diff --git a/lib/cjs/generated/browserSessionReplay.d.ts b/lib/cjs/generated/browserSessionReplay.d.ts
index d0dc164c..30ed198c 100644
--- a/lib/cjs/generated/browserSessionReplay.d.ts
+++ b/lib/cjs/generated/browserSessionReplay.d.ts
@@ -27,7 +27,7 @@ export declare type CreationReason = 'init' | 'segment_duration_limit' | 'segmen
 /**
  * Browser-specific. Schema of a Session Replay Record.
  */
-export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord;
+export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord | BrowserChangeRecord;
 /**
  * Browser-specific. Schema of a Record type which contains the full snapshot of a screen.
  */
@@ -303,6 +303,184 @@ export declare type FrustrationRecord = SlotSupportedCommonRecordSchema & {
         recordIds: number[];
     };
 };
+/**
+ * Browser-specific. Schema of a Record type which represents changes and mutations using a compact encoding. (Experimental.)
+ */
+export declare type BrowserChangeRecord = SlotSupportedCommonRecordSchema & {
+    /**
+     * The type of this Record.
+     */
+    readonly type: 12;
+    data: BrowserChangeData;
+    id?: number;
+};
+/**
+ * Browser-specific. Schema of a Session Replay BrowserChangeData type.
+ */
+export declare type BrowserChangeData = {
+    /**
+     * Changes to the `adoptedStyleSheets` list of a Document, DocumentFragment, or ShadowRoot node.
+     */
+    adoptedStyleSheetsChanges?: AdoptedStyleSheetsChange[];
+    /**
+     * Changes to the attributes of a node.
+     */
+    attributeChanges?: AttributeChange[];
+    /**
+     * Newly added nodes.
+     */
+    nodesAdded?: AddNodeChange[];
+    /**
+     * Newly removed nodes.
+     */
+    nodesRemoved?: NodeId[];
+    /**
+     * Changes to the scroll position of a node.
+     */
+    scrollChanges?: ScrollPositionChange[];
+    /**
+     * Newly added strings.
+     */
+    stringsAdded?: AddStringChange[];
+    /**
+     * Changes to the text content of a node.
+     */
+    textChanges?: TextChange[];
+};
+/**
+ * Browser-specific. Schema representing a change to the adopted stylesheets of a document or shadow DOM subtree.
+ *
+ * @minItems 1
+ */
+export declare type AdoptedStyleSheetsChange = [NodeId, ...StyleSheet[]];
+/**
+ * Browser-specific. Schema representing the ID of a DOM node.
+ */
+export declare type NodeId = number;
+/**
+ * Browser-specific. Schema representing a change to an node's attributes.
+ *
+ * @minItems 1
+ */
+export declare type AttributeChange = [NodeId, ...AttributeAssignmentOrDeletion[]];
+/**
+ * Browser-specific. Schema representing a change to an attribute, either by assignment of a new value or by deletion of the attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignmentOrDeletion = [string, string | null];
+/**
+ * Browser-specific. Schema representing the addition of a new node to the document.
+ */
+export declare type AddNodeChange = AddCDataSectionNodeChange | AddDocTypeNodeChange | AddDocumentNodeChange | AddDocumentFragmentNodeChange | AddElementNodeChange | AddTextNodeChange | AddShadowRootNodeChange;
+/**
+ * Browser-specific. Schema representing the addition of a new #cdata-section node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddCDataSectionNodeChange = [InsertionPoint, CDataSectionNodeName];
+/**
+ * Browser-specific. Schema representing the insertion point of a node which is being added to the document.
+ */
+export declare type InsertionPoint = RootInsertionPoint | LastChildInsertionPoint | NextSiblingInsertionPoint;
+/**
+ * A null insertion point, indicating that the node should be inserted at the root of the document.
+ */
+export declare type RootInsertionPoint = null;
+/**
+ * A positive integer insertion point. Inserting a node at positive integer N indicates that the node should be inserted as the last child of the node with an id N lower than the new node.
+ */
+export declare type LastChildInsertionPoint = number;
+/**
+ * A negative integer insertion point. Inserting a node at negative integer -N indicates that the node should be inserted as the next sibling of the node with an id N lower than the new node.
+ */
+export declare type NextSiblingInsertionPoint = number;
+/**
+ * Browser-specific. Schema representing the node name for a #cdata-section node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type CDataSectionNodeName = number | '#cdata-section';
+/**
+ * Browser-specific. Schema representing the addition of a new #doctype node to the document.
+ *
+ * @minItems 5
+ */
+export declare type AddDocTypeNodeChange = [InsertionPoint, DocTypeNodeName, string, string, string];
+/**
+ * Browser-specific. Schema representing the node name for a #doctype node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocTypeNodeName = number | '#doctype';
+/**
+ * Browser-specific. Schema representing the addition of a new #document node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentNodeChange = [InsertionPoint, DocumentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentNodeName = number | '#document';
+/**
+ * Browser-specific. Schema representing the addition of a new #document-fragment node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentFragmentNodeChange = [InsertionPoint, DocumentFragmentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document-fragment node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentFragmentNodeName = number | '#document-fragment';
+/**
+ * Browser-specific. Schema representing the addition of a new element node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddElementNodeChange = [InsertionPoint, NodeName, ...AttributeAssignment[]];
+/**
+ * Browser-specific. Schema representing a node name (i.e., Node#nodeName), expressed as either a reference to the string table or a literal string.
+ */
+export declare type NodeName = number | string;
+/**
+ * Browser-specific. Schema representing an assignment of a value to an attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignment = [string, string];
+/**
+ * Browser-specific. Schema representing the addition of a new #text node to the document.
+ *
+ * @minItems 3
+ */
+export declare type AddTextNodeChange = [InsertionPoint, TextNodeName, string];
+/**
+ * Browser-specific. Schema representing the node name for a #text node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type TextNodeName = number | '#text';
+/**
+ * Browser-specific. Schema representing the addition of a new #shadow-root node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddShadowRootNodeChange = [InsertionPoint, ShadowRootNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #shadow-root node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type ShadowRootNodeName = number | '#shadow-root';
+/**
+ * Browser-specific. Schema representing a scroll position change.
+ *
+ * @minItems 3
+ */
+export declare type ScrollPositionChange = [NodeId, number, number];
+/**
+ * Browser-specific. Schema representing the addition of a string to the string table.
+ */
+export declare type AddStringChange = string;
+/**
+ * Browser-specific. Schema representing a change to the text content of a #text node.
+ *
+ * @minItems 2
+ */
+export declare type TextChange = [NodeId, string];
 /**
  * Schema of a Session Replay Segment context.
  */
diff --git a/lib/cjs/generated/sessionReplay.d.ts b/lib/cjs/generated/sessionReplay.d.ts
index 52844e42..7e075c68 100644
--- a/lib/cjs/generated/sessionReplay.d.ts
+++ b/lib/cjs/generated/sessionReplay.d.ts
@@ -35,7 +35,7 @@ export declare type CreationReason = 'init' | 'segment_duration_limit' | 'segmen
 /**
  * Browser-specific. Schema of a Session Replay Record.
  */
-export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord;
+export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord | BrowserChangeRecord;
 /**
  * Browser-specific. Schema of a Record type which contains the full snapshot of a screen.
  */
@@ -311,6 +311,184 @@ export declare type FrustrationRecord = SlotSupportedCommonRecordSchema & {
         recordIds: number[];
     };
 };
+/**
+ * Browser-specific. Schema of a Record type which represents changes and mutations using a compact encoding. (Experimental.)
+ */
+export declare type BrowserChangeRecord = SlotSupportedCommonRecordSchema & {
+    /**
+     * The type of this Record.
+     */
+    readonly type: 12;
+    data: BrowserChangeData;
+    id?: number;
+};
+/**
+ * Browser-specific. Schema of a Session Replay BrowserChangeData type.
+ */
+export declare type BrowserChangeData = {
+    /**
+     * Changes to the `adoptedStyleSheets` list of a Document, DocumentFragment, or ShadowRoot node.
+     */
+    adoptedStyleSheetsChanges?: AdoptedStyleSheetsChange[];
+    /**
+     * Changes to the attributes of a node.
+     */
+    attributeChanges?: AttributeChange[];
+    /**
+     * Newly added nodes.
+     */
+    nodesAdded?: AddNodeChange[];
+    /**
+     * Newly removed nodes.
+     */
+    nodesRemoved?: NodeId[];
+    /**
+     * Changes to the scroll position of a node.
+     */
+    scrollChanges?: ScrollPositionChange[];
+    /**
+     * Newly added strings.
+     */
+    stringsAdded?: AddStringChange[];
+    /**
+     * Changes to the text content of a node.
+     */
+    textChanges?: TextChange[];
+};
+/**
+ * Browser-specific. Schema representing a change to the adopted stylesheets of a document or shadow DOM subtree.
+ *
+ * @minItems 1
+ */
+export declare type AdoptedStyleSheetsChange = [NodeId, ...StyleSheet[]];
+/**
+ * Browser-specific. Schema representing the ID of a DOM node.
+ */
+export declare type NodeId = number;
+/**
+ * Browser-specific. Schema representing a change to an node's attributes.
+ *
+ * @minItems 1
+ */
+export declare type AttributeChange = [NodeId, ...AttributeAssignmentOrDeletion[]];
+/**
+ * Browser-specific. Schema representing a change to an attribute, either by assignment of a new value or by deletion of the attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignmentOrDeletion = [string, string | null];
+/**
+ * Browser-specific. Schema representing the addition of a new node to the document.
+ */
+export declare type AddNodeChange = AddCDataSectionNodeChange | AddDocTypeNodeChange | AddDocumentNodeChange | AddDocumentFragmentNodeChange | AddElementNodeChange | AddTextNodeChange | AddShadowRootNodeChange;
+/**
+ * Browser-specific. Schema representing the addition of a new #cdata-section node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddCDataSectionNodeChange = [InsertionPoint, CDataSectionNodeName];
+/**
+ * Browser-specific. Schema representing the insertion point of a node which is being added to the document.
+ */
+export declare type InsertionPoint = RootInsertionPoint | LastChildInsertionPoint | NextSiblingInsertionPoint;
+/**
+ * A null insertion point, indicating that the node should be inserted at the root of the document.
+ */
+export declare type RootInsertionPoint = null;
+/**
+ * A positive integer insertion point. Inserting a node at positive integer N indicates that the node should be inserted as the last child of the node with an id N lower than the new node.
+ */
+export declare type LastChildInsertionPoint = number;
+/**
+ * A negative integer insertion point. Inserting a node at negative integer -N indicates that the node should be inserted as the next sibling of the node with an id N lower than the new node.
+ */
+export declare type NextSiblingInsertionPoint = number;
+/**
+ * Browser-specific. Schema representing the node name for a #cdata-section node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type CDataSectionNodeName = number | '#cdata-section';
+/**
+ * Browser-specific. Schema representing the addition of a new #doctype node to the document.
+ *
+ * @minItems 5
+ */
+export declare type AddDocTypeNodeChange = [InsertionPoint, DocTypeNodeName, string, string, string];
+/**
+ * Browser-specific. Schema representing the node name for a #doctype node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocTypeNodeName = number | '#doctype';
+/**
+ * Browser-specific. Schema representing the addition of a new #document node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentNodeChange = [InsertionPoint, DocumentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentNodeName = number | '#document';
+/**
+ * Browser-specific. Schema representing the addition of a new #document-fragment node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentFragmentNodeChange = [InsertionPoint, DocumentFragmentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document-fragment node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentFragmentNodeName = number | '#document-fragment';
+/**
+ * Browser-specific. Schema representing the addition of a new element node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddElementNodeChange = [InsertionPoint, NodeName, ...AttributeAssignment[]];
+/**
+ * Browser-specific. Schema representing a node name (i.e., Node#nodeName), expressed as either a reference to the string table or a literal string.
+ */
+export declare type NodeName = number | string;
+/**
+ * Browser-specific. Schema representing an assignment of a value to an attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignment = [string, string];
+/**
+ * Browser-specific. Schema representing the addition of a new #text node to the document.
+ *
+ * @minItems 3
+ */
+export declare type AddTextNodeChange = [InsertionPoint, TextNodeName, string];
+/**
+ * Browser-specific. Schema representing the node name for a #text node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type TextNodeName = number | '#text';
+/**
+ * Browser-specific. Schema representing the addition of a new #shadow-root node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddShadowRootNodeChange = [InsertionPoint, ShadowRootNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #shadow-root node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type ShadowRootNodeName = number | '#shadow-root';
+/**
+ * Browser-specific. Schema representing a scroll position change.
+ *
+ * @minItems 3
+ */
+export declare type ScrollPositionChange = [NodeId, number, number];
+/**
+ * Browser-specific. Schema representing the addition of a string to the string table.
+ */
+export declare type AddStringChange = string;
+/**
+ * Browser-specific. Schema representing a change to the text content of a #text node.
+ *
+ * @minItems 2
+ */
+export declare type TextChange = [NodeId, string];
 /**
  * Mobile-specific. Schema of a Session Replay data Segment.
  */
diff --git a/lib/esm/generated/browserSessionReplay.d.ts b/lib/esm/generated/browserSessionReplay.d.ts
index d0dc164c..30ed198c 100644
--- a/lib/esm/generated/browserSessionReplay.d.ts
+++ b/lib/esm/generated/browserSessionReplay.d.ts
@@ -27,7 +27,7 @@ export declare type CreationReason = 'init' | 'segment_duration_limit' | 'segmen
 /**
  * Browser-specific. Schema of a Session Replay Record.
  */
-export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord;
+export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord | BrowserChangeRecord;
 /**
  * Browser-specific. Schema of a Record type which contains the full snapshot of a screen.
  */
@@ -303,6 +303,184 @@ export declare type FrustrationRecord = SlotSupportedCommonRecordSchema & {
         recordIds: number[];
     };
 };
+/**
+ * Browser-specific. Schema of a Record type which represents changes and mutations using a compact encoding. (Experimental.)
+ */
+export declare type BrowserChangeRecord = SlotSupportedCommonRecordSchema & {
+    /**
+     * The type of this Record.
+     */
+    readonly type: 12;
+    data: BrowserChangeData;
+    id?: number;
+};
+/**
+ * Browser-specific. Schema of a Session Replay BrowserChangeData type.
+ */
+export declare type BrowserChangeData = {
+    /**
+     * Changes to the `adoptedStyleSheets` list of a Document, DocumentFragment, or ShadowRoot node.
+     */
+    adoptedStyleSheetsChanges?: AdoptedStyleSheetsChange[];
+    /**
+     * Changes to the attributes of a node.
+     */
+    attributeChanges?: AttributeChange[];
+    /**
+     * Newly added nodes.
+     */
+    nodesAdded?: AddNodeChange[];
+    /**
+     * Newly removed nodes.
+     */
+    nodesRemoved?: NodeId[];
+    /**
+     * Changes to the scroll position of a node.
+     */
+    scrollChanges?: ScrollPositionChange[];
+    /**
+     * Newly added strings.
+     */
+    stringsAdded?: AddStringChange[];
+    /**
+     * Changes to the text content of a node.
+     */
+    textChanges?: TextChange[];
+};
+/**
+ * Browser-specific. Schema representing a change to the adopted stylesheets of a document or shadow DOM subtree.
+ *
+ * @minItems 1
+ */
+export declare type AdoptedStyleSheetsChange = [NodeId, ...StyleSheet[]];
+/**
+ * Browser-specific. Schema representing the ID of a DOM node.
+ */
+export declare type NodeId = number;
+/**
+ * Browser-specific. Schema representing a change to an node's attributes.
+ *
+ * @minItems 1
+ */
+export declare type AttributeChange = [NodeId, ...AttributeAssignmentOrDeletion[]];
+/**
+ * Browser-specific. Schema representing a change to an attribute, either by assignment of a new value or by deletion of the attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignmentOrDeletion = [string, string | null];
+/**
+ * Browser-specific. Schema representing the addition of a new node to the document.
+ */
+export declare type AddNodeChange = AddCDataSectionNodeChange | AddDocTypeNodeChange | AddDocumentNodeChange | AddDocumentFragmentNodeChange | AddElementNodeChange | AddTextNodeChange | AddShadowRootNodeChange;
+/**
+ * Browser-specific. Schema representing the addition of a new #cdata-section node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddCDataSectionNodeChange = [InsertionPoint, CDataSectionNodeName];
+/**
+ * Browser-specific. Schema representing the insertion point of a node which is being added to the document.
+ */
+export declare type InsertionPoint = RootInsertionPoint | LastChildInsertionPoint | NextSiblingInsertionPoint;
+/**
+ * A null insertion point, indicating that the node should be inserted at the root of the document.
+ */
+export declare type RootInsertionPoint = null;
+/**
+ * A positive integer insertion point. Inserting a node at positive integer N indicates that the node should be inserted as the last child of the node with an id N lower than the new node.
+ */
+export declare type LastChildInsertionPoint = number;
+/**
+ * A negative integer insertion point. Inserting a node at negative integer -N indicates that the node should be inserted as the next sibling of the node with an id N lower than the new node.
+ */
+export declare type NextSiblingInsertionPoint = number;
+/**
+ * Browser-specific. Schema representing the node name for a #cdata-section node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type CDataSectionNodeName = number | '#cdata-section';
+/**
+ * Browser-specific. Schema representing the addition of a new #doctype node to the document.
+ *
+ * @minItems 5
+ */
+export declare type AddDocTypeNodeChange = [InsertionPoint, DocTypeNodeName, string, string, string];
+/**
+ * Browser-specific. Schema representing the node name for a #doctype node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocTypeNodeName = number | '#doctype';
+/**
+ * Browser-specific. Schema representing the addition of a new #document node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentNodeChange = [InsertionPoint, DocumentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentNodeName = number | '#document';
+/**
+ * Browser-specific. Schema representing the addition of a new #document-fragment node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentFragmentNodeChange = [InsertionPoint, DocumentFragmentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document-fragment node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentFragmentNodeName = number | '#document-fragment';
+/**
+ * Browser-specific. Schema representing the addition of a new element node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddElementNodeChange = [InsertionPoint, NodeName, ...AttributeAssignment[]];
+/**
+ * Browser-specific. Schema representing a node name (i.e., Node#nodeName), expressed as either a reference to the string table or a literal string.
+ */
+export declare type NodeName = number | string;
+/**
+ * Browser-specific. Schema representing an assignment of a value to an attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignment = [string, string];
+/**
+ * Browser-specific. Schema representing the addition of a new #text node to the document.
+ *
+ * @minItems 3
+ */
+export declare type AddTextNodeChange = [InsertionPoint, TextNodeName, string];
+/**
+ * Browser-specific. Schema representing the node name for a #text node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type TextNodeName = number | '#text';
+/**
+ * Browser-specific. Schema representing the addition of a new #shadow-root node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddShadowRootNodeChange = [InsertionPoint, ShadowRootNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #shadow-root node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type ShadowRootNodeName = number | '#shadow-root';
+/**
+ * Browser-specific. Schema representing a scroll position change.
+ *
+ * @minItems 3
+ */
+export declare type ScrollPositionChange = [NodeId, number, number];
+/**
+ * Browser-specific. Schema representing the addition of a string to the string table.
+ */
+export declare type AddStringChange = string;
+/**
+ * Browser-specific. Schema representing a change to the text content of a #text node.
+ *
+ * @minItems 2
+ */
+export declare type TextChange = [NodeId, string];
 /**
  * Schema of a Session Replay Segment context.
  */
diff --git a/lib/esm/generated/sessionReplay.d.ts b/lib/esm/generated/sessionReplay.d.ts
index 52844e42..7e075c68 100644
--- a/lib/esm/generated/sessionReplay.d.ts
+++ b/lib/esm/generated/sessionReplay.d.ts
@@ -35,7 +35,7 @@ export declare type CreationReason = 'init' | 'segment_duration_limit' | 'segmen
 /**
  * Browser-specific. Schema of a Session Replay Record.
  */
-export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord;
+export declare type BrowserRecord = BrowserFullSnapshotRecord | BrowserIncrementalSnapshotRecord | MetaRecord | FocusRecord | ViewEndRecord | VisualViewportRecord | FrustrationRecord | BrowserChangeRecord;
 /**
  * Browser-specific. Schema of a Record type which contains the full snapshot of a screen.
  */
@@ -311,6 +311,184 @@ export declare type FrustrationRecord = SlotSupportedCommonRecordSchema & {
         recordIds: number[];
     };
 };
+/**
+ * Browser-specific. Schema of a Record type which represents changes and mutations using a compact encoding. (Experimental.)
+ */
+export declare type BrowserChangeRecord = SlotSupportedCommonRecordSchema & {
+    /**
+     * The type of this Record.
+     */
+    readonly type: 12;
+    data: BrowserChangeData;
+    id?: number;
+};
+/**
+ * Browser-specific. Schema of a Session Replay BrowserChangeData type.
+ */
+export declare type BrowserChangeData = {
+    /**
+     * Changes to the `adoptedStyleSheets` list of a Document, DocumentFragment, or ShadowRoot node.
+     */
+    adoptedStyleSheetsChanges?: AdoptedStyleSheetsChange[];
+    /**
+     * Changes to the attributes of a node.
+     */
+    attributeChanges?: AttributeChange[];
+    /**
+     * Newly added nodes.
+     */
+    nodesAdded?: AddNodeChange[];
+    /**
+     * Newly removed nodes.
+     */
+    nodesRemoved?: NodeId[];
+    /**
+     * Changes to the scroll position of a node.
+     */
+    scrollChanges?: ScrollPositionChange[];
+    /**
+     * Newly added strings.
+     */
+    stringsAdded?: AddStringChange[];
+    /**
+     * Changes to the text content of a node.
+     */
+    textChanges?: TextChange[];
+};
+/**
+ * Browser-specific. Schema representing a change to the adopted stylesheets of a document or shadow DOM subtree.
+ *
+ * @minItems 1
+ */
+export declare type AdoptedStyleSheetsChange = [NodeId, ...StyleSheet[]];
+/**
+ * Browser-specific. Schema representing the ID of a DOM node.
+ */
+export declare type NodeId = number;
+/**
+ * Browser-specific. Schema representing a change to an node's attributes.
+ *
+ * @minItems 1
+ */
+export declare type AttributeChange = [NodeId, ...AttributeAssignmentOrDeletion[]];
+/**
+ * Browser-specific. Schema representing a change to an attribute, either by assignment of a new value or by deletion of the attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignmentOrDeletion = [string, string | null];
+/**
+ * Browser-specific. Schema representing the addition of a new node to the document.
+ */
+export declare type AddNodeChange = AddCDataSectionNodeChange | AddDocTypeNodeChange | AddDocumentNodeChange | AddDocumentFragmentNodeChange | AddElementNodeChange | AddTextNodeChange | AddShadowRootNodeChange;
+/**
+ * Browser-specific. Schema representing the addition of a new #cdata-section node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddCDataSectionNodeChange = [InsertionPoint, CDataSectionNodeName];
+/**
+ * Browser-specific. Schema representing the insertion point of a node which is being added to the document.
+ */
+export declare type InsertionPoint = RootInsertionPoint | LastChildInsertionPoint | NextSiblingInsertionPoint;
+/**
+ * A null insertion point, indicating that the node should be inserted at the root of the document.
+ */
+export declare type RootInsertionPoint = null;
+/**
+ * A positive integer insertion point. Inserting a node at positive integer N indicates that the node should be inserted as the last child of the node with an id N lower than the new node.
+ */
+export declare type LastChildInsertionPoint = number;
+/**
+ * A negative integer insertion point. Inserting a node at negative integer -N indicates that the node should be inserted as the next sibling of the node with an id N lower than the new node.
+ */
+export declare type NextSiblingInsertionPoint = number;
+/**
+ * Browser-specific. Schema representing the node name for a #cdata-section node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type CDataSectionNodeName = number | '#cdata-section';
+/**
+ * Browser-specific. Schema representing the addition of a new #doctype node to the document.
+ *
+ * @minItems 5
+ */
+export declare type AddDocTypeNodeChange = [InsertionPoint, DocTypeNodeName, string, string, string];
+/**
+ * Browser-specific. Schema representing the node name for a #doctype node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocTypeNodeName = number | '#doctype';
+/**
+ * Browser-specific. Schema representing the addition of a new #document node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentNodeChange = [InsertionPoint, DocumentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentNodeName = number | '#document';
+/**
+ * Browser-specific. Schema representing the addition of a new #document-fragment node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddDocumentFragmentNodeChange = [InsertionPoint, DocumentFragmentNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #document-fragment node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type DocumentFragmentNodeName = number | '#document-fragment';
+/**
+ * Browser-specific. Schema representing the addition of a new element node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddElementNodeChange = [InsertionPoint, NodeName, ...AttributeAssignment[]];
+/**
+ * Browser-specific. Schema representing a node name (i.e., Node#nodeName), expressed as either a reference to the string table or a literal string.
+ */
+export declare type NodeName = number | string;
+/**
+ * Browser-specific. Schema representing an assignment of a value to an attribute.
+ *
+ * @minItems 2
+ */
+export declare type AttributeAssignment = [string, string];
+/**
+ * Browser-specific. Schema representing the addition of a new #text node to the document.
+ *
+ * @minItems 3
+ */
+export declare type AddTextNodeChange = [InsertionPoint, TextNodeName, string];
+/**
+ * Browser-specific. Schema representing the node name for a #text node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type TextNodeName = number | '#text';
+/**
+ * Browser-specific. Schema representing the addition of a new #shadow-root node to the document.
+ *
+ * @minItems 2
+ */
+export declare type AddShadowRootNodeChange = [InsertionPoint, ShadowRootNodeName];
+/**
+ * Browser-specific. Schema representing the node name for a #shadow-root node, expressed as either a reference to the string table or a literal string.
+ */
+export declare type ShadowRootNodeName = number | '#shadow-root';
+/**
+ * Browser-specific. Schema representing a scroll position change.
+ *
+ * @minItems 3
+ */
+export declare type ScrollPositionChange = [NodeId, number, number];
+/**
+ * Browser-specific. Schema representing the addition of a string to the string table.
+ */
+export declare type AddStringChange = string;
+/**
+ * Browser-specific. Schema representing a change to the text content of a #text node.
+ *
+ * @minItems 2
+ */
+export declare type TextChange = [NodeId, string];
 /**
  * Mobile-specific. Schema of a Session Replay data Segment.
  */
diff --git a/schemas/session-replay/browser/change-data-schema.json b/schemas/session-replay/browser/change-data-schema.json
new file mode 100644
index 00000000..4c07ff56
--- /dev/null
+++ b/schemas/session-replay/browser/change-data-schema.json
@@ -0,0 +1,62 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/change-data-schema.json",
+  "title": "BrowserChangeData",
+  "type": "object",
+  "description": "Browser-specific. Schema of a Session Replay BrowserChangeData type.",
+  "allOf": [
+    {
+      "properties": {
+        "adoptedStyleSheetsChanges": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/adopted-stylesheets-change-schema.json"
+          },
+          "description": "Changes to the `adoptedStyleSheets` list of a Document, DocumentFragment, or ShadowRoot node."
+        },
+        "attributeChanges": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/attribute-change-schema.json"
+          },
+          "description": "Changes to the attributes of a node."
+        },
+        "nodesAdded": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/add-node-change-schema.json"
+          },
+          "description": "Newly added nodes."
+        },
+        "nodesRemoved": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/node-references/node-id-schema.json"
+          },
+          "description": "Newly removed nodes."
+        },
+        "scrollChanges": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/scroll-position-change-schema.json"
+          },
+          "description": "Changes to the scroll position of a node."
+        },
+        "stringsAdded": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/add-string-change-schema.json"
+          },
+          "description": "Newly added strings."
+        },
+        "textChanges": {
+          "type": "array",
+          "items": {
+            "$ref": "changes/text-change-schema.json"
+          },
+          "description": "Changes to the text content of a node."
+        }
+      }
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/change-record-schema.json b/schemas/session-replay/browser/change-record-schema.json
new file mode 100644
index 00000000..7ae0413c
--- /dev/null
+++ b/schemas/session-replay/browser/change-record-schema.json
@@ -0,0 +1,29 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/change-record-schema.json",
+  "title": "BrowserChangeRecord",
+  "type": "object",
+  "description": "Browser-specific. Schema of a Record type which represents changes and mutations using a compact encoding. (Experimental.)",
+  "allOf": [
+    {
+      "$ref": "../common/_slot-supported-common-record-schema.json"
+    },
+    {
+      "required": ["type", "data"],
+      "properties": {
+        "type": {
+          "type": "integer",
+          "description": "The type of this Record.",
+          "const": 12,
+          "readOnly": true
+        },
+        "data": {
+          "$ref": "change-data-schema.json"
+        },
+        "id": {
+          "type": "integer"
+        }
+      }
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/add-cdata-section-node-change-schema.json b/schemas/session-replay/browser/changes/add-cdata-section-node-change-schema.json
new file mode 100644
index 00000000..b8139352
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-cdata-section-node-change-schema.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-cdata-section-node-change-schema.json",
+  "title": "AddCDataSectionNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #cdata-section node to the document.",
+  "minItems": 2,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/cdata-section-node-name-schema.json" }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/add-doctype-node-change-schema.json b/schemas/session-replay/browser/changes/add-doctype-node-change-schema.json
new file mode 100644
index 00000000..fdef2fb3
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-doctype-node-change-schema.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-doctype-node-change-schema.json",
+  "title": "AddDocTypeNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #doctype node to the document.",
+  "minItems": 5,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/doctype-node-name-schema.json" },
+    {
+      "type": "string",
+      "description": "The doctype's name."
+    },
+    {
+      "type": "string",
+      "description": "The doctype's public ID."
+    },
+    {
+      "type": "string",
+      "description": "The doctype's system ID."
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/add-document-fragment-node-change-schema.json b/schemas/session-replay/browser/changes/add-document-fragment-node-change-schema.json
new file mode 100644
index 00000000..01263550
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-document-fragment-node-change-schema.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-document-fragment-node-change-schema.json",
+  "title": "AddDocumentFragmentNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #document-fragment node to the document.",
+  "minItems": 2,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/document-fragment-node-name-schema.json" }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/add-document-node-change-schema.json b/schemas/session-replay/browser/changes/add-document-node-change-schema.json
new file mode 100644
index 00000000..0f7c7348
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-document-node-change-schema.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-document-node-change-schema.json",
+  "title": "AddDocumentNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #document node to the document.",
+  "minItems": 2,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/document-node-name-schema.json" }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/add-element-node-change-schema.json b/schemas/session-replay/browser/changes/add-element-node-change-schema.json
new file mode 100644
index 00000000..3cecef1e
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-element-node-change-schema.json
@@ -0,0 +1,10 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-element-node-change-schema.json",
+  "title": "AddElementNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new element node to the document.",
+  "minItems": 2,
+  "items": [{ "$ref": "node-references/insertion-point-schema.json" }, { "$ref": "node-names/node-name-schema.json" }],
+  "additionalItems": { "$ref": "attribute-assignment-schema.json" }
+}
diff --git a/schemas/session-replay/browser/changes/add-node-change-schema.json b/schemas/session-replay/browser/changes/add-node-change-schema.json
new file mode 100644
index 00000000..89cbc99b
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-node-change-schema.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-node-change-schema.json",
+  "title": "AddNodeChange",
+  "description": "Browser-specific. Schema representing the addition of a new node to the document.",
+  "oneOf": [
+    { "$ref": "add-cdata-section-node-change-schema.json" },
+    { "$ref": "add-doctype-node-change-schema.json" },
+    { "$ref": "add-document-node-change-schema.json" },
+    { "$ref": "add-document-fragment-node-change-schema.json" },
+    { "$ref": "add-element-node-change-schema.json" },
+    { "$ref": "add-text-node-change-schema.json" },
+    { "$ref": "add-shadow-root-node-change-schema.json" }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/add-shadow-root-node-change-schema.json b/schemas/session-replay/browser/changes/add-shadow-root-node-change-schema.json
new file mode 100644
index 00000000..7aef60db
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-shadow-root-node-change-schema.json
@@ -0,0 +1,13 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-shadow-root-node-change-schema.json",
+  "title": "AddShadowRootNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #shadow-root node to the document.",
+  "minItems": 2,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/shadow-root-node-name-schema.json" }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/add-string-change-schema.json b/schemas/session-replay/browser/changes/add-string-change-schema.json
new file mode 100644
index 00000000..aee272a3
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-string-change-schema.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-string-change-schema.json",
+  "title": "AddStringChange",
+  "description": "Browser-specific. Schema representing the addition of a string to the string table.",
+  "type": "string",
+  "minimum": 0
+}
diff --git a/schemas/session-replay/browser/changes/add-text-node-change-schema.json b/schemas/session-replay/browser/changes/add-text-node-change-schema.json
new file mode 100644
index 00000000..ad914bda
--- /dev/null
+++ b/schemas/session-replay/browser/changes/add-text-node-change-schema.json
@@ -0,0 +1,17 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/add-text-node-change-schema.json",
+  "title": "AddTextNodeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing the addition of a new #text node to the document.",
+  "minItems": 3,
+  "items": [
+    { "$ref": "node-references/insertion-point-schema.json" },
+    { "$ref": "node-names/text-node-name-schema.json" },
+    {
+      "type": "string",
+      "description": "The text node's content."
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/adopted-stylesheets-change-schema.json b/schemas/session-replay/browser/changes/adopted-stylesheets-change-schema.json
new file mode 100644
index 00000000..324de1c6
--- /dev/null
+++ b/schemas/session-replay/browser/changes/adopted-stylesheets-change-schema.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/adopted-stylesheets-change-schema.json",
+  "title": "AdoptedStyleSheetsChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing a change to the adopted stylesheets of a document or shadow DOM subtree.",
+  "minItems": 1,
+  "items": [{ "$ref": "node-references/node-id-schema.json" }],
+  "additionalItems": {
+    "$ref": "../stylesheet-schema.json"
+  }
+}
diff --git a/schemas/session-replay/browser/changes/attribute-assignment-or-deletion-schema.json b/schemas/session-replay/browser/changes/attribute-assignment-or-deletion-schema.json
new file mode 100644
index 00000000..6303d35c
--- /dev/null
+++ b/schemas/session-replay/browser/changes/attribute-assignment-or-deletion-schema.json
@@ -0,0 +1,27 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/attribute-assignment-or-deletion-schema.json",
+  "title": "AttributeAssignmentOrDeletion",
+  "type": "array",
+  "description": "Browser-specific. Schema representing a change to an attribute, either by assignment of a new value or by deletion of the attribute.",
+  "minItems": 2,
+  "items": [
+    {
+      "type": "string",
+      "description": "The name of the attribute to change or delete."
+    },
+    {
+      "oneOf": [
+        {
+          "type": "string",
+          "description": "The new value for the attribute."
+        },
+        {
+          "type": "null",
+          "description": "Indicates that the attribute should be deleted."
+        }
+      ]
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/attribute-assignment-schema.json b/schemas/session-replay/browser/changes/attribute-assignment-schema.json
new file mode 100644
index 00000000..0d21efe0
--- /dev/null
+++ b/schemas/session-replay/browser/changes/attribute-assignment-schema.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/attribute-assignment-schema.json",
+  "title": "AttributeAssignment",
+  "type": "array",
+  "description": "Browser-specific. Schema representing an assignment of a value to an attribute.",
+  "minItems": 2,
+  "items": [
+    {
+      "type": "string",
+      "description": "The name of the attribute."
+    },
+    {
+      "type": "string",
+      "description": "The value for the attribute."
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/attribute-change-schema.json b/schemas/session-replay/browser/changes/attribute-change-schema.json
new file mode 100644
index 00000000..66ac2d07
--- /dev/null
+++ b/schemas/session-replay/browser/changes/attribute-change-schema.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/attribute-change-schema.json",
+  "title": "AttributeChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing a change to an node's attributes.",
+  "minItems": 1,
+  "items": [{ "$ref": "node-references/node-id-schema.json" }],
+  "additionalItems": {
+    "$ref": "attribute-assignment-or-deletion-schema.json"
+  }
+}
diff --git a/schemas/session-replay/browser/changes/node-names/cdata-section-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/cdata-section-node-name-schema.json
new file mode 100644
index 00000000..c62b4a54
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/cdata-section-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/cdata-section-node-name-schema.json",
+  "title": "CDataSectionNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #cdata-section node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#cdata-section"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/doctype-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/doctype-node-name-schema.json
new file mode 100644
index 00000000..8a3671e0
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/doctype-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/doctype-node-name-schema.json",
+  "title": "DocTypeNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #doctype node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#doctype"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/document-fragment-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/document-fragment-node-name-schema.json
new file mode 100644
index 00000000..3b71a968
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/document-fragment-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/document-fragment-node-name-schema.json",
+  "title": "DocumentFragmentNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #document-fragment node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#document-fragment"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/document-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/document-node-name-schema.json
new file mode 100644
index 00000000..a91d62ee
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/document-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/document-node-name-schema.json",
+  "title": "DocumentNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #document node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#document"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/node-name-schema.json b/schemas/session-replay/browser/changes/node-names/node-name-schema.json
new file mode 100644
index 00000000..e74fa39e
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/node-name-schema.json
@@ -0,0 +1,17 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/node-name-schema.json",
+  "title": "NodeName",
+  "description": "Browser-specific. Schema representing a node name (i.e., Node#nodeName), expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "type": "string",
+      "description": "The node name expressed as a literal string."
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/shadow-root-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/shadow-root-node-name-schema.json
new file mode 100644
index 00000000..dee24dc5
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/shadow-root-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/shadow-root-node-name-schema.json",
+  "title": "ShadowRootNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #shadow-root node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#shadow-root"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-names/text-node-name-schema.json b/schemas/session-replay/browser/changes/node-names/text-node-name-schema.json
new file mode 100644
index 00000000..65e8a27d
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-names/text-node-name-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-names/text-node-name-schema.json",
+  "title": "TextNodeName",
+  "description": "Browser-specific. Schema representing the node name for a #text node, expressed as either a reference to the string table or a literal string.",
+  "oneOf": [
+    {
+      "type": "integer",
+      "minimum": 0,
+      "description": "A reference to the node name in the string table at the given index."
+    },
+    {
+      "const": "#text"
+    }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-references/insertion-point-schema.json b/schemas/session-replay/browser/changes/node-references/insertion-point-schema.json
new file mode 100644
index 00000000..998a7c5d
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-references/insertion-point-schema.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-references/insertion-point-schema.json",
+  "title": "InsertionPoint",
+  "description": "Browser-specific. Schema representing the insertion point of a node which is being added to the document.",
+  "oneOf": [
+    { "$ref": "root-insertion-point-schema.json" },
+    { "$ref": "last-child-insertion-point-schema.json" },
+    { "$ref": "next-sibling-insertion-point-schema.json" }
+  ]
+}
diff --git a/schemas/session-replay/browser/changes/node-references/last-child-insertion-point-schema.json b/schemas/session-replay/browser/changes/node-references/last-child-insertion-point-schema.json
new file mode 100644
index 00000000..2ee93e7f
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-references/last-child-insertion-point-schema.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-references/last-child-insertion-point-schema.json",
+  "title": "LastChildInsertionPoint",
+  "description": "A positive integer insertion point. Inserting a node at positive integer N indicates that the node should be inserted as the last child of the node with an id N lower than the new node.",
+  "type": "integer",
+  "minimum": 1
+}
diff --git a/schemas/session-replay/browser/changes/node-references/next-sibling-insertion-point-schema.json b/schemas/session-replay/browser/changes/node-references/next-sibling-insertion-point-schema.json
new file mode 100644
index 00000000..eaa19274
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-references/next-sibling-insertion-point-schema.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-references/next-sibling-insertion-point-schema.json",
+  "title": "NextSiblingInsertionPoint",
+  "description": "A negative integer insertion point. Inserting a node at negative integer -N indicates that the node should be inserted as the next sibling of the node with an id N lower than the new node.",
+  "type": "integer",
+  "maximum": -1
+}
diff --git a/schemas/session-replay/browser/changes/node-references/node-id-schema.json b/schemas/session-replay/browser/changes/node-references/node-id-schema.json
new file mode 100644
index 00000000..1b24e098
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-references/node-id-schema.json
@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-references/node-id-schema.json",
+  "title": "NodeId",
+  "description": "Browser-specific. Schema representing the ID of a DOM node.",
+  "type": "integer",
+  "minimum": 0
+}
diff --git a/schemas/session-replay/browser/changes/node-references/root-insertion-point-schema.json b/schemas/session-replay/browser/changes/node-references/root-insertion-point-schema.json
new file mode 100644
index 00000000..91d6ddac
--- /dev/null
+++ b/schemas/session-replay/browser/changes/node-references/root-insertion-point-schema.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/node-references/root-insertion-point-schema.json",
+  "title": "RootInsertionPoint",
+  "description": "A null insertion point, indicating that the node should be inserted at the root of the document.",
+  "type": "null"
+}
diff --git a/schemas/session-replay/browser/changes/scroll-position-change-schema.json b/schemas/session-replay/browser/changes/scroll-position-change-schema.json
new file mode 100644
index 00000000..a65f75ac
--- /dev/null
+++ b/schemas/session-replay/browser/changes/scroll-position-change-schema.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/scroll-position-change-schema.json",
+  "title": "ScrollPositionChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing a scroll position change.",
+  "minItems": 3,
+  "items": [
+    { "$ref": "node-references/node-id-schema.json" },
+    {
+      "type": "number",
+      "description": "X-axis coordinate for this scroll position change."
+    },
+    {
+      "type": "number",
+      "description": "Y-axis coordinate for this scroll position change."
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/changes/text-change-schema.json b/schemas/session-replay/browser/changes/text-change-schema.json
new file mode 100644
index 00000000..61bd0454
--- /dev/null
+++ b/schemas/session-replay/browser/changes/text-change-schema.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay/browser/changes/text-change-schema.json",
+  "title": "TextChange",
+  "type": "array",
+  "description": "Browser-specific. Schema representing a change to the text content of a #text node.",
+  "minItems": 2,
+  "items": [
+    { "$ref": "node-references/node-id-schema.json" },
+    {
+      "type": "string",
+      "description": "The new text content."
+    }
+  ],
+  "additionalItems": false
+}
diff --git a/schemas/session-replay/browser/record-schema.json b/schemas/session-replay/browser/record-schema.json
index dda42223..116d5e8f 100644
--- a/schemas/session-replay/browser/record-schema.json
+++ b/schemas/session-replay/browser/record-schema.json
@@ -25,6 +25,9 @@
     },
     {
       "$ref": "frustration-record-schema.json"
+    },
+    {
+      "$ref": "change-record-schema.json"
     }
   ]
 }