diff --git a/packages/block-editor/src/components/rich-text/index.js b/packages/block-editor/src/components/rich-text/index.js
index b3919feb052ef7..ba86551d500c82 100644
--- a/packages/block-editor/src/components/rich-text/index.js
+++ b/packages/block-editor/src/components/rich-text/index.js
@@ -306,7 +306,9 @@ function RichTextWrapper(
 						toHTMLString( {
 							value: before,
 							multilineTag,
-						} )
+						} ),
+						// Set true to not recreate the original block
+						true
 					)
 				);
 				lastPastedBlockIndex += 1;
diff --git a/packages/block-library/src/heading/edit.js b/packages/block-library/src/heading/edit.js
index f798d8501b3e13..92ca7b29e44815 100644
--- a/packages/block-library/src/heading/edit.js
+++ b/packages/block-library/src/heading/edit.js
@@ -16,6 +16,8 @@ import {
 } from '@wordpress/block-editor';
 import { ToolbarGroup } from '@wordpress/components';
 
+import { useSelect } from '@wordpress/data';
+
 /**
  * Internal dependencies
  */
@@ -27,8 +29,14 @@ function HeadingEdit( {
 	mergeBlocks,
 	onReplace,
 	mergedStyle,
+	clientId,
 } ) {
 	const { textAlign, content, level, placeholder } = attributes;
+	const block = useSelect(
+		( select ) => select( 'core/block-editor' ).getBlock( clientId ),
+		[]
+	);
+
 	const tagName = 'h' + level;
 	const blockProps = useBlockProps( {
 		className: classnames( {
@@ -61,7 +69,17 @@ function HeadingEdit( {
 				value={ content }
 				onChange={ ( value ) => setAttributes( { content: value } ) }
 				onMerge={ mergeBlocks }
-				onSplit={ ( value ) => {
+				onSplit={ ( value, keepId ) => {
+					if ( keepId ) {
+						return {
+							...block,
+							attributes: {
+								...block.attributes,
+								content: value || '',
+							},
+						};
+					}
+
 					if ( ! value ) {
 						return createBlock( 'core/paragraph' );
 					}
diff --git a/packages/block-library/src/paragraph/edit.js b/packages/block-library/src/paragraph/edit.js
index 54650eeab792e3..c865d03fc1c231 100644
--- a/packages/block-library/src/paragraph/edit.js
+++ b/packages/block-library/src/paragraph/edit.js
@@ -72,6 +72,7 @@ function ParagraphBlock( {
 	onReplace,
 	onRemove,
 	setAttributes,
+	clientId,
 } ) {
 	const {
 		align,
@@ -85,10 +86,14 @@ function ParagraphBlock( {
 	const isDropCapFeatureEnabled = useEditorFeature( 'typography.dropCap' );
 	const ref = useRef();
 	const inlineFontSize = style?.fontSize;
-	const size = useSelect(
+	const { size, block } = useSelect(
 		( select ) => {
-			const { fontSizes } = select( 'core/block-editor' ).getSettings();
-			return getFontSize( fontSizes, fontSize, inlineFontSize ).size;
+			const { getBlock, getSettings } = select( 'core/block-editor' );
+			const { fontSizes } = getSettings();
+			return {
+				size: getFontSize( fontSizes, fontSize, inlineFontSize ).size,
+				block: getBlock( clientId ),
+			};
 		},
 		[ fontSize, inlineFontSize ]
 	);
@@ -147,7 +152,16 @@ function ParagraphBlock( {
 				onChange={ ( newContent ) =>
 					setAttributes( { content: newContent } )
 				}
-				onSplit={ ( value ) => {
+				onSplit={ ( value, keepId ) => {
+					if ( keepId ) {
+						return {
+							...block,
+							attributes: {
+								...block.attributes,
+								content: value || '',
+							},
+						};
+					}
 					if ( ! value ) {
 						return createBlock( name );
 					}
diff --git a/packages/block-library/src/paragraph/edit.native.js b/packages/block-library/src/paragraph/edit.native.js
index 69ddf8ee4df44b..737eeea770cdc8 100644
--- a/packages/block-library/src/paragraph/edit.native.js
+++ b/packages/block-library/src/paragraph/edit.native.js
@@ -19,11 +19,15 @@ function ParagraphBlock( {
 	setAttributes,
 	mergedStyle,
 	style,
+	clientId,
 } ) {
-	const isRTL = useSelect( ( select ) => {
-		return !! select( 'core/block-editor' ).getSettings().isRTL;
+	const { isRTL, block } = useSelect( ( select ) => {
+		const { getBlock, getSettings } = select( 'core/block-editor' );
+		return {
+			isRTL: !! getSettings().isRTL,
+			block: getBlock( clientId ),
+		};
 	}, [] );
-
 	const { align, content, placeholder } = attributes;
 
 	const styles = {
@@ -53,7 +57,16 @@ function ParagraphBlock( {
 						content: nextContent,
 					} );
 				} }
-				onSplit={ ( value ) => {
+				onSplit={ ( value, keepId ) => {
+					if ( keepId ) {
+						return {
+							...block,
+							attributes: {
+								...block.attributes,
+								content: value || '',
+							},
+						};
+					}
 					if ( ! value ) {
 						return createBlock( name );
 					}
diff --git a/packages/rich-text/src/component/index.native.js b/packages/rich-text/src/component/index.native.js
index 2d3f3819dbac13..83a55c834344ed 100644
--- a/packages/rich-text/src/component/index.native.js
+++ b/packages/rich-text/src/component/index.native.js
@@ -7,7 +7,7 @@
  * WordPress dependencies
  */
 import RCTAztecView from '@wordpress/react-native-aztec';
-import { View, Platform } from 'react-native';
+import { View, Platform, InteractionManager } from 'react-native';
 import {
 	showUserSuggestions,
 	showXpostSuggestions,
@@ -730,8 +730,8 @@ export class RichText extends Component {
 	}
 
 	componentWillUnmount() {
-		if ( this._editor.isFocused() ) {
-			this._editor.blur();
+		if ( this._editor?.isFocused() ) {
+			this._editor?.blur();
 		}
 	}
 
@@ -745,7 +745,7 @@ export class RichText extends Component {
 		const { __unstableIsSelected: prevIsSelected } = prevProps;
 
 		if ( isSelected && ! prevIsSelected ) {
-			this._editor.focus();
+			this._editor?.focus();
 			// Update selection props explicitly when component is selected as Aztec won't call onSelectionChange
 			// if its internal value hasn't change. When created, default value is 0, 0
 			this.onSelectionChange(
@@ -753,7 +753,9 @@ export class RichText extends Component {
 				this.props.selectionEnd || 0
 			);
 		} else if ( ! isSelected && prevIsSelected ) {
-			this._editor.blur();
+			InteractionManager.runAfterInteractions( () => {
+				this._editor?.blur();
+			} );
 		}
 	}