WordPress 5.5

In WordPress 5.5, the coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. blocks continue to evolve with the addition of new 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. tools.

Custom Line Heights

Users can define custom line heights for headings and paragraphs. Themes can opt-in into this feature by defining the custom-line-height theme support flag.

add_theme_support( 'custom-line-height' );

Custom Units

In addition to pixels, users can now use other units to define the height of Cover blocks. The available units are: px, em, rem, vh, vw. Themes can opt-in into this feature by defining the custom-units theme support flag.

add_theme_support( 'custom-units' );

Themes can also filterFilter Filters are one of the two types of Hooks They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output. the available custom units.

add_theme_support( 'custom-units', 'rem', 'em' );

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