diff --git a/app/gui2/e2e/widgets.spec.ts b/app/gui2/e2e/widgets.spec.ts
index ca33d5a357a7..57f3925e5191 100644
--- a/app/gui2/e2e/widgets.spec.ts
+++ b/app/gui2/e2e/widgets.spec.ts
@@ -60,6 +60,10 @@ test('Selection widgets in Data.read node', async ({ page }) => {
   // Check initially visible arguments
   const node = locate.graphNodeByBinding(page, 'data')
   const argumentNames = node.locator('.WidgetArgumentName')
+  await expect(argumentNames).toHaveCount(1)
+
+  // Check arguments after selecting node
+  await node.click()
   await expect(argumentNames).toHaveCount(3)
 
   // Set value on `on_problems` (static drop-down)
@@ -129,6 +133,10 @@ test('Managing aggregates in `aggregate` node', async ({ page }) => {
   // Check initially visible arguments
   const node = locate.graphNodeByBinding(page, 'aggregated')
   const argumentNames = node.locator('.WidgetArgumentName')
+  await expect(argumentNames).toHaveCount(1)
+
+  // Check arguments after selecting node
+  await node.click()
   await expect(argumentNames).toHaveCount(3)
 
   // Add first aggregate
diff --git a/app/gui2/src/components/GraphEditor/GraphNode.vue b/app/gui2/src/components/GraphEditor/GraphNode.vue
index 83783d3f79de..35083440a710 100644
--- a/app/gui2/src/components/GraphEditor/GraphNode.vue
+++ b/app/gui2/src/components/GraphEditor/GraphNode.vue
@@ -436,6 +436,7 @@ const documentation = computed<string | undefined>(() => props.node.documentatio
         :icon="icon"
         :connectedSelfArgumentId="connectedSelfArgumentId"
         :potentialSelfArgumentId="potentialSelfArgumentId"
+        :extended="isOnlyOneSelected"
         @openFullMenu="openFullMenu"
       />
     </div>
diff --git a/app/gui2/src/components/GraphEditor/NodeWidgetTree.vue b/app/gui2/src/components/GraphEditor/NodeWidgetTree.vue
index b841b2557094..d043fbaf44b2 100644
--- a/app/gui2/src/components/GraphEditor/NodeWidgetTree.vue
+++ b/app/gui2/src/components/GraphEditor/NodeWidgetTree.vue
@@ -15,6 +15,7 @@ const props = defineProps<{
   icon: Icon
   connectedSelfArgumentId: Ast.AstId | undefined
   potentialSelfArgumentId: Ast.AstId | undefined
+  extended: boolean
 }>()
 const emit = defineEmits<{
   openFullMenu: []
@@ -69,6 +70,7 @@ provideWidgetTree(
   toRef(props, 'icon'),
   toRef(props, 'connectedSelfArgumentId'),
   toRef(props, 'potentialSelfArgumentId'),
+  toRef(props, 'extended'),
   layoutTransitions.active,
   () => {
     emit('openFullMenu')
diff --git a/app/gui2/src/components/GraphEditor/widgets/WidgetApplication.vue b/app/gui2/src/components/GraphEditor/widgets/WidgetApplication.vue
index 8da01424979b..2ba22aa2b6ce 100644
--- a/app/gui2/src/components/GraphEditor/widgets/WidgetApplication.vue
+++ b/app/gui2/src/components/GraphEditor/widgets/WidgetApplication.vue
@@ -1,11 +1,13 @@
 <script setup lang="ts">
 import NodeWidget from '@/components/GraphEditor/NodeWidget.vue'
 import { WidgetInput, defineWidget, widgetProps } from '@/providers/widgetRegistry'
+import { injectWidgetTree } from '@/providers/widgetTree'
 import { Ast } from '@/util/ast'
 import { ArgumentApplication, ArgumentApplicationKey } from '@/util/callTree'
 import { computed } from 'vue'
 
 const props = defineProps(widgetProps(widgetDefinition))
+const tree = injectWidgetTree()
 const application = computed(() => props.input[ArgumentApplicationKey])
 const targetMaybePort = computed(() => {
   const target = application.value.target
@@ -45,7 +47,12 @@ export const widgetDefinition = defineWidget(ArgumentApplicationKey, {
     <div v-if="application.infixOperator" class="infixOp" :style="operatorStyle">
       <NodeWidget :input="WidgetInput.FromAst(application.infixOperator)" />
     </div>
-    <NodeWidget :input="application.argument.toWidgetInput()" nest />
+    <div
+      v-if="tree.extended || !application.argument.hideByDefault"
+      :class="{ animateWhenShown: application.argument.hideByDefault }"
+    >
+      <NodeWidget :input="application.argument.toWidgetInput()" nest />
+    </div>
   </span>
 </template>
 
@@ -75,4 +82,16 @@ export const widgetDefinition = defineWidget(ArgumentApplicationKey, {
     white-space: pre;
   }
 }
+
+.animateWhenShown {
+  animation: show 4800ms 100ms cubic-bezier(0.38, 0.97, 0.56, 0.76) forwards;
+  max-width: 0;
+  overflow-x: clip;
+}
+
+@keyframes show {
+  100% {
+    max-width: 2000px;
+  }
+}
 </style>
diff --git a/app/gui2/src/components/GraphEditor/widgets/WidgetFunction.vue b/app/gui2/src/components/GraphEditor/widgets/WidgetFunction.vue
index 34ba2e9f4cd1..2020bb1cdd72 100644
--- a/app/gui2/src/components/GraphEditor/widgets/WidgetFunction.vue
+++ b/app/gui2/src/components/GraphEditor/widgets/WidgetFunction.vue
@@ -12,6 +12,7 @@ import {
   argsWidgetConfigurationSchema,
   functionCallConfiguration,
 } from '@/providers/widgetRegistry/configuration'
+import { injectWidgetTree } from '@/providers/widgetTree'
 import { useGraphStore } from '@/stores/graph'
 import { useProjectStore, type NodeVisualizationConfiguration } from '@/stores/project'
 import { entryQn } from '@/stores/suggestionDatabase/entry'
@@ -34,6 +35,7 @@ import { computed, proxyRefs } from 'vue'
 const props = defineProps(widgetProps(widgetDefinition))
 const graph = useGraphStore()
 const project = useProjectStore()
+const tree = injectWidgetTree()
 
 provideFunctionInfo(
   proxyRefs({
diff --git a/app/gui2/src/providers/widgetTree.ts b/app/gui2/src/providers/widgetTree.ts
index fccae085a2dc..e4543badf7b5 100644
--- a/app/gui2/src/providers/widgetTree.ts
+++ b/app/gui2/src/providers/widgetTree.ts
@@ -14,6 +14,7 @@ const { provideFn, injectFn } = createContextStore(
     icon: Ref<Icon>,
     connectedSelfArgumentId: Ref<Ast.AstId | undefined>,
     potentialSelfArgumentId: Ref<Ast.AstId | undefined>,
+    extended: Ref<boolean>,
     hasActiveAnimations: Ref<boolean>,
     emitOpenFullMenu: () => void,
   ) => {
@@ -25,6 +26,7 @@ const { provideFn, injectFn } = createContextStore(
       icon,
       connectedSelfArgumentId,
       potentialSelfArgumentId,
+      extended,
       nodeSpanStart,
       hasActiveAnimations,
       emitOpenFullMenu,
diff --git a/app/gui2/src/util/callTree.ts b/app/gui2/src/util/callTree.ts
index 6839111a8f24..12ec6b382b00 100644
--- a/app/gui2/src/util/callTree.ts
+++ b/app/gui2/src/util/callTree.ts
@@ -2,6 +2,7 @@ import type { PortId } from '@/providers/portInfo'
 import { WidgetInput } from '@/providers/widgetRegistry'
 import type { WidgetConfiguration } from '@/providers/widgetRegistry/configuration'
 import * as widgetCfg from '@/providers/widgetRegistry/configuration'
+import { DisplayMode } from '@/providers/widgetRegistry/configuration'
 import type { SuggestionEntry, SuggestionEntryArgument } from '@/stores/suggestionDatabase/entry'
 import { Ast } from '@/util/ast'
 import { findLastIndex, tryGetIndex } from '@/util/data/array'
@@ -23,7 +24,7 @@ export class ArgumentPlaceholder {
     public argInfo: SuggestionEntryArgument,
     public kind: ApplicationKind,
     public insertAsNamed: boolean,
-    public dynamicConfig?: WidgetConfiguration | undefined,
+    public dynamicConfig?: (WidgetConfiguration & { display?: DisplayMode }) | undefined,
   ) {}
 
   static WithRetrievedConfig(
@@ -52,6 +53,10 @@ export class ArgumentPlaceholder {
   get portId(): PortId {
     return `${this.callId}[${this.index}]` as PortId
   }
+
+  get hideByDefault(): boolean {
+    return this.argInfo.hasDefault && this.dynamicConfig?.display !== DisplayMode.Always
+  }
 }
 
 export class ArgumentAst {
@@ -88,6 +93,10 @@ export class ArgumentAst {
   get portId(): PortId {
     return this.ast.id
   }
+
+  get hideByDefault(): boolean {
+    return false
+  }
 }
 
 type InterpretedCall = InterpretedInfix | InterpretedPrefix