Add content to the welcome panel on the admin dashboard.

Filters whether the given date is valid for the Gregorian calendar.

Filters the default image compression quality setting.

Fires at the conclusion of wp_enqueue_media().

Filters the returned array of update data for plugins, themes, and WordPress core.

Filters the WP_Image_Editor instance before applying changes to the image.

Filters the list of image editing library classes.

Filters the HTML tags that are allowed for a given context.

Filters the attachment data prepared for JavaScript.

Filters whether to skip saving the image file.