diff --git a/bin/api-docs/gen-block-lib-list.js b/bin/api-docs/gen-block-lib-list.js
index 60b0a99b096ab8..90b6b808941896 100644
--- a/bin/api-docs/gen-block-lib-list.js
+++ b/bin/api-docs/gen-block-lib-list.js
@@ -155,14 +155,20 @@ function readBlockJSON( filename ) {
 			? processObjWithInnerKeys( augmentSupports( blockjson.supports ) )
 			: [];
 	const attributes = getTruthyKeys( blockjson.attributes );
+	const parent = blockjson.parent
+		? '\n' + `-	**Parent:** ${ blockjson.parent.join( ', ' ) }`
+		: '';
+	const experimental = blockjson.__experimental
+		? '\n' + `-	**Experimental:** ${ blockjson.__experimental }`
+		: '';
 
 	return `
 ## ${ blockjson.title }
 
 ${ blockjson.description } ([Source](${ sourcefile }))
 
--	**Name:** ${ blockjson.name }
--	**Category:** ${ blockjson.category }
+-	**Name:** ${ blockjson.name }${ experimental }
+-	**Category:** ${ blockjson.category }${ parent }
 -	**Supports:** ${ supportsList.sort().join( ', ' ) }
 -	**Attributes:** ${ attributes.sort().join( ', ' ) }
 `;
diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index 423676e2afe320..c3099d0b898465 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -1,10 +1,11 @@
 # Core Blocks Reference
 
-This page lists the core blocks included in the block-library package.
+This page lists the blocks included in the block-library package.
+
+-	Items marked with a strikeout (~~strikeout~~) are explicitly disabled.
+-	Blocks marked with **Experimental:** true are only available when Gutenberg is active.
+-	Blocks marked with **Experimental:** fse are only available in the Site Editor.
 
-<div class="callout callout-info">
-Items marked with a strikeout (~~strikeout~~) are explicitly disabled.
-</div>
 
 <!-- START TOKEN Autogenerated - DO NOT EDIT -->
 
@@ -50,6 +51,7 @@ Prompt visitors to take action with a button-style link. ([Source](https://githu
 
 -	**Name:** core/button
 -	**Category:** design
+-	**Parent:** core/buttons
 -	**Supports:** anchor, color (background, gradients, text), shadow, spacing (padding), typography (fontSize, lineHeight), ~~alignWide~~, ~~align~~, ~~reusable~~
 -	**Attributes:** backgroundColor, gradient, linkTarget, placeholder, rel, text, textAlign, textColor, title, url, width
 
@@ -95,6 +97,7 @@ A single column within a columns block. ([Source](https://github.com/WordPress/g
 
 -	**Name:** core/column
 -	**Category:** design
+-	**Parent:** core/columns
 -	**Supports:** anchor, color (background, gradients, link, text), spacing (blockGap, padding), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** allowedBlocks, templateLock, verticalAlignment, width
 
@@ -112,6 +115,7 @@ Display content in multiple columns, with blocks added to each column. ([Source]
 This block is deprecated. Please use the Avatar block instead. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/comment-author-avatar))
 
 -	**Name:** core/comment-author-avatar
+-	**Experimental:** fse
 -	**Category:** theme
 -	**Supports:** anchor, color (background, ~~text~~), spacing (margin, padding), ~~html~~, ~~inserter~~
 -	**Attributes:** height, width
@@ -167,6 +171,7 @@ Contains the block elements used to display a comment, like the title, date, aut
 
 -	**Name:** core/comment-template
 -	**Category:** design
+-	**Parent:** core/comments
 -	**Supports:** align, anchor, spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** 
 
@@ -185,6 +190,7 @@ Displays a paginated navigation to next/previous set of comments, when applicabl
 
 -	**Name:** core/comments-pagination
 -	**Category:** theme
+-	**Parent:** core/comments
 -	**Supports:** align, anchor, color (background, gradients, link, text), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** paginationArrow
 
@@ -194,6 +200,7 @@ Displays the next comment's page link. ([Source](https://github.com/WordPress/gu
 
 -	**Name:** core/comments-pagination-next
 -	**Category:** theme
+-	**Parent:** core/comments-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** label
 
@@ -203,6 +210,7 @@ Displays a list of page numbers for comments pagination. ([Source](https://githu
 
 -	**Name:** core/comments-pagination-numbers
 -	**Category:** theme
+-	**Parent:** core/comments-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** 
 
@@ -212,6 +220,7 @@ Displays the previous comment's page link. ([Source](https://github.com/WordPres
 
 -	**Name:** core/comments-pagination-previous
 -	**Category:** theme
+-	**Parent:** core/comments-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** label
 
@@ -238,6 +247,7 @@ Add an image or video with a text overlay. ([Source](https://github.com/WordPres
 Hide and show additional content. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/details))
 
 -	**Name:** core/details
+-	**Experimental:** true
 -	**Category:** text
 -	**Supports:** align (full, wide), color (background, gradients, link, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** showContent, summary
@@ -302,6 +312,7 @@ Create a link that always points to the homepage of the site. Usually not necess
 
 -	**Name:** core/home-link
 -	**Category:** design
+-	**Parent:** core/navigation
 -	**Supports:** anchor, typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** label
 
@@ -356,6 +367,7 @@ Create a list item. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/
 
 -	**Name:** core/list-item
 -	**Category:** text
+-	**Parent:** core/list
 -	**Supports:** typography (fontSize, lineHeight), ~~className~~
 -	**Attributes:** content, placeholder
 
@@ -410,6 +422,7 @@ Add a page, link, or another item to your navigation. ([Source](https://github.c
 
 -	**Name:** core/navigation-link
 -	**Category:** design
+-	**Parent:** core/navigation
 -	**Supports:** typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** description, id, isTopLevelLink, kind, label, opensInNewTab, rel, title, type, url
 
@@ -419,6 +432,7 @@ Add a submenu to your navigation. ([Source](https://github.com/WordPress/gutenbe
 
 -	**Name:** core/navigation-submenu
 -	**Category:** design
+-	**Parent:** core/navigation
 -	**Supports:** ~~html~~, ~~reusable~~
 -	**Attributes:** description, id, isTopLevelItem, kind, label, opensInNewTab, rel, title, type, url
 
@@ -428,6 +442,7 @@ Separate your content into a multi-page experience. ([Source](https://github.com
 
 -	**Name:** core/nextpage
 -	**Category:** design
+-	**Parent:** core/post-content
 -	**Supports:** ~~className~~, ~~customClassName~~, ~~html~~
 -	**Attributes:** 
 
@@ -446,6 +461,7 @@ Displays a page inside a list of all pages. ([Source](https://github.com/WordPre
 
 -	**Name:** core/page-list-item
 -	**Category:** widgets
+-	**Parent:** core/page-list
 -	**Supports:** ~~html~~, ~~inserter~~, ~~lock~~, ~~reusable~~
 -	**Attributes:** hasChildren, id, label, link, title
 
@@ -499,6 +515,7 @@ The author name. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/pac
 This block is deprecated. Please use the Comments block instead. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/post-comment))
 
 -	**Name:** core/post-comment
+-	**Experimental:** fse
 -	**Category:** theme
 -	**Supports:** ~~html~~, ~~inserter~~
 -	**Attributes:** commentId
@@ -508,6 +525,7 @@ This block is deprecated. Please use the Comments block instead. ([Source](https
 Display a post's comments count. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/post-comments-count))
 
 -	**Name:** core/post-comments-count
+-	**Experimental:** fse
 -	**Category:** theme
 -	**Supports:** anchor, color (background, gradients, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** textAlign
@@ -526,6 +544,7 @@ Display a post's comments form. ([Source](https://github.com/WordPress/gutenberg
 Displays the link to the current post comments. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/post-comments-link))
 
 -	**Name:** core/post-comments-link
+-	**Experimental:** fse
 -	**Category:** theme
 -	**Supports:** anchor, color (background, link, ~~text~~), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** textAlign
@@ -581,6 +600,7 @@ Contains the block elements used to render a post, like the title, date, feature
 
 -	**Name:** core/post-template
 -	**Category:** theme
+-	**Parent:** core/query
 -	**Supports:** align (full, wide), anchor, color (background, gradients, link, text), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** 
 
@@ -598,6 +618,7 @@ Post terms. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages
 Show minutes required to finish reading the post. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/post-time-to-read))
 
 -	**Name:** core/post-time-to-read
+-	**Experimental:** true
 -	**Category:** theme
 -	**Supports:** color (background, gradients, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** textAlign
@@ -644,6 +665,7 @@ Contains the block elements used to render content when no query results are fou
 
 -	**Name:** core/query-no-results
 -	**Category:** theme
+-	**Parent:** core/query
 -	**Supports:** align, anchor, color (background, gradients, link, text), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** 
 
@@ -653,6 +675,7 @@ Displays a paginated navigation to next/previous set of posts, when applicable.
 
 -	**Name:** core/query-pagination
 -	**Category:** theme
+-	**Parent:** core/query
 -	**Supports:** align, anchor, color (background, gradients, link, text), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** paginationArrow
 
@@ -662,6 +685,7 @@ Displays the next posts page link. ([Source](https://github.com/WordPress/gutenb
 
 -	**Name:** core/query-pagination-next
 -	**Category:** theme
+-	**Parent:** core/query-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** label
 
@@ -671,6 +695,7 @@ Displays a list of page numbers for pagination ([Source](https://github.com/Word
 
 -	**Name:** core/query-pagination-numbers
 -	**Category:** theme
+-	**Parent:** core/query-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** 
 
@@ -680,6 +705,7 @@ Displays the previous posts page link. ([Source](https://github.com/WordPress/gu
 
 -	**Name:** core/query-pagination-previous
 -	**Category:** theme
+-	**Parent:** core/query-pagination
 -	**Supports:** anchor, color (background, gradients, ~~text~~), typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** label
 
@@ -779,6 +805,7 @@ Display an icon linking to a social media profile or site. ([Source](https://git
 
 -	**Name:** core/social-link
 -	**Category:** widgets
+-	**Parent:** core/social-links
 -	**Supports:** anchor, ~~html~~, ~~reusable~~
 -	**Attributes:** label, rel, service, url
 
@@ -814,6 +841,7 @@ Create structured content in rows and columns to display information. ([Source](
 Summarize your post with a list of headings. Add HTML anchors to Heading blocks to link them here. ([Source](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/table-of-contents))
 
 -	**Name:** core/table-of-contents
+-	**Experimental:** true
 -	**Category:** layout
 -	**Supports:** color (background, gradients, link, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** headings, onlyIncludeCurrentPage