How to allow to add gradients to core/heading block?

No, currently gradient support in the heading block has not been implemented.

You can declare that it supports it in theme.json or via supports, but there is nothing in the block to read that data in and use it. Gradient support has to be built into a block, it can’t be inserted arbitrarily.

The closest you can get is with predefined variants or styles, a custom block, or wrapper the heading in a group/cover block. Composition not modification.

Related Posts:

  1. Add pre-publish conditions to the block editor
  2. How does Gutenberg handle translations in React?
  3. How can I access core/paragraph textColor in a block template
  4. Saving post meta using the new EntityProvider APIs
  5. gutenberg dynamic block is returning 404
  6. Gutenberg InspectorControls is deprecated, how to add custom block settings?
  7. How should you internationalize javascript spread in multiple files but build in one?
  8. Why is onChange={ ( content ) => setAttributes( { content } )} now used?
  9. How to set column widths in a CPT block template?
  10. Access GutenBerg data with Javascript?
  11. Only show focused toolbar for Gutenberg Block with Multiple text fields
  12. Gutenberg: How to Change Post Status Programmatically?
  13. Adding a custom PanelColorSettings control to a core block, and using the color slug in a custom className
  14. Is it possible to create column width presets in Gutenberg?
  15. How to define a Block Style in an Innerblocks template
  16. Option for removing block not appearing in custom gutenberg block
  17. Testing custom themes / plugins under Gutenberg
  18. Gutenberg LinkControl suggestionsQuery not working
  19. Gutenberg – How to prevent block from being deleted and reordered/moved
  20. WordPress Gutenberg Columns block
  21. Gutenberg InnerBlocks predefined block supports
  22. Is it possible to bulk migrate all deprecated instances of a gutenberg block?
  23. How to Add a Container Class to Standard Gutenberg Blocks
  24. How to display InnerBlocks in render callback
  25. How to check if post has Video or Gallery block in Gutenberg blocks?
  26. Gutenberg – button to parse and format all blocks?
  27. Gutenberg Button Border Radius Default
  28. Disable title block on edit screen for a custom post type
  29. Gutenberg: Block validation fails if editor is reloaded or post is edited. data.getBlocks(); is empty in save function
  30. Delete a Gutenberg Block Programmatically?
  31. Can Gutenberg be used as an editor on a page?
  32. Import external data into post using custom Gutenberg block
  33. How do a I add an attribute to element (when using block theme)?
  34. Is it possible to access the wp-admin from one instance while keeping WP_HOME pointing to the balancing url?
  35. How to Add predefined CSS Classes to a Block using Gutenberg
  36. Updating a block’s edit / save without reinventing the wheel
  37. Gutenberg block missing classes inside editor
  38. Custom dynamic Gutenberg block not rendering
  39. How do I addFilter to core/paragraph to add an attribute and see the change in the editor?
  40. How to register a embed handler as a fallback to a oEmbed handler?
  41. Performance of Gutenberg block attributes with source selectors vs without
  42. What version of React does Gutenberg use?
  43. Block background color not appearing on site
  44. For developers, what impact can we expect Gutenberg to have on the loop?
  45. Why is an argument of onChange nested in … in Gutenberg custom block RichText?
  46. Gutenberg: Heading with subheading/paragraph
  47. BlockControls not showing floating (show up in the top toolbar)
  48. Change label text in Gutenberg’s built in excerpt panel
  49. Style Gutenberg Editor based on Post Type or Page Template
  50. Gutenberg: How filter blocks of a certain type with parse_blocks recursively?
  51. Gutenberg add checkbox using PluginPostStatusInfo
  52. How to view all currently registered block patterns?
  53. How do I activate a certain block template only when editing the front page?
  54. LinkControl – how to toggle opensInNewTab
  55. Block editor — how to remove default classes
  56. Code block treats characters not being escaped
  57. Strange effect when I scroll in the editor
  58. Creating a custom slider block from InnerBlocks using React Slick
  59. Alter core block’s DOM – in both output AND editor
  60. ServerSideRender not rendering in block editor, but output is in “apiFetch”
  61. Can you disable typography panels for just the paragraph block?
  62. I cant find the custom html block
  63. Gutenberg allow use of block, but hide it from the block picker
  64. I am working with gutenberg blocks, specially a slider block. I wish to show the excerpt content from a custom api to the backend as well as frontend
  65. WordPress Gutemberg RichText FormatType no wrap with tagName
  66. Keyboard shortcut to format text as superscript or subscript
  67. How to add custom HTML tags in the visual mode via keyboard only?
  68. Add page title after first block
  69. Save JSON data with Gutenberg and show it in the content
  70. Adding a size to core/image in an innerblocks breaks the save
  71. How can I programmatically disable Gutenberg query block patterns?
  72. Is it possible to use the WordPress block directory to make my own custom blocks
  73. how to copy shortcode into a block?
  74. Gutenberg blocks – template_lock with several post type
  75. Gutenberg – reusable blocks that I can edit? Am I being slow?
  76. Block editor: Sandbox iframe shows outdated HTML
  77. Gutenberg Development vs Release version?
  78. Gutenberg Array push
  79. Gutenberg: Why doesn’t the button core-component render on the frontend
  80. Using styled-components in the save() function on gutenberg
  81. block theme FSE – save changes to the theme?
  82. How can I avoid setTimeout and redundant getEntityRecord calls in a block editor sidebar?
  83. Can this react script be optimized? How to make it faster
  84. How to register multiple blocks
  85. How to edit post meta by post ID in Gutenberg
  86. How do I change bullet on categories block?
  87. Add a class to img of core/cover block
  88. Hide title block on edit screen in Gutenberg
  89. How can I disable fontSizes of the Paragraph block inside the Quote block with theme.json?
  90. Categories, tags and thumbnails panels are not visible in the Block editor’s post menu
  91. How to translate multiple blocks within one plugin
  92. How to disable the Code Editor in Gutenberg?
  93. Enable Gutenberg Editor when editing tags
  94. How to position more than one item over an image in a Gutenberg WordPress block theme
  95. Some CSS classes missing when rendering the page with get_the_content()
  96. Error with RichText Component
  97. Rem font size is different in the frontend and block editor
  98. Add to Media Inserter Categories
  99. Get attributes from last block created
  100. How do I make the block editor use https by default?