diff --git a/packages/payload/src/uploads/types.ts b/packages/payload/src/uploads/types.ts
index 729c40e0329..69f7317b3c7 100644
--- a/packages/payload/src/uploads/types.ts
+++ b/packages/payload/src/uploads/types.ts
@@ -12,6 +12,15 @@ export type FileSize = {
   width: null | number
 }
 
+/**
+ * FileSize_P4 is a more precise type, and will replace FileSize in Payload v4.
+ * I am not encouraging users to use this type via tsdoc yet, in case we find more breaking changes to do prior to v4.
+ * @internal
+ */
+export type FileSize_P4 = {
+  url: null | string
+} & FileSize
+
 export type FileSizes = {
   [size: string]: FileSize
 }
diff --git a/packages/richtext-lexical/src/exports/react/components/RichText/converter/converters/upload.tsx b/packages/richtext-lexical/src/exports/react/components/RichText/converter/converters/upload.tsx
index 59b724c604c..0eebaceb2f1 100644
--- a/packages/richtext-lexical/src/exports/react/components/RichText/converter/converters/upload.tsx
+++ b/packages/richtext-lexical/src/exports/react/components/RichText/converter/converters/upload.tsx
@@ -1,23 +1,25 @@
-import type { FileData, FileSize, TypeWithID } from 'payload'
+import type { FileSize_P4 } from 'payload'
 
+import type { UploadData_P4 } from '../../../../../../features/upload/server/nodes/UploadNode.js'
 import type { SerializedUploadNode } from '../../../../../../nodeTypes.js'
 import type { JSXConverters } from '../types.js'
 
 export const UploadJSXConverter: JSXConverters<SerializedUploadNode> = {
   upload: ({ node }) => {
-    const uploadDocument: {
-      value?: FileData & TypeWithID
-    } = node as any
-
-    const url = uploadDocument?.value?.url
+    // TO-DO (v4): SerializedUploadNode should use UploadData_P4
+    const uploadDocument = node as UploadData_P4
+    if (typeof uploadDocument.value !== 'object') {
+      return null
+    }
+    const url = uploadDocument.value.url
 
     /**
      * If the upload is not an image, return a link to the upload
      */
-    if (!uploadDocument?.value?.mimeType?.startsWith('image')) {
+    if (!uploadDocument.value.mimeType.startsWith('image')) {
       return (
         <a href={url} rel="noopener noreferrer">
-          {uploadDocument.value?.filename}
+          {uploadDocument.value.filename}
         </a>
       )
     }
@@ -25,13 +27,13 @@ export const UploadJSXConverter: JSXConverters<SerializedUploadNode> = {
     /**
      * If the upload is a simple image with no different sizes, return a simple img tag
      */
-    if (!uploadDocument?.value?.sizes || !Object.keys(uploadDocument?.value?.sizes).length) {
+    if (!Object.keys(uploadDocument.value.sizes).length) {
       return (
         <img
-          alt={uploadDocument?.value?.filename}
-          height={uploadDocument?.value?.height}
+          alt={uploadDocument.value.filename}
+          height={uploadDocument.value.height}
           src={url}
-          width={uploadDocument?.value?.width}
+          width={uploadDocument.value.width}
         />
       )
     }
@@ -42,13 +44,12 @@ export const UploadJSXConverter: JSXConverters<SerializedUploadNode> = {
     const pictureJSX: React.ReactNode[] = []
 
     // Iterate through each size in the data.sizes object
-    for (const size in uploadDocument.value?.sizes) {
-      const imageSize: {
-        url?: string
-      } & FileSize = uploadDocument.value?.sizes[size]
+    for (const size in uploadDocument.value.sizes) {
+      const imageSize = uploadDocument.value.sizes[size] as FileSize_P4
 
       // Skip if any property of the size object is null
       if (
+        !imageSize ||
         !imageSize.width ||
         !imageSize.height ||
         !imageSize.mimeType ||
diff --git a/packages/richtext-lexical/src/features/upload/server/nodes/UploadNode.tsx b/packages/richtext-lexical/src/features/upload/server/nodes/UploadNode.tsx
index 95875fcc8bb..688d2aa295d 100644
--- a/packages/richtext-lexical/src/features/upload/server/nodes/UploadNode.tsx
+++ b/packages/richtext-lexical/src/features/upload/server/nodes/UploadNode.tsx
@@ -8,7 +8,7 @@ import type {
   NodeKey,
   Spread,
 } from 'lexical'
-import type { CollectionSlug, DataFromCollectionSlug, JsonObject } from 'payload'
+import type { FileData, JsonObject, TypedCollection, TypeWithID } from 'payload'
 import type { JSX } from 'react'
 
 import { DecoratorBlockNode } from '@lexical/react/LexicalDecoratorBlockNode.js'
@@ -17,15 +17,27 @@ import { $applyNodeReplacement } from 'lexical'
 import * as React from 'react'
 
 export type UploadData<TUploadExtraFieldsData extends JsonObject = JsonObject> = {
-  [TCollectionSlug in CollectionSlug]: {
-    fields: TUploadExtraFieldsData
-    // Every lexical node that has sub-fields needs to have a unique ID. This is the ID of this upload node, not the ID of the linked upload document
-    id: string
-    relationTo: TCollectionSlug
-    // Value can be just the document ID, or the full, populated document
-    value: DataFromCollectionSlug<TCollectionSlug> | number | string
-  }
-}[CollectionSlug]
+  fields: TUploadExtraFieldsData
+  /** Every lexical node that has sub-fields needs to have a unique ID. This is the ID of this upload node, not the ID of the linked upload document */
+  id: string
+  relationTo: string
+  /** Value can be just the document ID, or the full, populated document */
+  value: number | string | TypedCollection
+}
+
+/**
+ * UploadData_P4 is a more precise type, and will replace UploadData in Payload v4.
+ * I am not encouraging users to use this type via tsdoc yet, in case we find more breaking changes to do prior to v4.
+ * @internal
+ */
+export type UploadData_P4<TUploadExtraFieldsData extends JsonObject = JsonObject> = {
+  fields: TUploadExtraFieldsData
+  // Every lexical node that has sub-fields needs to have a unique ID. This is the ID of this upload node, not the ID of the linked upload document
+  id: string
+  relationTo: string
+  // Value can be just the document ID, or the full, populated document
+  value: (FileData & TypeWithID) | number | string
+}
 
 export function isGoogleDocCheckboxImg(img: HTMLImageElement): boolean {
   return (