feat(blocks): surface deprecated block and model warnings on canvas (#5785)

* feat(blocks): surface deprecated block and model warnings on canvas

* improvement(blocks): simplify deprecation derivation, drop unused getModelReplacement

* fix(blocks): make deprecation badge keyboard-accessible

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/panel.tsx

@@ -458,10 +458,11 @@ export const Panel = memo(function Panel() {
 
   useEffect(() => {
     const handler = (e: Event) => {
-      const message = (e as CustomEvent<MothershipSendMessageDetail>).detail?.message
-      if (!message) return
+      const detail = (e as CustomEvent<MothershipSendMessageDetail>).detail
+      if (!detail?.message) return
+      e.preventDefault()
       setActiveTab('copilot')
-      copilotSendMessage(message)
+      copilotSendMessage(detail.message, undefined, detail.contexts)
     }
     window.addEventListener(MOTHERSHIP_SEND_MESSAGE_EVENT, handler)
     return () => window.removeEventListener(MOTHERSHIP_SEND_MESSAGE_EVENT, handler)

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/workflow-block.tsx

@@ -3,11 +3,14 @@ import { createLogger } from '@sim/logger'
 import { SubBlockRowView, WorkflowBlockView } from '@sim/workflow-renderer'
 import { isEqual } from 'es-toolkit'
 import { useParams } from 'next/navigation'
+import { usePostHog } from 'posthog-js/react'
 import { type NodeProps, useUpdateNodeInternals } from 'reactflow'
 import { useStoreWithEqualityFn } from 'zustand/traditional'
 import { getBaseUrl } from '@/lib/core/utils/urls'
 import { createMcpToolId } from '@/lib/mcp/shared'
+import { sendMothershipMessage } from '@/lib/mothership/events'
 import { getProviderIdFromServiceId } from '@/lib/oauth'
+import { captureEvent } from '@/lib/posthog/client'
 import { calculateWorkflowBlockDimensions } from '@/lib/workflows/blocks/deterministic-dimensions'
 import { getConditionRows, getRouterRows } from '@/lib/workflows/dynamic-handle-topology'
 import {
@@ -45,7 +48,12 @@ import {
 import { useBlockVisual } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks'
 import { useBlockDimensions } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks/use-block-dimensions'
 import { useCustomBlockOverlayVersion } from '@/blocks/custom/client-overlay'
-import { SELECTOR_TYPES_HYDRATION_REQUIRED, type SubBlockConfig } from '@/blocks/types'
+import { getBlock } from '@/blocks/registry'
+import {
+  type BlockConfig,
+  SELECTOR_TYPES_HYDRATION_REQUIRED,
+  type SubBlockConfig,
+} from '@/blocks/types'
 import { getDependsOnFields } from '@/blocks/utils'
 import { useKnowledgeBase } from '@/hooks/kb/use-knowledge'
 import { useCustomTools } from '@/hooks/queries/custom-tools'
@@ -58,6 +66,7 @@ import { useTablesList } from '@/hooks/queries/tables'
 import { useWorkflowMap } from '@/hooks/queries/workflows'
 import { useReactiveConditions } from '@/hooks/use-reactive-conditions'
 import { useSelectorDisplayName } from '@/hooks/use-selector-display-name'
+import { isModelDeprecated } from '@/providers/models'
 import { useVariablesStore } from '@/stores/variables/store'
 import { useSubBlockStore } from '@/stores/workflows/subblock/store'
 import { useWorkflowStore } from '@/stores/workflows/workflow/store'
@@ -72,6 +81,48 @@ const EMPTY_SUBBLOCK_VALUES = {} as Record<string, any>
 /** Stable empty map for rows that never resolve MCP tool names */
 const EMPTY_MCP_TOOL_NAMES: ReadonlyMap<string, string> = new Map()
 
+interface BlockDeprecation {
+  kind: 'block' | 'model'
+  tooltip: string
+  prompt: string
+}
+
+/**
+ * Deprecation state for a placed block: the block type itself (via
+ * `config.deprecated.replacedBy`) or its selected model. `null` when neither
+ * applies or in diff mode. Drives the canvas badge + click-to-fix prompt.
+ */
+function getBlockDeprecation(
+  config: BlockConfig,
+  name: string,
+  model: unknown,
+  isDiffMode: boolean
+): BlockDeprecation | null {
+  if (isDiffMode) return null
+
+  const replacedBy = config.deprecated?.replacedBy
+  if (replacedBy) {
+    const target = getBlock(replacedBy)
+    if (!target) return null
+    const hasModel = config.subBlocks?.some((sub) => sub.id === 'model')
+    return {
+      kind: 'block',
+      tooltip: 'This block is deprecated. Click to upgrade',
+      prompt: `The "${name}" block is deprecated. Migrate it to the current ${target.name} block: change the block type, then set the new block's required inputs as a separate edit (inputs are validated against the old type when sent in the same edit), or delete it and re-add ${target.name} and rewire the connections.${hasModel ? ' Also pick a current, non-deprecated model.' : ''}`,
+    }
+  }
+
+  if (typeof model === 'string' && isModelDeprecated(model)) {
+    return {
+      kind: 'model',
+      tooltip: `${model} is deprecated. Click to upgrade`,
+      prompt: `The "${name}" block uses the deprecated model "${model}". Switch it to the latest equivalent model.`,
+    }
+  }
+
+  return null
+}
+
 interface SubBlockRowProps {
   title: string
   value?: string
@@ -479,6 +530,28 @@ export const WorkflowBlock = memo(function WorkflowBlock({
     ),
     isEqual
   )
+
+  const posthog = usePostHog()
+
+  const deprecation = getBlockDeprecation(
+    config,
+    name,
+    blockSubBlockValues.model,
+    currentWorkflow.isDiffMode
+  )
+
+  const onFixDeprecation = () => {
+    if (!deprecation) return
+    captureEvent(posthog, 'deprecated_block_fix_clicked', {
+      block_type: type,
+      workflow_id: currentWorkflowId,
+      kind: deprecation.kind,
+    })
+    sendMothershipMessage(deprecation.prompt, [
+      { kind: 'workflow_block', workflowId: currentWorkflowId, blockId: id, label: name },
+    ])
+  }
+
   const canonicalIndex = useMemo(() => buildCanonicalIndex(config.subBlocks), [config.subBlocks])
   const canonicalModeOverrides = currentStoreBlock?.data?.canonicalModes
 
@@ -798,6 +871,9 @@ export const WorkflowBlock = memo(function WorkflowBlock({
           deployChildWorkflow({ workflowId: childWorkflowId })
         }
       }}
+      deprecationTooltip={deprecation?.tooltip}
+      canFixDeprecation={canEditWorkflow}
+      onFixDeprecation={onFixDeprecation}
       shouldShowScheduleBadge={shouldShowScheduleBadge}
       scheduleIsDisabled={Boolean(scheduleInfo?.isDisabled)}
       onReactivateSchedule={() => {

apps/sim/blocks/blocks/api_trigger.ts

@@ -15,6 +15,7 @@ export const ApiTriggerBlock: BlockConfig = {
   `,
   category: 'triggers',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'start_trigger' },
   bgColor: '#2F55FF',
   icon: ApiIcon,
   subBlocks: [

apps/sim/blocks/blocks/chat_trigger.ts

@@ -16,6 +16,7 @@ export const ChatTriggerBlock: BlockConfig = {
   `,
   category: 'triggers',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'start_trigger' },
   bgColor: '#6F3DFA',
   icon: ChatTriggerIcon,
   subBlocks: [],

apps/sim/blocks/blocks/confluence.ts

@@ -12,6 +12,7 @@ export const ConfluenceBlock: BlockConfig<ConfluenceResponse> = {
   name: 'Confluence (Legacy)',
   description: 'Interact with Confluence',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'confluence_v2' },
   authMode: AuthMode.OAuth,
   longDescription:
     'Integrate Confluence into the workflow. Can read, create, update, delete pages, manage comments, attachments, labels, and search content.',
@@ -360,6 +361,7 @@ export const ConfluenceBlock: BlockConfig<ConfluenceResponse> = {
 
 export const ConfluenceV2Block: BlockConfig<ConfluenceResponse> = {
   ...ConfluenceBlock,
+  deprecated: undefined,
   type: 'confluence_v2',
   name: 'Confluence',
   hideFromToolbar: false,

apps/sim/blocks/blocks/cursor.ts

@@ -17,6 +17,7 @@ export const CursorBlock: BlockConfig<CursorResponse> = {
   icon: CursorIcon,
   authMode: AuthMode.ApiKey,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'cursor_v2' },
   subBlocks: [
     {
       id: 'operation',
@@ -223,6 +224,7 @@ export const CursorBlock: BlockConfig<CursorResponse> = {
 
 export const CursorV2Block: BlockConfig<CursorResponse> = {
   ...CursorBlock,
+  deprecated: undefined,
   type: 'cursor_v2',
   name: 'Cursor',
   description: 'Launch and manage Cursor cloud agents to work on GitHub repositories',

apps/sim/blocks/blocks/extend.ts

@@ -14,6 +14,7 @@ export const ExtendBlock: BlockConfig<ExtendParserOutput> = {
   name: 'Extend',
   description: 'Parse and extract content from documents',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'extend_v2' },
   authMode: AuthMode.ApiKey,
   longDescription:
     'Integrate Extend AI into the workflow. Parse and extract structured content from documents including PDFs, images, and Office files.',
@@ -165,6 +166,7 @@ const extendV2SubBlocks = (ExtendBlock.subBlocks || []).flatMap((subBlock) => {
 
 export const ExtendV2Block: BlockConfig<ExtendParserOutput> = {
   ...ExtendBlock,
+  deprecated: undefined,
   type: 'extend_v2',
   name: 'Extend',
   hideFromToolbar: false,

apps/sim/blocks/blocks/file.ts

@@ -78,6 +78,7 @@ export const FileBlock: BlockConfig<FileParserOutput> = {
   bgColor: '#40916C',
   icon: DocumentIcon,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'file_v5' },
   subBlocks: [
     {
       id: 'inputMethod',
@@ -185,6 +186,7 @@ export const FileV2Block: BlockConfig<FileParserOutput> = {
   name: 'File (Legacy)',
   description: 'Read and parse multiple files',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'file_v5' },
   subBlocks: [
     {
       id: 'file',
@@ -278,6 +280,7 @@ export const FileV3Block: BlockConfig<FileParserV3Output> = {
   bgColor: '#40916C',
   icon: DocumentIcon,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'file_v5' },
   subBlocks: [
     {
       id: 'operation',
@@ -568,6 +571,7 @@ export const FileV4Block: BlockConfig<FileParserV3Output> = {
   longDescription:
     'Read workspace files by picker or canonical ID, fetch and parse files from URLs with optional headers, write new workspace files, or append content to existing files.',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'file_v5' },
   bestPractices: `
   - Use Read when you need an existing workspace file object by picker selection or canonical file ID.
   - Use Fetch for external file URLs. Add headers for authenticated downloads, for example Slack private file URLs require an Authorization Bearer token.
@@ -820,6 +824,7 @@ export const FileV4Block: BlockConfig<FileParserV3Output> = {
 
 export const FileV5Block: BlockConfig<FileParserV3Output> = {
   ...FileV4Block,
+  deprecated: undefined,
   type: 'file_v5',
   name: 'File',
   description:

apps/sim/blocks/blocks/fireflies.ts

@@ -11,6 +11,7 @@ export const FirefliesBlock: BlockConfig<FirefliesResponse> = {
   name: 'Fireflies (Legacy)',
   description: 'Interact with Fireflies.ai meeting transcripts and recordings',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'fireflies_v2' },
   authMode: AuthMode.ApiKey,
   triggerAllowed: true,
   longDescription:
@@ -646,6 +647,7 @@ const firefliesV2Inputs = FirefliesBlock.inputs
 
 export const FirefliesV2Block: BlockConfig<FirefliesResponse> = {
   ...FirefliesBlock,
+  deprecated: undefined,
   type: 'fireflies_v2',
   name: 'Fireflies',
   description: 'Interact with Fireflies.ai meeting transcripts and recordings',

apps/sim/blocks/blocks/github.ts

@@ -20,6 +20,7 @@ export const GitHubBlock: BlockConfig<GitHubResponse> = {
   icon: GithubIcon,
   triggerAllowed: true,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'github_v2' },
   subBlocks: [
     {
       id: 'operation',
@@ -2102,6 +2103,7 @@ Return ONLY the timestamp string - no explanations, no quotes, no extra text.`,
 
 export const GitHubV2Block: BlockConfig<GitHubResponse> = {
   ...GitHubBlock,
+  deprecated: undefined,
   type: 'github_v2',
   name: 'GitHub',
   hideFromToolbar: false,

apps/sim/blocks/blocks/gmail.ts

@@ -57,6 +57,7 @@ export const GmailBlock: BlockConfig<GmailToolResponse> = {
   bgColor: '#FFFFFF',
   icon: GmailIcon,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'gmail_v2' },
   triggerAllowed: true,
   subBlocks: [
     // Operation selector
@@ -575,6 +576,7 @@ Return ONLY the search query - no explanations, no extra text.`,
 
 export const GmailV2Block: BlockConfig<GmailToolResponse> = {
   ...GmailBlock,
+  deprecated: undefined,
   type: 'gmail_v2',
   name: 'Gmail',
   hideFromToolbar: false,

apps/sim/blocks/blocks/google_calendar.ts

@@ -19,6 +19,7 @@ export const GoogleCalendarBlock: BlockConfig<GoogleCalendarResponse> = {
   bgColor: '#FFFFFF',
   icon: GoogleCalendarIcon,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'google_calendar_v2' },
   subBlocks: [
     {
       id: 'operation',
@@ -925,6 +926,7 @@ Return ONLY the timestamp string - no explanations, no quotes, no extra text.`,
 
 export const GoogleCalendarV2Block: BlockConfig<GoogleCalendarResponse> = {
   ...GoogleCalendarBlock,
+  deprecated: undefined,
   type: 'google_calendar_v2',
   name: 'Google Calendar',
   hideFromToolbar: false,

apps/sim/blocks/blocks/google_sheets.ts

@@ -13,6 +13,7 @@ export const GoogleSheetsBlock: BlockConfig<GoogleSheetsResponse> = {
   description: 'Read, write, and update data',
   authMode: AuthMode.OAuth,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'google_sheets_v2' },
   longDescription:
     'Integrate Google Sheets into the workflow. Can read, write, append, and update data.',
   docsLink: 'https://docs.sim.ai/integrations/google_sheets',

apps/sim/blocks/blocks/google_slides.ts

@@ -11,6 +11,7 @@ export const GoogleSlidesBlock: BlockConfig<GoogleSlidesResponse> = {
   name: 'Google Slides (Legacy)',
   description: 'Read, write, and create presentations',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'google_slides_v2' },
   authMode: AuthMode.OAuth,
   longDescription:
     'Build, edit, and export branded Google Slides presentations end-to-end. Copy a template, replace text and image tokens, embed Sheets charts, style text and shapes with brand fonts and colors, manage tables and layouts, group elements, run atomic batch updates, and export to PDF or PPTX.',
@@ -3454,6 +3455,7 @@ const googleSlidesV2Inputs = GoogleSlidesBlock.inputs
 
 export const GoogleSlidesV2Block: BlockConfig<GoogleSlidesResponse> = {
   ...GoogleSlidesBlock,
+  deprecated: undefined,
   type: 'google_slides_v2',
   name: 'Google Slides',
   description: 'Read, write, and create presentations',

apps/sim/blocks/blocks/grain.ts

@@ -27,6 +27,7 @@ export const GrainBlock: BlockConfig = {
   // Superseded by grain_v2 (Grain API v1 sunsets 2026-09-07); existing blocks
   // keep rendering, new blocks come from the v2 entry.
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'grain_v2' },
   longDescription:
     'Integrate Grain into your workflow. Access meeting recordings, transcripts, highlights, and AI-generated summaries. Can also trigger workflows based on Grain webhook events.',
   category: 'tools',
@@ -501,6 +502,7 @@ Return ONLY the search term - no explanations, no quotes, no extra text.`,
  */
 export const GrainV2Block: BlockConfig = {
   ...GrainBlock,
+  deprecated: undefined,
   type: 'grain_v2',
   hideFromToolbar: false,
   subBlocks: [

apps/sim/blocks/blocks/image_generator.ts

@@ -57,6 +57,7 @@ export const ImageGeneratorBlock: BlockConfig<DalleResponse> = {
   name: 'Image Generator',
   description: 'Generate images',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'image_generator_v2' },
   authMode: AuthMode.ApiKey,
   longDescription:
     'Integrate Image Generator into the workflow. Can generate images using DALL-E 3 and GPT Image models.',

apps/sim/blocks/blocks/input_trigger.ts

@@ -19,6 +19,7 @@ export const InputTriggerBlock: BlockConfig = {
   `,
   category: 'triggers',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'start_trigger' },
   bgColor: '#3B82F6',
   icon: InputTriggerIcon,
   subBlocks: [

apps/sim/blocks/blocks/intercom.ts

@@ -8,6 +8,7 @@ export const IntercomBlock: BlockConfig = {
   type: 'intercom',
   name: 'Intercom (Legacy)',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'intercom_v2' },
   description: 'Manage contacts, companies, conversations, tickets, and messages in Intercom',
   longDescription:
     'Integrate Intercom into the workflow. Can create, get, update, list, search, and delete contacts; create, get, and list companies; get, list, reply, and search conversations; create and get tickets; and create messages.',
@@ -1404,6 +1405,7 @@ Return ONLY the numeric timestamp.`,
 
 export const IntercomV2Block: BlockConfig = {
   ...IntercomBlock,
+  deprecated: undefined,
   type: 'intercom_v2',
   name: 'Intercom',
   integrationType: IntegrationType.Support,

apps/sim/blocks/blocks/kalshi.ts

@@ -14,6 +14,7 @@ export const KalshiBlock: BlockConfig = {
   category: 'tools',
   integrationType: IntegrationType.Analytics,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'kalshi_v2' },
   bgColor: '#09C285',
   iconColor: '#09C285',
   icon: KalshiIcon,
@@ -762,6 +763,7 @@ Return ONLY the numeric timestamp (seconds since Unix epoch) - no explanations,
 
 export const KalshiV2Block: BlockConfig = {
   ...KalshiBlock,
+  deprecated: undefined,
   type: 'kalshi_v2',
   name: 'Kalshi',
   description: 'Access prediction markets and trade on Kalshi',

apps/sim/blocks/blocks/linear.ts

@@ -11,6 +11,7 @@ export const LinearBlock: BlockConfig<LinearResponse> = {
   name: 'Linear (Legacy)',
   description: 'Interact with Linear issues, projects, and more',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'linear_v2' },
   authMode: AuthMode.OAuth,
   triggerAllowed: true,
   longDescription:
@@ -2561,6 +2562,7 @@ Return ONLY the date string in YYYY-MM-DD format - no explanations, no quotes, n
  */
 export const LinearV2Block: BlockConfig<LinearResponse> = {
   ...LinearBlock,
+  deprecated: undefined,
   type: 'linear_v2',
   name: 'Linear',
   hideFromToolbar: false,

apps/sim/blocks/blocks/logs.ts

@@ -6,6 +6,7 @@ export const LogsBlock: BlockConfig = {
   type: 'logs',
   name: 'Logs',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'logs_v2' },
   description: 'Query workflow execution logs',
   longDescription:
     'Search workflow execution logs in the current workspace, fetch a single log by id, or load full execution details with the per-block state snapshot.',

apps/sim/blocks/blocks/manual_trigger.ts

@@ -18,6 +18,7 @@ export const ManualTriggerBlock: BlockConfig = {
   `,
   category: 'triggers',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'start_trigger' },
   bgColor: '#2563EB',
   icon: ManualTriggerIcon,
   subBlocks: [],

apps/sim/blocks/blocks/microsoft_excel.ts

@@ -60,6 +60,7 @@ export const MicrosoftExcelBlock: BlockConfig<MicrosoftExcelResponse> = {
   description: 'Read, write, and update data',
   authMode: AuthMode.OAuth,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'microsoft_excel_v2' },
   longDescription:
     'Integrate Microsoft Excel into the workflow. Can read, write, update, add to table, and create new worksheets.',
   docsLink: 'https://docs.sim.ai/integrations/microsoft_excel',

apps/sim/blocks/blocks/mistral_parse.ts

@@ -15,6 +15,7 @@ export const MistralParseBlock: BlockConfig<MistralParserOutput> = {
   name: 'Mistral Parser (Legacy)',
   description: 'Extract text from PDF documents',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'mistral_parse_v3' },
   authMode: AuthMode.ApiKey,
   longDescription: `Integrate Mistral Parse into the workflow. Can extract text from uploaded PDF documents, or from a URL.`,
   docsLink: 'https://docs.sim.ai/integrations/mistral_parse',
@@ -161,6 +162,7 @@ export const MistralParseV2Block: BlockConfig<MistralParserOutput> = {
   name: 'Mistral Parser',
   description: 'Extract text from PDF documents',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'mistral_parse_v3' },
   subBlocks: [
     {
       id: 'fileUpload',
@@ -287,6 +289,7 @@ export const MistralParseV2Block: BlockConfig<MistralParserOutput> = {
  */
 export const MistralParseV3Block: BlockConfig<MistralParserOutput> = {
   ...MistralParseBlock,
+  deprecated: undefined,
   type: 'mistral_parse_v3',
   name: 'Mistral Parser',
   description: 'Extract text from PDF documents',

apps/sim/blocks/blocks/notion.ts

@@ -12,6 +12,7 @@ export const NotionBlock: BlockConfig<NotionResponse> = {
   type: 'notion',
   name: 'Notion (Legacy)',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'notion_v2' },
   description: 'Manage Notion pages',
   authMode: AuthMode.OAuth,
   longDescription:

apps/sim/blocks/blocks/pulse.ts

@@ -14,6 +14,7 @@ export const PulseBlock: BlockConfig<PulseParserOutput> = {
   name: 'Pulse',
   description: 'Extract text from documents using Pulse OCR',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'pulse_v2' },
   authMode: AuthMode.ApiKey,
   longDescription:
     'Integrate Pulse into the workflow. Extract text from PDF documents, images, and Office files via URL or upload.',
@@ -162,6 +163,7 @@ const pulseV2SubBlocks = (PulseBlock.subBlocks || []).flatMap((subBlock) => {
 
 export const PulseV2Block: BlockConfig<PulseParserOutput> = {
   ...PulseBlock,
+  deprecated: undefined,
   type: 'pulse_v2',
   name: 'Pulse',
   hideFromToolbar: false,

apps/sim/blocks/blocks/reducto.ts

@@ -15,6 +15,7 @@ export const ReductoBlock: BlockConfig<ReductoParserOutput> = {
   name: 'Reducto',
   description: 'Extract text from PDF documents',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'reducto_v2' },
   authMode: AuthMode.ApiKey,
   longDescription: `Integrate Reducto Parse into the workflow. Can extract text from uploaded PDF documents, or from a URL.`,
   docsLink: 'https://docs.sim.ai/integrations/reducto',
@@ -168,6 +169,7 @@ const reductoV2SubBlocks = (ReductoBlock.subBlocks || []).flatMap((subBlock) =>
 
 export const ReductoV2Block: BlockConfig<ReductoParserOutput> = {
   ...ReductoBlock,
+  deprecated: undefined,
   type: 'reducto_v2',
   name: 'Reducto',
   hideFromToolbar: false,

apps/sim/blocks/blocks/router.ts

@@ -157,6 +157,7 @@ export const RouterBlock: BlockConfig<RouterResponse> = {
   bgColor: '#28C43F',
   icon: ConnectIcon,
   hideFromToolbar: true, // Hide legacy version from toolbar
+  deprecated: { replacedBy: 'router_v2' },
   subBlocks: [
     {
       id: 'prompt',

apps/sim/blocks/blocks/sharepoint.ts

@@ -15,6 +15,7 @@ export const SharepointBlock: BlockConfig<SharepointResponse> = {
   description: 'Work with pages and lists',
   authMode: AuthMode.OAuth,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'sharepoint_v2' },
   longDescription:
     'Integrate SharePoint into the workflow. Read/create pages, list sites, and work with lists (read, create, update items). Requires OAuth.',
   docsLink: 'https://docs.sim.ai/integrations/sharepoint',
@@ -821,6 +822,7 @@ const SHAREPOINT_V2_PAGE_MUTATION_OPERATIONS = [
 
 export const SharepointV2Block: BlockConfig<SharepointResponse> = {
   ...SharepointBlock,
+  deprecated: undefined,
   type: 'sharepoint_v2',
   name: 'SharePoint',
   hideFromToolbar: false,

apps/sim/blocks/blocks/starter.ts

@@ -10,6 +10,7 @@ export const StarterBlock: BlockConfig = {
   bgColor: '#2FB3FF',
   icon: StartIcon,
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'start_trigger' },
   subBlocks: [
     // Main trigger selector
     {

apps/sim/blocks/blocks/stt.ts

@@ -8,6 +8,7 @@ export const SttBlock: BlockConfig<SttBlockResponse> = {
   name: 'Speech-to-Text',
   description: 'Convert speech to text using AI',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'stt_v2' },
   authMode: AuthMode.ApiKey,
   longDescription:
     'Transcribe audio and video files to text using leading AI providers. Supports multiple languages, timestamps, and speaker diarization.',
@@ -361,6 +362,7 @@ const sttV2SubBlocks = (SttBlock.subBlocks || []).filter((subBlock) => subBlock.
 
 export const SttV2Block: BlockConfig<SttBlockResponse> = {
   ...SttBlock,
+  deprecated: undefined,
   type: 'stt_v2',
   name: 'Speech-to-Text',
   hideFromToolbar: false,

apps/sim/blocks/blocks/textract.ts

@@ -14,6 +14,7 @@ export const TextractBlock: BlockConfig<TextractParserOutput> = {
   name: 'AWS Textract',
   description: 'Extract text, tables, and forms from documents',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'textract_v2' },
   authMode: AuthMode.ApiKey,
   longDescription: `Integrate AWS Textract into your workflow to extract text, tables, forms, and key-value pairs from documents. Single-page mode supports JPEG, PNG, and single-page PDF. Multi-page mode supports multi-page PDF and TIFF.`,
   docsLink: 'https://docs.sim.ai/integrations/textract',
@@ -238,6 +239,7 @@ function requireAwsCredentials(params: Record<string, unknown>) {
 
 export const TextractV2Block: BlockConfig<TextractParserOutput> = {
   ...TextractBlock,
+  deprecated: undefined,
   type: 'textract_v2',
   name: 'AWS Textract',
   hideFromToolbar: false,

apps/sim/blocks/blocks/video_generator.ts

@@ -75,6 +75,7 @@ export const VideoGeneratorBlock: BlockConfig<VideoBlockResponse> = {
   name: 'Video Generator (Legacy)',
   description: 'Generate videos from text using AI',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'video_generator_v3' },
   authMode: AuthMode.ApiKey,
   longDescription:
     'Generate high-quality videos from text prompts using leading AI providers. Supports multiple models, aspect ratios, resolutions, and provider-specific features like world consistency, camera controls, and audio generation.',
@@ -892,6 +893,7 @@ export const VideoGeneratorV2Block: BlockConfig<VideoBlockResponse> = {
   type: 'video_generator_v2',
   name: 'Video Generator',
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'video_generator_v3' },
   subBlocks: [
     {
       id: 'provider',
@@ -1649,6 +1651,7 @@ export const VideoGeneratorV2Block: BlockConfig<VideoBlockResponse> = {
 
 export const VideoGeneratorV3Block: BlockConfig<VideoBlockResponse> = {
   ...VideoGeneratorV2Block,
+  deprecated: undefined,
   type: 'video_generator_v3',
   name: 'Video Generator',
   description: 'Generate videos from text using AI',

apps/sim/blocks/blocks/vision.ts

@@ -26,6 +26,7 @@ export const VisionBlock: BlockConfig<VisionResponse> = {
   name: 'Vision (Legacy)',
   description: 'Analyze images with vision models',
   hideFromToolbar: true,
+  deprecated: {},
   authMode: AuthMode.ApiKey,
   longDescription: 'Integrate Vision into the workflow. Can analyze images with vision models.',
   docsLink: 'https://docs.sim.ai/integrations/vision',
@@ -109,6 +110,7 @@ export const VisionV2Block: BlockConfig<VisionResponse> = {
   name: 'Vision',
   description: 'Analyze images with vision models',
   hideFromToolbar: true,
+  deprecated: {},
   tools: {
     access: ['vision_tool_v2'],
     config: {

apps/sim/blocks/blocks/workflow.ts

@@ -64,4 +64,5 @@ export const WorkflowBlock: BlockConfig = {
     },
   },
   hideFromToolbar: true,
+  deprecated: { replacedBy: 'workflow_input' },
 }

apps/sim/blocks/types.ts

@@ -496,6 +496,16 @@ export interface BlockConfig<T extends ToolResponse = ToolResponse> {
    * gated. Remove at GA.
    */
   preview?: boolean
+  /**
+   * Marks a superseded block. Placed instances keep executing and rendering; the
+   * canvas surfaces a deprecation badge and downstream jobs may notify owners.
+   * `replacedBy` is the block `type` users should migrate to — omit when no
+   * direct successor exists. Distinct from {@link hideFromToolbar} (a rendering
+   * decision) and {@link preview} (unreleased). Remove config at end-of-life.
+   */
+  deprecated?: {
+    replacedBy?: string
+  }
   triggers?: {
     enabled: boolean
     available: string[] // List of trigger IDs this block supports

apps/sim/lib/posthog/events.ts

@@ -234,6 +234,12 @@ export interface PostHogEventMap {
     workflow_id: string
   }
 
+  deprecated_block_fix_clicked: {
+    block_type: string
+    workflow_id: string
+    kind: 'block' | 'model'
+  }
+
   knowledge_base_created: {
     knowledge_base_id: string
     workspace_id: string

apps/sim/providers/models.test.ts

@@ -5,10 +5,31 @@ import { describe, expect, it } from 'vitest'
 import {
   getBaseModelProviders,
   getHostedModels,
+  isModelDeprecated,
   orderModelIdsByReleaseDate,
   PROVIDER_DEFINITIONS,
 } from '@/providers/models'
 
+const DYNAMIC_PROVIDERS = new Set([
+  'ollama',
+  'ollama-cloud',
+  'vllm',
+  'litellm',
+  'openrouter',
+  'fireworks',
+  'together',
+  'baseten',
+])
+
+function firstDeprecatedModelId(): string | undefined {
+  for (const [providerId, provider] of Object.entries(PROVIDER_DEFINITIONS)) {
+    if (DYNAMIC_PROVIDERS.has(providerId)) continue
+    const dep = provider.models.find((m) => m.deprecated)
+    if (dep) return dep.id
+  }
+  return undefined
+}
+
 /** Maps a lowercased model ID to its provider's index in the catalog. */
 const PROVIDER_INDEX_BY_MODEL = new Map<string, number>()
 /** Maps a lowercased model ID to its release time (ms), or null when undated. */
@@ -294,3 +315,26 @@ describe('xai provider definition', () => {
     expect(getHostedModels()).toContain('grok-4.5')
   })
 })
+
+describe('isModelDeprecated', () => {
+  it('returns true for a catalogued deprecated model (case-insensitive)', () => {
+    const id = firstDeprecatedModelId()
+    expect(id).toBeDefined()
+    expect(isModelDeprecated(id!)).toBe(true)
+    expect(isModelDeprecated(id!.toUpperCase())).toBe(true)
+  })
+
+  it('returns false for the default model of every provider', () => {
+    for (const provider of Object.values(PROVIDER_DEFINITIONS)) {
+      if (provider.defaultModel) expect(isModelDeprecated(provider.defaultModel)).toBe(false)
+    }
+  })
+
+  it('returns false for empty, unknown, and dynamic-provider ids', () => {
+    expect(isModelDeprecated('')).toBe(false)
+    expect(isModelDeprecated(undefined)).toBe(false)
+    expect(isModelDeprecated(null)).toBe(false)
+    expect(isModelDeprecated('not-a-real-model')).toBe(false)
+    expect(isModelDeprecated('openrouter/some/model')).toBe(false)
+  })
+})

apps/sim/providers/models.ts

@@ -3850,6 +3850,22 @@ export function isKnownModelId(modelId: string): boolean {
   return false
 }
 
+const DEPRECATED_STATIC_MODEL_IDS = new Set<string>()
+for (const [providerId, provider] of Object.entries(PROVIDER_DEFINITIONS)) {
+  if ((DYNAMIC_MODEL_PROVIDERS as readonly string[]).includes(providerId)) continue
+  for (const model of provider.models) {
+    if (model.deprecated) DEPRECATED_STATIC_MODEL_IDS.add(model.id.toLowerCase())
+  }
+}
+
+/**
+ * Whether a stored model id is a deprecated static-catalog model. Dynamic-provider
+ * and unknown ids are never deprecated (they carry no static catalog entry).
+ */
+export function isModelDeprecated(modelId: string | undefined | null): boolean {
+  return !!modelId && DEPRECATED_STATIC_MODEL_IDS.has(modelId.toLowerCase())
+}
+
 function getRecommendedModels(): string[] {
   const models: string[] = []
   for (const [providerId, provider] of Object.entries(PROVIDER_DEFINITIONS)) {

apps/sim/scripts/check-block-registry.ts

@@ -26,7 +26,7 @@
 
 import { execSync } from 'child_process'
 import { SUBBLOCK_ID_MIGRATIONS } from '@/lib/workflows/migrations/subblock-migrations'
-import { getAllBlocks, getBlockMeta } from '@/blocks/registry'
+import { getAllBlocks, getBlock, getBlockMeta } from '@/blocks/registry'
 import { tools as toolRegistry } from '@/tools/registry'
 
 const baseRef = process.argv[2] || 'HEAD~1'
@@ -280,6 +280,38 @@ function checkIntegrationMetaCoverage(): CheckResult {
   return { kind: 'fail', errors }
 }
 
+function checkDeprecationReplacedBy(): CheckResult {
+  const errors: string[] = []
+
+  for (const block of getAllBlocks()) {
+    const replacedBy = block.deprecated?.replacedBy
+    if (!replacedBy) continue
+
+    const target = getBlock(replacedBy)
+    if (!target) {
+      errors.push(
+        `Block "${block.type}" is deprecated with replacedBy: '${replacedBy}', but no such block exists.`
+      )
+      continue
+    }
+    if (target.deprecated) {
+      errors.push(
+        `Block "${block.type}" points replacedBy: '${replacedBy}', but that block is itself deprecated.`
+      )
+    }
+    if (target.preview) {
+      errors.push(
+        `Block "${block.type}" points replacedBy: '${replacedBy}', but that block is preview (not GA).`
+      )
+    }
+  }
+
+  if (errors.length === 0) {
+    return { kind: 'pass', message: 'Deprecation replacedBy check passed' }
+  }
+  return { kind: 'fail', errors }
+}
+
 function reportResult(label: string, failureHeader: string, result: CheckResult): boolean {
   if (result.kind === 'pass') {
     console.log(`✓ ${result.message}`)
@@ -300,6 +332,7 @@ function reportResult(label: string, failureHeader: string, result: CheckResult)
 const stabilityResult = checkSubblockIdStability()
 const canonicalResult = checkCanonicalIdContract()
 const metaCoverageResult = checkIntegrationMetaCoverage()
+const deprecationResult = checkDeprecationReplacedBy()
 
 const stabilityOk = reportResult(
   'Subblock ID stability check',
@@ -319,4 +352,10 @@ const metaCoverageOk = reportResult(
   metaCoverageResult
 )
 
-process.exit(stabilityOk && canonicalOk && metaCoverageOk ? 0 : 1)
+const deprecationOk = reportResult(
+  'Deprecation replacedBy check',
+  'A deprecated block must point replacedBy at a real, GA, non-deprecated successor.',
+  deprecationResult
+)
+
+process.exit(stabilityOk && canonicalOk && metaCoverageOk && deprecationOk ? 0 : 1)

packages/workflow-renderer/src/workflow-block/workflow-block-view.tsx

@@ -70,6 +70,12 @@ export interface WorkflowBlockViewProps {
   /** Connection-cycle guard; reads fresh edge state on every call. */
   wouldCreateConnectionCycle: (source: string, target: string) => boolean
 
+  /** Deprecation badge — editor-only. When set, an amber "deprecated" badge shows;
+   * clicking (gated on `canFixDeprecation`) invokes `onFixDeprecation`. */
+  deprecationTooltip?: string
+  canFixDeprecation?: boolean
+  onFixDeprecation?: () => void
+
   /** Child-workflow deploy badge state — editor-only; omit in read-only contexts. */
   isWorkflowSelector?: boolean
   childWorkflowId?: string
@@ -132,6 +138,9 @@ export function WorkflowBlockView({
   routerRows,
   routerContextValue,
   wouldCreateConnectionCycle,
+  deprecationTooltip,
+  canFixDeprecation,
+  onFixDeprecation,
   isWorkflowSelector,
   childWorkflowId,
   childIsDeployed,
@@ -222,6 +231,38 @@ export function WorkflowBlockView({
             />
           </div>
           <div className='relative z-10 flex flex-shrink-0 items-center gap-1'>
+            {deprecationTooltip && (
+              <Tooltip.Root>
+                <Tooltip.Trigger asChild>
+                  <Badge
+                    variant='amber'
+                    className={canFixDeprecation ? 'cursor-pointer' : 'cursor-not-allowed'}
+                    dot
+                    role={canFixDeprecation ? 'button' : undefined}
+                    tabIndex={canFixDeprecation ? 0 : undefined}
+                    onClick={(e) => {
+                      e.stopPropagation()
+                      if (canFixDeprecation) onFixDeprecation?.()
+                    }}
+                    onKeyDown={
+                      canFixDeprecation
+                        ? (e) => {
+                            e.stopPropagation()
+                            handleKeyboardActivation(e, () => onFixDeprecation?.())
+                          }
+                        : undefined
+                    }
+                  >
+                    deprecated
+                  </Badge>
+                </Tooltip.Trigger>
+                <Tooltip.Content>
+                  <span className='text-sm'>
+                    {canFixDeprecation ? deprecationTooltip : 'Edit access required to fix'}
+                  </span>
+                </Tooltip.Content>
+              </Tooltip.Root>
+            )}
             {isWorkflowSelector &&
               childWorkflowId &&
               typeof childIsDeployed === 'boolean' &&