Change default template in the block editor (Gutenberg)

I was looking for the same thing.
This Answer by SkyShab did the trick. Posted below for convenience.


wp.data.dispatch('core/editor').editPost( {template: "template-name.php"} )

Related Posts:

  1. Gutenberg & Pre-formatted Templates: Core Block Attributes
  2. Gutenberg Editor – Template Doesn’t Match Error
  3. How does wordpress blocks?
  4. How to replace WordPress sidebars (widget areas) with Gutenberg
  5. How do you override Post template when using Query Loop block?
  6. How to custom page template for the Gutenberg editor
  7. Use PHP templates as blocks
  8. Can I add a default Block to my custom theme?
  9. Is there a way to create a block template that is not limited to a post type?
  10. Can you use block patterns in block templates or insert them programmatically?
  11. How to limit block activity (insertion/deletion) to inside of a Block Template on the Admin Screen?
  12. templates page not showing on gutenberg editor
  13. How do I get the size of an attachment file?
  14. How to get slug of current category in taxonomy template?
  15. Using WordPress templating for HTML emails
  16. I put my blog on a subpage, how do I get page title?
  17. Outputting Canonical Resource URLs Across a Multisite Network?
  18. Restrict a search to a custom post type
  19. Test if page is child and has children, if so echo child pages also on grandchild pages
  20. How did you incorporate WooCommerce in your own WordPress theme?
  21. Correct process for a new Page Template?
  22. Templates & CSS – Proper Programming Practice?
  23. A shared custom taxonomy between two custom post types
  24. Creating a custom category page with pagination
  25. New Template — copy existing template and change code? [duplicate]
  26. Same template for all the terms of a taxonomy
  27. Modifying searchform.php and search.php to have two kinds of searches
  28. Create a WordPress template without navigation and footer
  29. Load template inside a parent template
  30. Template redirect is_tax() not working
  31. Hide Front-End Admin Bar Including 32 px Spacing
  32. Passing variables to template parts
  33. Show template loaded
  34. Child theme TEMPLATEPATH issue
  35. Change directory where get_header(), get_footer() and get_sidebar() look for templates
  36. How can I make my custom templates respect permissions?
  37. How to format shortcode’s HTML in external file
  38. Unable to include a template
  39. Turning on the 404 page on localhost
  40. Checking for page templates in child theme
  41. Is there an action hook that fires just before a template is loaded?
  42. post edit button on front end
  43. What’s the equivalent of front-page.php for a custom static page?
  44. Stylesheet comment header: Which header names are mandatory? [duplicate]
  45. How to add posts list to a page template?
  46. Valid HTML in Template Part
  47. Why do I get the same excerpt for all items in my RSS feed?
  48. What is this code trying to do? It was the cause of my 20s TTFB
  49. get_post_metadata() undefined when used in loop in RSS template
  50. the_excerpt producing empty output
  51. Problem when linking out to separate file within foreach loop
  52. Conditional tags or Multiple files
  53. Getting term description in single post template
  54. Cannot edit style.css from admin panel, because the template is looking for style.min.css
  55. Remove post templates from the selection box menu when creating a single post
  56. How to convert the WordPress meta box Page Attributes->Page Template dropdown to radio buttons?
  57. global variables in templates
  58. Real Time Page Template Preview in WP Admin [closed]
  59. Best practice to update the file header.php
  60. page-{slug}.php vs. template-{slug}.php
  61. Understanding the Template hierarchy
  62. wp_enqueue_style and different styles for blog template
  63. Can I have both front-page.php and index.php?
  64. get_header(), get_footer() from plugin template
  65. Problem creating a custom category page with pagination
  66. If Posted After Date
  67. how can I add a “read more” tag directly in the template?
  68. Update template without undoing all my edits?
  69. How to get and set the post tag value within WP Query from URL?
  70. Is it possible to access plugin data from a custom feed template?
  71. How can I get all archive-URLs to use the same template?
  72. How to use a template file to show all post having same metakey
  73. Automate configuration after new/hosted installation
  74. Modify just ONE page based on a template
  75. which template does wp_ tag_ cloud point to?
  76. Pagination problem (plugin wp-pagenavi) with a custom post type?
  77. Add an anchor link to a ‘plain’ HTML file, without over-writing the entire site?
  78. How to Modify WP_Includes/blocks/latest_posts.php
  79. Template part including not working
  80. Parent/Child themes – both CSS files loaded
  81. front-page.php includes a placeholder text field. How to get rid of it?
  82. Display a custom 404 page without a redirect
  83. Template and URL parameter problem
  84. get_users by role returns all users
  85. Validating Error with submit button
  86. How can I alter a post?
  87. What is the purpose of the $before and $after arguments on the the_title() function?
  88. Remove ” Browse Category : ” from Archive title
  89. When to use content-pagename.php?
  90. Using external file with WP_USE_THEMES set to false causing 404
  91. Current URL path variable
  92. How to install a wordpress website template on an existing website?
  93. Why is my no-results.php template moving my sidebar and footer into the main container?
  94. Given a page ID, how to display entire page (header/content/footer/sidebars) from a plugin hook
  95. Any way to insert text on page from a query results?
  96. Show page title just from the first child-page in template
  97. How to know which page/file WordPress is expecting?
  98. AJAX requests within templates
  99. Page.php vs Single.php
  100. Help interpreting @wordpress/create-block-tutorial-template usage error