diff --git a/src/components/actionbar/ComfyActionbar.vue b/src/components/actionbar/ComfyActionbar.vue
index 986901055a..90ef6b818b 100644
--- a/src/components/actionbar/ComfyActionbar.vue
+++ b/src/components/actionbar/ComfyActionbar.vue
@@ -34,6 +34,7 @@ import type { Ref } from 'vue'
 import { computed, inject, nextTick, onMounted, ref, watch } from 'vue'
 
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 import { cn } from '@/utils/tailwindUtil'
 
 import ComfyRunButton from './ComfyRunButton'
@@ -121,6 +122,15 @@ watch(visible, async (newVisible) => {
   }
 })
 
+/**
+ * Track run button handle drag start using mousedown on the drag handle.
+ */
+useEventListener(dragHandleRef, 'mousedown', () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'actionbar_run_handle_drag_start'
+  })
+})
+
 const lastDragState = ref({
   x: x.value,
   y: y.value,
diff --git a/src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue b/src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue
index 388a61a80e..8907ecf444 100644
--- a/src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue
+++ b/src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue
@@ -118,6 +118,9 @@ const queueModeMenuItemLookup = computed(() => {
       label: `${t('menu.run')} (${t('menu.onChange')})`,
       tooltip: t('menu.onChangeTooltip'),
       command: () => {
+        useTelemetry()?.trackUiButtonClicked({
+          button_id: 'queue_mode_option_run_on_change_selected'
+        })
         queueMode.value = 'change'
       }
     }
@@ -128,6 +131,9 @@ const queueModeMenuItemLookup = computed(() => {
       label: `${t('menu.run')} (${t('menu.instant')})`,
       tooltip: t('menu.instantTooltip'),
       command: () => {
+        useTelemetry()?.trackUiButtonClicked({
+          button_id: 'queue_mode_option_run_instant_selected'
+        })
         queueMode.value = 'instant'
       }
     }
diff --git a/src/components/breadcrumb/SubgraphBreadcrumb.vue b/src/components/breadcrumb/SubgraphBreadcrumb.vue
index fb218ab1e2..a04e3b2b5b 100644
--- a/src/components/breadcrumb/SubgraphBreadcrumb.vue
+++ b/src/components/breadcrumb/SubgraphBreadcrumb.vue
@@ -38,6 +38,7 @@ import { computed, onUpdated, ref, watch } from 'vue'
 
 import SubgraphBreadcrumbItem from '@/components/breadcrumb/SubgraphBreadcrumbItem.vue'
 import { useOverflowObserver } from '@/composables/element/useOverflowObserver'
+import { useTelemetry } from '@/platform/telemetry'
 import { useWorkflowStore } from '@/platform/workflow/management/stores/workflowStore'
 import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import { useSubgraphNavigationStore } from '@/stores/subgraphNavigationStore'
@@ -73,7 +74,9 @@ const items = computed(() => {
     command: () => {
       const canvas = useCanvasStore().getCanvas()
       if (!canvas.graph) throw new TypeError('Canvas has no graph')
-
+      useTelemetry()?.trackUiButtonClicked({
+        button_id: 'breadcrumb_subgraph_item_selected'
+      })
       canvas.setGraph(subgraph)
     },
     updateTitle: (title: string) => {
@@ -97,7 +100,9 @@ const home = computed(() => ({
   command: () => {
     const canvas = useCanvasStore().getCanvas()
     if (!canvas.graph) throw new TypeError('Canvas has no graph')
-
+    useTelemetry()?.trackUiButtonClicked({
+      button_id: 'breadcrumb_subgraph_root_selected'
+    })
     canvas.setGraph(canvas.graph.rootGraph)
   }
 }))
diff --git a/src/components/dialog/content/ErrorDialogContent.vue b/src/components/dialog/content/ErrorDialogContent.vue
index 7b08cbe1b6..242ce883f5 100644
--- a/src/components/dialog/content/ErrorDialogContent.vue
+++ b/src/components/dialog/content/ErrorDialogContent.vue
@@ -88,6 +88,9 @@ const repoName = 'ComfyUI'
 const reportContent = ref('')
 const reportOpen = ref(false)
 const showReport = () => {
+  telemetry?.trackUiButtonClicked({
+    button_id: 'error_dialog_show_report_clicked'
+  })
   reportOpen.value = true
 }
 const toast = useToast()
diff --git a/src/components/dialog/content/error/FindIssueButton.vue b/src/components/dialog/content/error/FindIssueButton.vue
index e4c32b4713..83b55899f6 100644
--- a/src/components/dialog/content/error/FindIssueButton.vue
+++ b/src/components/dialog/content/error/FindIssueButton.vue
@@ -11,6 +11,8 @@
 import Button from 'primevue/button'
 import { computed } from 'vue'
 
+import { useTelemetry } from '@/platform/telemetry'
+
 const props = defineProps<{
   errorMessage: string
   repoOwner: string
@@ -20,6 +22,9 @@ const props = defineProps<{
 const queryString = computed(() => props.errorMessage + ' is:issue')
 
 const openGitHubIssues = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'error_dialog_find_existing_issues_clicked'
+  })
   const query = encodeURIComponent(queryString.value)
   const url = `https://github.com/${props.repoOwner}/${props.repoName}/issues?q=${query}`
   window.open(url, '_blank')
diff --git a/src/components/graph/GraphCanvasMenu.vue b/src/components/graph/GraphCanvasMenu.vue
index f0f2d61d42..8a7ccd6a47 100644
--- a/src/components/graph/GraphCanvasMenu.vue
+++ b/src/components/graph/GraphCanvasMenu.vue
@@ -108,7 +108,7 @@
         :aria-label="linkVisibilityAriaLabel"
         data-testid="toggle-link-visibility-button"
         :style="stringifiedMinimapStyles.buttonStyles"
-        @click="() => commandStore.execute('Comfy.Canvas.ToggleLinkVisibility')"
+        @click="onLinkVisibilityToggleClick"
       >
         <template #icon>
           <i class="icon-[lucide--route-off]" />
@@ -127,6 +127,7 @@ import { useI18n } from 'vue-i18n'
 import { useZoomControls } from '@/composables/useZoomControls'
 import { LiteGraph } from '@/lib/litegraph/src/litegraph'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import { useCanvasInteractions } from '@/renderer/core/canvas/useCanvasInteractions'
 import { useMinimap } from '@/renderer/extensions/minimap/composables/useMinimap'
@@ -263,6 +264,14 @@ onMounted(() => {
   canvasStore.initScaleSync()
 })
 
+// Track hide/show links button click and execute the command.
+const onLinkVisibilityToggleClick = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'graph_menu_hide_links_toggle_clicked'
+  })
+  void commandStore.execute('Comfy.Canvas.ToggleLinkVisibility')
+}
+
 onBeforeUnmount(() => {
   canvasStore.cleanupScaleSync()
 })
diff --git a/src/components/graph/selectionToolbox/InfoButton.vue b/src/components/graph/selectionToolbox/InfoButton.vue
index cb771c1f0c..5476435e4f 100644
--- a/src/components/graph/selectionToolbox/InfoButton.vue
+++ b/src/components/graph/selectionToolbox/InfoButton.vue
@@ -17,6 +17,13 @@
 import Button from 'primevue/button'
 
 import { useSelectionState } from '@/composables/graph/useSelectionState'
+import { useTelemetry } from '@/platform/telemetry'
 
-const { showNodeHelp: toggleHelp } = useSelectionState()
+const { showNodeHelp } = useSelectionState()
+const toggleHelp = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'selection_toolbox_node_info_opened'
+  })
+  showNodeHelp()
+}
 </script>
diff --git a/src/components/sidebar/SideToolbar.vue b/src/components/sidebar/SideToolbar.vue
index b7a33b7b03..99d98d58fb 100644
--- a/src/components/sidebar/SideToolbar.vue
+++ b/src/components/sidebar/SideToolbar.vue
@@ -38,6 +38,7 @@ import ExtensionSlot from '@/components/common/ExtensionSlot.vue'
 import SidebarBottomPanelToggleButton from '@/components/sidebar/SidebarBottomPanelToggleButton.vue'
 import SidebarShortcutsToggleButton from '@/components/sidebar/SidebarShortcutsToggleButton.vue'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 import { useCommandStore } from '@/stores/commandStore'
 import { useKeybindingStore } from '@/stores/keybindingStore'
 import { useUserStore } from '@/stores/userStore'
@@ -67,10 +68,35 @@ const isSmall = computed(
 const tabs = computed(() => workspaceStore.getSidebarTabs())
 const selectedTab = computed(() => workspaceStore.sidebarTab.activeSidebarTab)
 
-const onTabClick = async (item: SidebarTabExtension) =>
+const onTabClick = async (item: SidebarTabExtension) => {
+  const telemetry = useTelemetry()
+
+  const isNodeLibraryTab = item.id === 'node-library'
+  const isModelLibraryTab = item.id === 'model-library'
+  const isWorkflowsTab = item.id === 'workflows'
+  const isAssetsTab = item.id === 'assets'
+
+  if (isNodeLibraryTab)
+    telemetry?.trackUiButtonClicked({
+      button_id: 'sidebar_tab_node_library_selected'
+    })
+  else if (isModelLibraryTab)
+    telemetry?.trackUiButtonClicked({
+      button_id: 'sidebar_tab_model_library_selected'
+    })
+  else if (isWorkflowsTab)
+    telemetry?.trackUiButtonClicked({
+      button_id: 'sidebar_tab_workflows_selected'
+    })
+  else if (isAssetsTab)
+    telemetry?.trackUiButtonClicked({
+      button_id: 'sidebar_tab_assets_media_selected'
+    })
+
   await commandStore.commands
     .find((cmd) => cmd.id === `Workspace.ToggleSidebarTab.${item.id}`)
     ?.function?.()
+}
 
 const keybindingStore = useKeybindingStore()
 const getTabTooltipSuffix = (tab: SidebarTabExtension) => {
diff --git a/src/components/sidebar/SidebarBottomPanelToggleButton.vue b/src/components/sidebar/SidebarBottomPanelToggleButton.vue
index c51d9df89a..9f4194a8ae 100644
--- a/src/components/sidebar/SidebarBottomPanelToggleButton.vue
+++ b/src/components/sidebar/SidebarBottomPanelToggleButton.vue
@@ -2,7 +2,7 @@
   <SidebarIcon
     :tooltip="$t('menu.toggleBottomPanel')"
     :selected="bottomPanelStore.activePanel == 'terminal'"
-    @click="bottomPanelStore.toggleBottomPanel"
+    @click="onClick"
   >
     <template #icon>
       <i-ph:terminal-bold />
@@ -11,9 +11,16 @@
 </template>
 
 <script setup lang="ts">
+import { useTelemetry } from '@/platform/telemetry'
 import { useBottomPanelStore } from '@/stores/workspace/bottomPanelStore'
 
 import SidebarIcon from './SidebarIcon.vue'
 
 const bottomPanelStore = useBottomPanelStore()
+const onClick = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'sidebar_bottom_panel_console_toggled'
+  })
+  bottomPanelStore.toggleBottomPanel()
+}
 </script>
diff --git a/src/components/sidebar/SidebarHelpCenterIcon.vue b/src/components/sidebar/SidebarHelpCenterIcon.vue
index e723890222..7765a91ffe 100644
--- a/src/components/sidebar/SidebarHelpCenterIcon.vue
+++ b/src/components/sidebar/SidebarHelpCenterIcon.vue
@@ -63,6 +63,7 @@ import { computed, onMounted } from 'vue'
 
 import HelpCenterMenuContent from '@/components/helpcenter/HelpCenterMenuContent.vue'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 import { useReleaseStore } from '@/platform/updates/common/releaseStore'
 import ReleaseNotificationToast from '@/platform/updates/components/ReleaseNotificationToast.vue'
 import WhatsNewPopup from '@/platform/updates/components/WhatsNewPopup.vue'
@@ -100,6 +101,9 @@ const sidebarLocation = computed(() =>
 const sidebarSize = computed(() => settingStore.get('Comfy.Sidebar.Size'))
 
 const toggleHelpCenter = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'sidebar_help_center_toggled'
+  })
   helpCenterStore.toggle()
 }
 
diff --git a/src/components/sidebar/SidebarShortcutsToggleButton.vue b/src/components/sidebar/SidebarShortcutsToggleButton.vue
index 6fb6e66bf1..8810f547a3 100644
--- a/src/components/sidebar/SidebarShortcutsToggleButton.vue
+++ b/src/components/sidebar/SidebarShortcutsToggleButton.vue
@@ -14,6 +14,7 @@
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 
+import { useTelemetry } from '@/platform/telemetry'
 import { useCommandStore } from '@/stores/commandStore'
 import { useBottomPanelStore } from '@/stores/workspace/bottomPanelStore'
 
@@ -34,6 +35,9 @@ const tooltipText = computed(
 )
 
 const toggleShortcutsPanel = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'sidebar_shortcuts_panel_toggled'
+  })
   bottomPanelStore.togglePanel('shortcuts')
 }
 </script>
diff --git a/src/components/sidebar/SidebarTemplatesButton.vue b/src/components/sidebar/SidebarTemplatesButton.vue
index d16fd4c09b..219703e13a 100644
--- a/src/components/sidebar/SidebarTemplatesButton.vue
+++ b/src/components/sidebar/SidebarTemplatesButton.vue
@@ -14,6 +14,7 @@ import { computed } from 'vue'
 
 import { useWorkflowTemplateSelectorDialog } from '@/composables/useWorkflowTemplateSelectorDialog'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 
 import SidebarIcon from './SidebarIcon.vue'
 
@@ -24,6 +25,9 @@ const isSmall = computed(
 )
 
 const openTemplates = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'sidebar_templates_dialog_opened'
+  })
   useWorkflowTemplateSelectorDialog().show('sidebar')
 }
 </script>
diff --git a/src/platform/settings/components/SettingItem.vue b/src/platform/settings/components/SettingItem.vue
index c83a4e77aa..91f92b2e94 100644
--- a/src/platform/settings/components/SettingItem.vue
+++ b/src/platform/settings/components/SettingItem.vue
@@ -31,6 +31,8 @@ import FormItem from '@/components/common/FormItem.vue'
 import { st } from '@/i18n'
 import { useSettingStore } from '@/platform/settings/settingStore'
 import type { SettingOption, SettingParams } from '@/platform/settings/types'
+import { useTelemetry } from '@/platform/telemetry'
+import type { Settings } from '@/schemas/apiSchema'
 import { normalizeI18nKey } from '@/utils/formatUtil'
 
 const props = defineProps<{
@@ -75,7 +77,22 @@ const formItem = computed(() => {
 
 const settingStore = useSettingStore()
 const settingValue = computed(() => settingStore.get(props.setting.id))
-const updateSettingValue = async (value: any) => {
-  await settingStore.set(props.setting.id, value)
+const updateSettingValue = async <K extends keyof Settings>(
+  newValue: Settings[K]
+) => {
+  const telemetry = useTelemetry()
+  const settingId = props.setting.id
+  const previousValue = settingValue.value
+
+  await settingStore.set(settingId, newValue)
+
+  const normalizedValue = settingStore.get(settingId)
+  if (previousValue !== normalizedValue) {
+    telemetry?.trackSettingChanged({
+      setting_id: settingId,
+      previous_value: previousValue,
+      new_value: normalizedValue
+    })
+  }
 }
 </script>
diff --git a/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts b/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
index e025e48ac2..47d3188bb1 100644
--- a/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
+++ b/src/platform/telemetry/providers/cloud/MixpanelTelemetryProvider.ts
@@ -24,6 +24,7 @@ import type {
   NodeSearchResultMetadata,
   PageVisibilityMetadata,
   RunButtonProperties,
+  SettingChangedMetadata,
   SurveyResponses,
   TabCountMetadata,
   TelemetryEventName,
@@ -506,6 +507,10 @@ export class MixpanelTelemetryProvider implements TelemetryProvider {
     this.trackEvent(TelemetryEvents.UI_BUTTON_CLICKED, metadata)
   }
 
+  trackSettingChanged(metadata: SettingChangedMetadata): void {
+    this.trackEvent(TelemetryEvents.SETTING_CHANGED, metadata)
+  }
+
   trackWorkflowExecution(): void {
     if (this.isOnboardingMode) {
       // During onboarding, track basic execution without workflow context
diff --git a/src/platform/telemetry/types.ts b/src/platform/telemetry/types.ts
index ba54a09735..5a631b2ef6 100644
--- a/src/platform/telemetry/types.ts
+++ b/src/platform/telemetry/types.ts
@@ -162,6 +162,15 @@ export interface TabCountMetadata {
   tab_count: number
 }
 
+/**
+ * Settings change metadata
+ */
+export interface SettingChangedMetadata {
+  setting_id: string
+  previous_value?: unknown
+  new_value?: unknown
+}
+
 /**
  * Node search metadata
  */
@@ -298,6 +307,9 @@ export interface TelemetryProvider {
   // Generic UI button click events
   trackUiButtonClicked(metadata: UiButtonClickMetadata): void
 
+  // Settings events
+  trackSettingChanged(metadata: SettingChangedMetadata): void
+
   // Help center events
   trackHelpCenterOpened(metadata: HelpCenterOpenedMetadata): void
   trackHelpResourceClicked(metadata: HelpResourceClickedMetadata): void
@@ -369,6 +381,9 @@ export const TelemetryEvents = {
   // Template Filter Analytics
   TEMPLATE_FILTER_CHANGED: 'app:template_filter_changed',
 
+  // Settings
+  SETTING_CHANGED: 'app:setting_changed',
+
   // Help Center Analytics
   HELP_CENTER_OPENED: 'app:help_center_opened',
   HELP_RESOURCE_CLICKED: 'app:help_resource_clicked',
@@ -416,6 +431,7 @@ export type TelemetryEventProperties =
   | NodeSearchResultMetadata
   | TemplateFilterMetadata
   | UiButtonClickMetadata
+  | SettingChangedMetadata
   | HelpCenterOpenedMetadata
   | HelpResourceClickedMetadata
   | HelpCenterClosedMetadata
diff --git a/src/renderer/extensions/vueNodes/components/LGraphNode.vue b/src/renderer/extensions/vueNodes/components/LGraphNode.vue
index e29601ef09..b3e8266701 100644
--- a/src/renderer/extensions/vueNodes/components/LGraphNode.vue
+++ b/src/renderer/extensions/vueNodes/components/LGraphNode.vue
@@ -127,6 +127,7 @@ import { toggleNodeOptions } from '@/composables/graph/useMoreOptionsMenu'
 import { useErrorHandling } from '@/composables/useErrorHandling'
 import { LiteGraph } from '@/lib/litegraph/src/litegraph'
 import { useSettingStore } from '@/platform/settings/settingStore'
+import { useTelemetry } from '@/platform/telemetry'
 import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import { useCanvasInteractions } from '@/renderer/core/canvas/useCanvasInteractions'
 import { TransformStateKey } from '@/renderer/core/layout/injectionKeys'
@@ -343,6 +344,9 @@ const handleHeaderTitleUpdate = (newTitle: string) => {
 }
 
 const handleEnterSubgraph = () => {
+  useTelemetry()?.trackUiButtonClicked({
+    button_id: 'graph_node_open_subgraph_clicked'
+  })
   const graph = app.graph?.rootGraph || app.graph
   if (!graph) {
     console.warn('LGraphNode: No graph available for subgraph navigation')
diff --git a/src/services/dialogService.ts b/src/services/dialogService.ts
index a9a8e72560..4fa004ea15 100644
--- a/src/services/dialogService.ts
+++ b/src/services/dialogService.ts
@@ -15,6 +15,7 @@ import SettingDialogHeader from '@/components/dialog/header/SettingDialogHeader.
 import { t } from '@/i18n'
 import { isCloud } from '@/platform/distribution/types'
 import SettingDialogContent from '@/platform/settings/components/SettingDialogContent.vue'
+import { useTelemetry } from '@/platform/telemetry'
 import type { ExecutionErrorWsMessage } from '@/schemas/apiSchema'
 import { useDialogStore } from '@/stores/dialogStore'
 import type {
@@ -107,7 +108,14 @@ export const useDialogService = () => {
     dialogStore.showDialog({
       key: 'global-execution-error',
       component: ErrorDialogContent,
-      props
+      props,
+      dialogComponentProps: {
+        onClose: () => {
+          useTelemetry()?.trackUiButtonClicked({
+            button_id: 'error_dialog_closed'
+          })
+        }
+      }
     })
   }
 
@@ -189,7 +197,14 @@ export const useDialogService = () => {
     dialogStore.showDialog({
       key: 'global-error',
       component: ErrorDialogContent,
-      props
+      props,
+      dialogComponentProps: {
+        onClose: () => {
+          useTelemetry()?.trackUiButtonClicked({
+            button_id: 'error_dialog_closed'
+          })
+        }
+      }
     })
   }