Update the frontend to support async nodes.

src/components/graph/GraphCanvas.vue

@@ -72,7 +72,6 @@ import { useWorkflowAutoSave } from '@/composables/useWorkflowAutoSave'
 import { useWorkflowPersistence } from '@/composables/useWorkflowPersistence'
 import { CORE_SETTINGS } from '@/constants/coreSettings'
 import { i18n, t } from '@/i18n'
-import type { NodeId } from '@/schemas/comfyWorkflowSchema'
 import { UnauthorizedError, api } from '@/scripts/api'
 import { app as comfyApp } from '@/scripts/app'
 import { ChangeTracker } from '@/scripts/changeTracker'
@@ -191,22 +190,46 @@ watch(
   }
 )
 
-// Update the progress of the executing node
+// Update the progress of executing nodes
 watch(
-  () =>
-    [
-      executionStore.executingNodeId,
-      executionStore.executingNodeProgress
-    ] satisfies [NodeId | null, number | null],
-  ([executingNodeId, executingNodeProgress]) => {
+  () => executionStore.nodeProgressStates,
+  (nodeProgressStates) => {
+    // Clear progress for all nodes first
     for (const node of comfyApp.graph.nodes) {
-      if (node.id == executingNodeId) {
-        node.progress = executingNodeProgress ?? undefined
-      } else {
-        node.progress = undefined
+      node.progress = undefined
+    }
+
+    // Then set progress for nodes with progress states
+    for (const nodeId in nodeProgressStates) {
+      const progressState = nodeProgressStates[nodeId]
+      const node = comfyApp.graph.getNodeById(progressState.display_node_id)
+
+      if (node && progressState) {
+        // Only show progress for running nodes
+        if (progressState.state === 'running') {
+          if (node.progress === undefined || node.progress === 0.0) {
+            console.log(
+              `${Date.now()} Setting progress for node ${node.id} to ${progressState.value / progressState.max}=${progressState.value}/${progressState.max} due to ${nodeId}`
+            )
+            node.progress = progressState.value / progressState.max
+          } else {
+            // Update progress if it was already set
+            console.log(
+              `${Date.now()} Setting progress for node ${node.id} to Math.min(${node.progress}, ${progressState.value / progressState.max}=${progressState.value}/${progressState.max}) due to ${nodeId}`
+            )
+            node.progress = Math.min(
+              node.progress,
+              progressState.value / progressState.max
+            )
+          }
+        }
       }
     }
-  }
+
+    // TODO - Do we need to force canvas redraw here?
+    // comfyApp.graph.setDirtyCanvas(true, true)
+  },
+  { deep: true }
 )
 
 // Update node slot errors

src/components/graph/widgets/TextPreviewWidget.vue

@@ -20,33 +20,44 @@ import { useExecutionStore } from '@/stores/executionStore'
 import { linkifyHtml, nl2br } from '@/utils/formatUtil'
 
 const modelValue = defineModel<string>({ required: true })
-defineProps<{
+const props = defineProps<{
   widget?: object
+  nodeId: NodeId
 }>()
 
 const executionStore = useExecutionStore()
 const isParentNodeExecuting = ref(true)
 const formattedText = computed(() => nl2br(linkifyHtml(modelValue.value)))
 
-let executingNodeId: NodeId | null = null
+let parentNodeId: NodeId | null = null
 onMounted(() => {
-  executingNodeId = executionStore.executingNodeId
+  // Get the parent node ID from props if provided
+  // For backward compatibility, fall back to the first executing node
+  parentNodeId = props.nodeId
 })
 
 // Watch for either a new node has starting execution or overall execution ending
 const stopWatching = watch(
-  [() => executionStore.executingNode, () => executionStore.isIdle],
+  [() => executionStore.executingNodeIds, () => executionStore.isIdle],
   () => {
+    if (executionStore.isIdle) {
+      isParentNodeExecuting.value = false
+      stopWatching()
+      return
+    }
+
+    // Check if parent node is no longer in the executing nodes list
     if (
-      executionStore.isIdle ||
-      (executionStore.executingNode &&
-        executionStore.executingNode.id !== executingNodeId)
+      parentNodeId &&
+      !executionStore.executingNodeIds.includes(parentNodeId)
     ) {
       isParentNodeExecuting.value = false
       stopWatching()
     }
-    if (!executingNodeId) {
-      executingNodeId = executionStore.executingNodeId
+
+    // Set parent node ID if not set yet
+    if (!parentNodeId && executionStore.executingNodeIds.length > 0) {
+      parentNodeId = executionStore.executingNodeIds[0]
     }
   }
 )

src/composables/useBrowserTabTitle.ts

@@ -1,6 +1,7 @@
 import { useTitle } from '@vueuse/core'
 import { computed } from 'vue'
 
+import { t } from '@/i18n'
 import { useExecutionStore } from '@/stores/executionStore'
 import { useSettingStore } from '@/stores/settingStore'
 import { useWorkflowStore } from '@/stores/workflowStore'
@@ -36,11 +37,35 @@ export const useBrowserTabTitle = () => {
       : DEFAULT_TITLE
   })
 
-  const nodeExecutionTitle = computed(() =>
-    executionStore.executingNode && executionStore.executingNodeProgress
-      ? `${executionText.value}[${Math.round(executionStore.executingNodeProgress * 100)}%] ${executionStore.executingNode.type}`
-      : ''
-  )
+  const nodeExecutionTitle = computed(() => {
+    // Check if any nodes are in progress
+    const nodeProgressEntries = Object.entries(
+      executionStore.nodeProgressStates
+    )
+    const runningNodes = nodeProgressEntries.filter(
+      ([_, state]) => state.state === 'running'
+    )
+
+    if (runningNodes.length > 0) {
+      // If multiple nodes are running
+      if (runningNodes.length > 1) {
+        return `${executionText.value}[${runningNodes.length} ${t('g.nodesRunning', 'nodes running')}]`
+      }
+      // If only one node is running
+      else {
+        const [nodeId, state] = runningNodes[0]
+        const progress = Math.round((state.value / state.max) * 100)
+        const nodeType =
+          executionStore.activePrompt?.workflow?.changeTracker?.activeState?.nodes.find(
+            (n) => String(n.id) === nodeId
+          )?.type || 'Node'
+
+        return `${executionText.value}[${progress}%] ${nodeType}`
+      }
+    }
+
+    return ''
+  })
 
   const workflowTitle = computed(
     () =>

src/composables/widgets/useProgressTextWidget.ts

@@ -23,6 +23,9 @@ export const useTextPreviewWidget = (
       name: inputSpec.name,
       component: TextPreviewWidget,
       inputSpec,
+      componentProps: {
+        nodeId: node.id
+      },
       options: {
         getValue: () => widgetValue.value,
         setValue: (value: string | object) => {

src/extensions/core/groupNode.ts

@@ -9,6 +9,7 @@ import {
 } from '@/schemas/comfyWorkflowSchema'
 import type { ComfyNodeDef } from '@/schemas/nodeDefSchema'
 import { useDialogService } from '@/services/dialogService'
+import { useExecutionStore } from '@/stores/executionStore'
 import { useNodeDefStore } from '@/stores/nodeDefStore'
 import { useToastStore } from '@/stores/toastStore'
 import { useWidgetStore } from '@/stores/widgetStore'
@@ -1178,9 +1179,10 @@ export class GroupNodeHandler {
     node.onDrawForeground = function (ctx) {
       // @ts-expect-error fixme ts strict error
       onDrawForeground?.apply?.(this, arguments)
+      const executionStore = useExecutionStore()
       if (
-        // @ts-expect-error fixme ts strict error
-        +app.runningNodeId === this.id &&
+        executionStore.nodeProgressStates[this.id] &&
+        executionStore.nodeProgressStates[this.id].state === 'running' &&
         this.runningInternalNodeId !== null
       ) {
         // @ts-expect-error fixme ts strict error
@@ -1275,6 +1277,45 @@ export class GroupNodeHandler {
       // @ts-expect-error fixme ts strict error
       (_, id) => id
     )
+    /*
+    // Handle progress_state events for multiple executing nodes
+    const progress_state = handleEvent.call(
+      this,
+      'progress_state',
+      (d) => {
+        // Check if any of our inner nodes are in this progress state update
+        for (const nodeId in d.nodes) {
+          const innerNodeIndex = this.innerNodes?.findIndex((n) => n.id == nodeId);
+          if (innerNodeIndex > -1) return nodeId;
+        }
+        return null;
+      },
+      (d, id, node) => {
+        // Create a new progress_state event with just our group node
+        const newProgressState = { ...d };
+        newProgressState.nodes = { [id]: { 
+          node: id, 
+          state: 'running',
+          value: 0,
+          max: 1,
+          prompt_id: d.prompt_id 
+        }};
+        
+        // If we have a specific running internal node, update its state
+        if (node.runningInternalNodeId !== null) {
+          const innerNodeId = this.innerNodes[node.runningInternalNodeId].id;
+          if (d.nodes[innerNodeId]) {
+            newProgressState.nodes[id] = {
+              ...d.nodes[innerNodeId],
+              node: id
+            };
+          }
+        }
+        
+        return newProgressState;
+      }
+    );
+    */
 
     const executed = handleEvent.call(
       this,
@@ -1294,6 +1335,7 @@ export class GroupNodeHandler {
     this.node.onRemoved = function () {
       // @ts-expect-error fixme ts strict error
       onRemoved?.apply(this, arguments)
+      // api.removeEventListener('progress_state', progress_state)
       api.removeEventListener('executing', executing)
       api.removeEventListener('executed', executed)
     }

src/locales/en/main.json

@@ -133,7 +133,8 @@
     "copyURL": "Copy URL",
     "releaseTitle": "{package} {version} Release",
     "progressCountOf": "of",
-    "keybindingAlreadyExists": "Keybinding already exists on"
+    "keybindingAlreadyExists": "Keybinding already exists on",
+    "nodesRunning": "nodes running"
   },
   "manager": {
     "title": "Custom Nodes Manager",
@@ -1490,4 +1491,4 @@
   "whatsNewPopup": {
     "learnMore": "Learn more"
   }
-}
+}

src/schemas/apiSchema.ts

@@ -48,6 +48,22 @@ const zProgressWsMessage = z.object({
   node: zNodeId
 })
 
+const zNodeProgressState = z.object({
+  value: z.number(),
+  max: z.number(),
+  state: z.enum(['pending', 'running', 'finished', 'error']),
+  node_id: zNodeId,
+  prompt_id: zPromptId,
+  display_node_id: zNodeId.optional(),
+  parent_node_id: zNodeId.optional(),
+  real_node_id: zNodeId.optional()
+})
+
+const zProgressStateWsMessage = z.object({
+  prompt_id: zPromptId,
+  nodes: z.record(zNodeId, zNodeProgressState)
+})
+
 const zExecutingWsMessage = z.object({
   node: zNodeId,
   display_node: zNodeId,
@@ -132,6 +148,8 @@ export type ProgressTextWsMessage = z.infer<typeof zProgressTextWsMessage>
 export type DisplayComponentWsMessage = z.infer<
   typeof zDisplayComponentWsMessage
 >
+export type NodeProgressState = z.infer<typeof zNodeProgressState>
+export type ProgressStateWsMessage = z.infer<typeof zProgressStateWsMessage>
 // End of ws messages
 
 const zPromptInputItem = z.object({

src/scripts/api.ts

@@ -15,6 +15,7 @@ import type {
   LogsRawResponse,
   LogsWsMessage,
   PendingTaskItem,
+  ProgressStateWsMessage,
   ProgressTextWsMessage,
   ProgressWsMessage,
   PromptResponse,
@@ -103,7 +104,17 @@ interface BackendApiCalls {
   logs: LogsWsMessage
   /** Binary preview/progress data */
   b_preview: Blob
+  /** Binary preview with metadata (node_id, prompt_id) */
+  b_preview_with_metadata: {
+    blob: Blob
+    nodeId: string
+    parentNodeId: string
+    displayNodeId: string
+    realNodeId: string
+    promptId: string
+  }
   progress_text: ProgressTextWsMessage
+  progress_state: ProgressStateWsMessage
   display_component: DisplayComponentWsMessage
 }
 
@@ -432,6 +443,33 @@ export class ComfyApi extends EventTarget {
               })
               this.dispatchCustomEvent('b_preview', imageBlob)
               break
+            case 4:
+              // PREVIEW_IMAGE_WITH_METADATA
+              const decoder4 = new TextDecoder()
+              const metadataLength = view.getUint32(4)
+              const metadataBytes = event.data.slice(8, 8 + metadataLength)
+              const metadata = JSON.parse(decoder4.decode(metadataBytes))
+              const imageData4 = event.data.slice(8 + metadataLength)
+
+              let imageMime4 = metadata.image_type
+
+              const imageBlob4 = new Blob([imageData4], {
+                type: imageMime4
+              })
+
+              // Dispatch enhanced preview event with metadata
+              this.dispatchCustomEvent('b_preview_with_metadata', {
+                blob: imageBlob4,
+                nodeId: metadata.node_id,
+                displayNodeId: metadata.display_node_id,
+                parentNodeId: metadata.parent_node_id,
+                realNodeId: metadata.real_node_id,
+                promptId: metadata.prompt_id
+              })
+
+              // Also dispatch legacy b_preview for backward compatibility
+              this.dispatchCustomEvent('b_preview', imageBlob4)
+              break
             default:
               throw new Error(
                 `Unknown binary websocket message of type ${eventType}`
@@ -461,6 +499,7 @@ export class ComfyApi extends EventTarget {
             case 'execution_cached':
             case 'execution_success':
             case 'progress':
+            case 'progress_state':
             case 'executed':
             case 'graphChanged':
             case 'promptQueued':

src/scripts/app.ts

@@ -194,6 +194,8 @@ export class ComfyApp {
 
   /**
    * @deprecated Use useExecutionStore().executingNodeId instead
+   * TODO: Update to support multiple executing nodes. This getter returns only the first executing node.
+   * Consider updating consumers to handle multiple nodes or use executingNodeIds array.
    */
   get runningNodeId(): NodeId | null {
     return useExecutionStore().executingNodeId
@@ -635,10 +637,6 @@ export class ComfyApp {
 
     api.addEventListener('executing', () => {
       this.graph.setDirtyCanvas(true, false)
-      // @ts-expect-error fixme ts strict error
-      this.revokePreviews(this.runningNodeId)
-      // @ts-expect-error fixme ts strict error
-      delete this.nodePreviewImages[this.runningNodeId]
     })
 
     api.addEventListener('executed', ({ detail }) => {
@@ -689,15 +687,13 @@ export class ComfyApp {
       this.canvas.draw(true, true)
     })
 
-    api.addEventListener('b_preview', ({ detail }) => {
-      const id = this.runningNodeId
-      if (id == null) return
-
-      const blob = detail
+    api.addEventListener('b_preview_with_metadata', ({ detail }) => {
+      // Enhanced preview with explicit node context
+      const { blob, displayNodeId } = detail
+      this.revokePreviews(displayNodeId)
       const blobUrl = URL.createObjectURL(blob)
-      // Ensure clean up if `executing` event is missed.
-      this.revokePreviews(id)
-      this.nodePreviewImages[id] = [blobUrl]
+      // Preview cleanup is now handled in progress_state event to support multiple concurrent previews
+      this.nodePreviewImages[displayNodeId] = [blobUrl]
     })
 
     api.init()

src/scripts/domWidget.ts

@@ -237,6 +237,7 @@ export class ComponentWidgetImpl<
     component: Component
     inputSpec: InputSpec
     props?: P
+    componentProps?: Record<string, unknown>
     options: DOMWidgetOptions<V>
   }) {
     super({
@@ -245,7 +246,9 @@ export class ComponentWidgetImpl<
     })
     this.component = obj.component
     this.inputSpec = obj.inputSpec
-    this.props = obj.props
+    this.props = obj.componentProps
+      ? ({ ...obj.props, ...obj.componentProps } as P)
+      : obj.props
   }
 
   override computeLayoutSize() {

src/services/litegraphService.ts

@@ -33,6 +33,7 @@ import type {
 import type { ComfyNodeDef as ComfyNodeDefV1 } from '@/schemas/nodeDefSchema'
 import { ComfyApp, app } from '@/scripts/app'
 import { $el } from '@/scripts/ui'
+import { useExecutionStore } from '@/stores/executionStore'
 import { useCanvasStore } from '@/stores/graphStore'
 import { useNodeOutputStore } from '@/stores/imagePreviewStore'
 import { ComfyNodeDefImpl } from '@/stores/nodeDefStore'
@@ -362,7 +363,12 @@ export const useLitegraphService = () => {
        */
       #setupStrokeStyles() {
         this.strokeStyles['running'] = function (this: LGraphNode) {
-          if (this.id == app.runningNodeId) {
+          const nodeProgressStates = useExecutionStore().nodeProgressStates
+          const nodeId = String(this.id)
+          if (
+            nodeProgressStates[nodeId] &&
+            nodeProgressStates[nodeId].state === 'running'
+          ) {
             return { color: '#0f0' }
           }
         }

src/stores/executionStore.ts

@@ -12,6 +12,8 @@ import type {
   ExecutionErrorWsMessage,
   ExecutionStartWsMessage,
   NodeError,
+  NodeProgressState,
+  ProgressStateWsMessage,
   ProgressTextWsMessage,
   ProgressWsMessage
 } from '@/schemas/apiSchema'
@@ -46,7 +48,22 @@ export const useExecutionStore = defineStore('execution', () => {
   const queuedPrompts = ref<Record<NodeId, QueuedPrompt>>({})
   const lastNodeErrors = ref<Record<NodeId, NodeError> | null>(null)
   const lastExecutionError = ref<ExecutionErrorWsMessage | null>(null)
-  const executingNodeId = ref<NodeId | null>(null)
+  // This is the progress of all nodes in the currently executing workflow
+  const nodeProgressStates = ref<Record<string, NodeProgressState>>({})
+
+  // Easily access all currently executing node IDs
+  const executingNodeIds = computed<NodeId[]>(() => {
+    return Object.entries(nodeProgressStates)
+      .filter(([_, state]) => state.state === 'running')
+      .map(([nodeId, _]) => nodeId)
+  })
+
+  // For backward compatibility - stores the primary executing node ID
+  const executingNodeId = computed<NodeId | null>(() => {
+    return executingNodeIds.value.length > 0 ? executingNodeIds.value[0] : null
+  })
+
+  // For backward compatibility - returns the primary executing node
   const executingNode = computed<ComfyNode | null>(() => {
     if (!executingNodeId.value) return null
 
@@ -116,7 +133,7 @@ export const useExecutionStore = defineStore('execution', () => {
     }
   }
 
-  // This is the progress of the currently executing node, if any
+  // This is the progress of the currently executing node (for backward compatibility)
   const _executingNodeProgress = ref<ProgressWsMessage | null>(null)
   const executingNodeProgress = computed(() =>
     _executingNodeProgress.value
@@ -153,6 +170,7 @@ export const useExecutionStore = defineStore('execution', () => {
     api.addEventListener('executed', handleExecuted)
     api.addEventListener('executing', handleExecuting)
     api.addEventListener('progress', handleProgress)
+    api.addEventListener('progress_state', handleProgressState)
     api.addEventListener('status', handleStatus)
     api.addEventListener('execution_error', handleExecutionError)
   }
@@ -165,6 +183,7 @@ export const useExecutionStore = defineStore('execution', () => {
     api.removeEventListener('executed', handleExecuted)
     api.removeEventListener('executing', handleExecuting)
     api.removeEventListener('progress', handleProgress)
+    api.removeEventListener('progress_state', handleProgressState)
     api.removeEventListener('status', handleStatus)
     api.removeEventListener('execution_error', handleExecutionError)
     api.removeEventListener('progress_text', handleProgressText)
@@ -194,19 +213,41 @@ export const useExecutionStore = defineStore('execution', () => {
 
     if (!activePrompt.value) return
 
-    if (executingNodeId.value && activePrompt.value) {
-      // Seems sometimes nodes that are cached fire executing but not executed
-      activePrompt.value.nodes[executingNodeId.value] = true
+    // Update the executing nodes list
+    if (e.detail === null) {
+      if (activePromptId.value) {
+        delete queuedPrompts.value[activePromptId.value]
+      }
     }
-    if (typeof e.detail === 'string') {
-      executingNodeId.value = executionIdToCurrentId(e.detail) ?? null
-    } else {
-      executingNodeId.value = e.detail
-      if (executingNodeId.value === null) {
-        if (activePromptId.value) {
-          delete queuedPrompts.value[activePromptId.value]
-        }
-        activePromptId.value = null
+  }
+
+  function handleProgressState(e: CustomEvent<ProgressStateWsMessage>) {
+    const { nodes } = e.detail
+
+    // Revoke previews for nodes that are starting to execute
+    for (const nodeId in nodes) {
+      const nodeState = nodes[nodeId]
+      if (nodeState.state === 'running' && !nodeProgressStates.value[nodeId]) {
+        // This node just started executing, revoke its previews
+        // Note that we're doing the *actual* node id instead of the display node id
+        // here intentionally. That way, we don't clear the preview every time a new node
+        // within an expanded graph starts executing.
+        app.revokePreviews(nodeId)
+        delete app.nodePreviewImages[nodeId]
+      }
+    }
+
+    // Update the progress states for all nodes
+    nodeProgressStates.value = nodes
+
+    // If we have progress for the currently executing node, update it for backwards compatibility
+    if (executingNodeId.value && nodes[executingNodeId.value]) {
+      const nodeState = nodes[executingNodeId.value]
+      _executingNodeProgress.value = {
+        value: nodeState.value,
+        max: nodeState.max,
+        prompt_id: nodeState.prompt_id,
+        node: nodeState.display_node_id || nodeState.node_id
       }
     }
   }
@@ -310,9 +351,13 @@ export const useExecutionStore = defineStore('execution', () => {
      */
     lastExecutionError,
     /**
-     * The id of the node that is currently being executed
+     * The id of the node that is currently being executed (backward compatibility)
      */
     executingNodeId,
+    /**
+     * The list of all nodes that are currently executing
+     */
+    executingNodeIds,
     /**
      * The prompt that is currently being executed
      */
@@ -330,13 +375,17 @@ export const useExecutionStore = defineStore('execution', () => {
      */
     executionProgress,
     /**
-     * The node that is currently being executed
+     * The node that is currently being executed (backward compatibility)
      */
     executingNode,
     /**
-     * The progress of the executing node (if the node reports progress)
+     * The progress of the executing node (backward compatibility)
      */
     executingNodeProgress,
+    /**
+     * All node progress states from progress_state events
+     */
+    nodeProgressStates,
     bindExecutionEvents,
     unbindExecutionEvents,
     storePrompt,

tests-ui/tests/composables/BrowserTabTitle.spec.ts

@@ -3,12 +3,20 @@ import { nextTick, reactive } from 'vue'
 
 import { useBrowserTabTitle } from '@/composables/useBrowserTabTitle'
 
+// Mock i18n module
+vi.mock('@/i18n', () => ({
+  t: (key: string, fallback: string) =>
+    key === 'g.nodesRunning' ? 'nodes running' : fallback
+}))
+
 // Mock the execution store
 const executionStore = reactive({
   isIdle: true,
   executionProgress: 0,
   executingNode: null as any,
-  executingNodeProgress: 0
+  executingNodeProgress: 0,
+  nodeProgressStates: {} as any,
+  activePrompt: null as any
 })
 vi.mock('@/stores/executionStore', () => ({
   useExecutionStore: () => executionStore
@@ -37,6 +45,8 @@ describe('useBrowserTabTitle', () => {
     executionStore.executionProgress = 0
     executionStore.executingNode = null as any
     executionStore.executingNodeProgress = 0
+    executionStore.nodeProgressStates = {}
+    executionStore.activePrompt = null
 
     // reset setting and workflow stores
     ;(settingStore.get as any).mockReturnValue('Enabled')
@@ -97,13 +107,41 @@ describe('useBrowserTabTitle', () => {
     expect(document.title).toBe('[30%]ComfyUI')
   })
 
-  it('shows node execution title when executing a node', async () => {
+  it('shows node execution title when executing a node using nodeProgressStates', async () => {
     executionStore.isIdle = false
     executionStore.executionProgress = 0.4
-    executionStore.executingNodeProgress = 0.5
-    executionStore.executingNode = { type: 'Foo' }
+    executionStore.nodeProgressStates = {
+      '1': { state: 'running', value: 5, max: 10, node: '1', prompt_id: 'test' }
+    }
+    executionStore.activePrompt = {
+      workflow: {
+        changeTracker: {
+          activeState: {
+            nodes: [{ id: 1, type: 'Foo' }]
+          }
+        }
+      }
+    }
     useBrowserTabTitle()
     await nextTick()
     expect(document.title).toBe('[40%][50%] Foo')
   })
+
+  it('shows multiple nodes running when multiple nodes are executing', async () => {
+    executionStore.isIdle = false
+    executionStore.executionProgress = 0.4
+    executionStore.nodeProgressStates = {
+      '1': {
+        state: 'running',
+        value: 5,
+        max: 10,
+        node: '1',
+        prompt_id: 'test'
+      },
+      '2': { state: 'running', value: 8, max: 10, node: '2', prompt_id: 'test' }
+    }
+    useBrowserTabTitle()
+    await nextTick()
+    expect(document.title).toBe('[40%][2 nodes running]')
+  })
 })