diff --git a/webapp/src/components/addContentMenuItem.test.tsx b/webapp/src/components/addContentMenuItem.test.tsx
index 6c16e3a3a..e25a957cf 100644
--- a/webapp/src/components/addContentMenuItem.test.tsx
+++ b/webapp/src/components/addContentMenuItem.test.tsx
@@ -67,7 +67,7 @@ describe('components/addContentMenuItem', () => {
         expect(container).toMatchSnapshot()
         const buttonElement = screen.getByRole('button', {name: 'text'})
         userEvent.click(buttonElement)
-        await waitFor(() => expect(mockedMutator.performAsUndoGroup).toBeCalled())
+        await waitFor(() => expect(mockedMutator.insertBlock).toBeCalled())
     })
 
     test('return a checkbox menu item', async () => {
@@ -83,7 +83,7 @@ describe('components/addContentMenuItem', () => {
         expect(container).toMatchSnapshot()
         const buttonElement = screen.getByRole('button', {name: 'checkbox'})
         userEvent.click(buttonElement)
-        await waitFor(() => expect(mockedMutator.performAsUndoGroup).toBeCalled())
+        await waitFor(() => expect(mockedMutator.insertBlock).toBeCalled())
     })
 
     test('return a divider menu item', async () => {
@@ -99,7 +99,7 @@ describe('components/addContentMenuItem', () => {
         expect(container).toMatchSnapshot()
         const buttonElement = screen.getByRole('button', {name: 'divider'})
         userEvent.click(buttonElement)
-        await waitFor(() => expect(mockedMutator.performAsUndoGroup).toBeCalled())
+        await waitFor(() => expect(mockedMutator.insertBlock).toBeCalled())
     })
 
     test('return an error and empty element from unknown type', () => {
diff --git a/webapp/src/components/addContentMenuItem.tsx b/webapp/src/components/addContentMenuItem.tsx
index 3292f6f16..746c9182a 100644
--- a/webapp/src/components/addContentMenuItem.tsx
+++ b/webapp/src/components/addContentMenuItem.tsx
@@ -6,7 +6,9 @@ import {useIntl} from 'react-intl'
 
 import {BlockTypes} from '../blocks/block'
 import {Card} from '../blocks/card'
+import {Block} from '../blocks/block'
 import mutator from '../mutator'
+import octoClient from '../octoClient'
 import {Utils} from '../utils'
 import Menu from '../widgets/menu'
 
@@ -21,7 +23,6 @@ type Props = {
 const AddContentMenuItem = (props:Props): JSX.Element => {
     const {card, type, cords} = props
     const index = cords.x
-    const contentOrder = card.fields.contentOrder.slice()
     const intl = useIntl()
 
     const handler = contentRegistry.getHandler(type)
@@ -43,11 +44,19 @@ const AddContentMenuItem = (props:Props): JSX.Element => {
 
                 const typeName = handler.getDisplayText(intl)
                 const description = intl.formatMessage({id: 'ContentBlock.addElement', defaultMessage: 'add {type}'}, {type: typeName})
-                mutator.performAsUndoGroup(async () => {
-                    const insertedBlock = await mutator.insertBlock(newBlock.boardId, newBlock, description)
-                    contentOrder.splice(index, 0, insertedBlock.id)
-                    await mutator.changeCardContentOrder(card.boardId, card.id, card.fields.contentOrder, contentOrder, description)
-                })
+
+                const afterRedo = async (nb: Block) => {
+                    const contentOrder = card.fields.contentOrder.slice()
+                    contentOrder.splice(index, 0, nb.id)
+                    await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+                }
+
+                const beforeUndo = async () => {
+                    const contentOrder = card.fields.contentOrder.slice()
+                    await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+                }
+
+                await mutator.insertBlock(newBlock.boardId, newBlock, description, afterRedo, beforeUndo)
             }}
         />
     )
diff --git a/webapp/src/components/cardDetail/cardDetailContents.tsx b/webapp/src/components/cardDetail/cardDetailContents.tsx
index 5bd468836..cb90cd6f1 100644
--- a/webapp/src/components/cardDetail/cardDetailContents.tsx
+++ b/webapp/src/components/cardDetail/cardDetailContents.tsx
@@ -6,7 +6,9 @@ import {useIntl, IntlShape} from 'react-intl'
 import {IContentBlockWithCords, ContentBlock as ContentBlockType} from '../../blocks/contentBlock'
 import {Card} from '../../blocks/card'
 import {createTextBlock} from '../../blocks/textBlock'
+import {Block} from '../../blocks/block'
 import mutator from '../../mutator'
+import octoClient from '../../octoClient'
 import {useSortableWithGrip} from '../../hooks/sortable'
 
 import ContentBlock from '../contentBlock'
@@ -25,19 +27,26 @@ type Props = {
     readonly: boolean
 }
 
-function addTextBlock(card: Card, intl: IntlShape, text: string): void {
+async function addTextBlock(card: Card, intl: IntlShape, text: string): Promise<Block> {
     const block = createTextBlock()
     block.parentId = card.id
     block.boardId = card.boardId
     block.title = text
 
-    mutator.performAsUndoGroup(async () => {
-        const description = intl.formatMessage({id: 'CardDetail.addCardText', defaultMessage: 'add card text'})
-        const insertedBlock = await mutator.insertBlock(block.boardId, block, description)
+    const description = intl.formatMessage({id: 'CardDetail.addCardText', defaultMessage: 'add card text'})
+
+    const afterRedo = async (newBlock: Block) => {
         const contentOrder = card.fields.contentOrder.slice()
-        contentOrder.push(insertedBlock.id)
-        await mutator.changeCardContentOrder(card.boardId, card.id, card.fields.contentOrder, contentOrder, description)
-    })
+        contentOrder.push(newBlock.id)
+        await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+    }
+
+    const beforeUndo = async () => {
+        const contentOrder = card.fields.contentOrder.slice()
+        await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+    }
+
+    return mutator.insertBlock(block.boardId, block, description, afterRedo, beforeUndo)
 }
 
 function moveBlock(card: Card, srcBlock: IContentBlockWithCords, dstBlock: IContentBlockWithCords, intl: IntlShape, moveTo: Position): void {
diff --git a/webapp/src/components/cardDetail/cardDetailContext.tsx b/webapp/src/components/cardDetail/cardDetailContext.tsx
index 026cc99ea..38b87beaa 100644
--- a/webapp/src/components/cardDetail/cardDetailContext.tsx
+++ b/webapp/src/components/cardDetail/cardDetailContext.tsx
@@ -7,6 +7,7 @@ import {useIntl} from 'react-intl'
 import {Block} from '../../blocks/block'
 import {Card} from '../../blocks/card'
 import {ContentHandler} from '../content/contentRegistry'
+import octoClient from '../../octoClient'
 import mutator from '../../mutator'
 
 export type AddedBlock = {
@@ -50,14 +51,20 @@ export const CardDetailProvider = (props: CardDetailProps): ReactElement => {
         const typeName = handler.getDisplayText(intl)
         const description = intl.formatMessage({id: 'ContentBlock.addElement', defaultMessage: 'add {type}'}, {type: typeName})
         await mutator.performAsUndoGroup(async () => {
-            const insertedBlock = await mutator.insertBlock(block.boardId, block, description)
-            const contentOrder = card.fields.contentOrder.slice()
-            contentOrder.splice(index, 0, insertedBlock.id)
-            setLastAddedBlock({
-                id: insertedBlock.id,
-                autoAdded: auto,
-            })
-            await mutator.changeCardContentOrder(card.boardId, card.id, card.fields.contentOrder, contentOrder, description)
+
+            const afterRedo = async (newBlock: Block) => {
+                const contentOrder = card.fields.contentOrder.slice()
+                contentOrder.splice(index, 0, newBlock.id)
+                await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+            }
+
+            const beforeUndo = async () => {
+                const contentOrder = card.fields.contentOrder.slice()
+                await octoClient.patchBlock(card.boardId, card.id, {updatedFields: {contentOrder}})
+            }
+
+            const insertedBlock = await mutator.insertBlock(block.boardId, block, description, afterRedo, beforeUndo)
+            setLastAddedBlock({id: insertedBlock.id, autoAdded: auto})
         })
     }, [card.boardId, card.id, card.fields.contentOrder])
 
diff --git a/webapp/src/components/cardDetail/imagePaste.tsx b/webapp/src/components/cardDetail/imagePaste.tsx
index e94386b6d..a708e676e 100644
--- a/webapp/src/components/cardDetail/imagePaste.tsx
+++ b/webapp/src/components/cardDetail/imagePaste.tsx
@@ -6,6 +6,7 @@ import {useIntl} from 'react-intl'
 
 import {ImageBlock, createImageBlock} from '../../blocks/imageBlock'
 import {sendFlashMessage} from '../flashMessages'
+import {Block} from '../../blocks/block'
 import octoClient from '../../octoClient'
 import mutator from '../../mutator'
 
@@ -45,13 +46,18 @@ export default function useImagePaste(boardId: string, cardId: string, contentOr
             sendFlashMessage({content: intl.formatMessage({id: 'imagePaste.upload-failed', defaultMessage: 'Some files not uploaded. File size limit reached'}), severity: 'normal'})
         }
 
-        mutator.performAsUndoGroup(async () => {
-            const newContentBlocks = await mutator.insertBlocks(boardId, blocksToInsert, 'pasted images')
+        const afterRedo = async (newBlocks: Block[]) => {
             const newContentOrder = JSON.parse(JSON.stringify(contentOrder))
-            newContentOrder.push(...newContentBlocks.map((b: ImageBlock) => b.id))
+            newContentOrder.push(...newBlocks.map((b: Block) => b.id))
+            await octoClient.patchBlock(boardId, cardId, {updatedFields: {contentOrder: newContentOrder}})
+        }
 
-            await mutator.changeCardContentOrder(boardId, cardId, contentOrder, newContentOrder, 'paste image')
-        })
+        const beforeUndo = async () => {
+            const newContentOrder = JSON.parse(JSON.stringify(contentOrder))
+            await octoClient.patchBlock(boardId, cardId, {updatedFields: {contentOrder: newContentOrder}})
+        }
+
+        await mutator.insertBlocks(boardId, blocksToInsert, 'pasted images', afterRedo, beforeUndo)
     }, [cardId, contentOrder, boardId])
 
     const onDrop = useCallback((event: DragEvent): void => {