2.20.0 (2026-05-05)

Bug Fixes

• ai-builder: Add boundaries on the workflow builder remediation loops (#29430) (2259f32)
• ai-builder: Allow skipping final ask-user question (#29563) (661f990)
• ai-builder: Filter LangSmith eval dataset by local file slugs (#29507) (54d9286)
• ai-builder: Handle properties with contradicting displayOptions as OR alternatives instead of AND (#29500) (84ac811)
• ai-builder: Stop builder from adding auth to inbound trigger nodes by default (#29648) (c28d501)
• Allow 5-field cron expressions with step values in polling nodes (#29447) (d18f183)
• Anthropic Chat Model Node: Add adaptive thinking mode for Claude Opus 4.7+ (#29467) (90d875c)
• Compare Datasets Node: Preserve falsy values in mix mode except fields (#29666) (62ddc5c)
• core: Accept placeholder() inside node credentials slot (#29691) (dc6bd68)
• core: Acquire expression isolate for dynamic node parameter requests (#29671) (418f1f2)
• core: Add file path validation to localFile source (#29464) (7277566)
• core: Add GET handler to MCP endpoint for Streamable HTTP spec compliance (#28787) (4ae0322)
• core: Add timeout to external secrets provider refresh (#29679) (e350429)
• core: Apply credential allowed domains in declarative node requests (#29082) (8551b1b)
• core: Correct LDAP search filter construction (#29388) (32dd743)
• core: Fix code node executions hanging when idle timer overlaps with task acceptance (#29239) (7bd3532)
• core: Fix MCP OAuth discovery URL construction and grant type selection (#27283) (d92ec16)
• core: Force saving executions when instance AI executes WFs (#29515) (ef56501)
• core: Gate Instance AI edits to pre-existing workflows (#29501) (6175fd6)
• core: Generate array types for properties with multipleValues (#29410) (fb65c61)
• core: Handle missing runData during execution recovery (#29513) (8b7b4f5)
• core: Harden Set node workflow SDK contract (#29568) (625ed5e)
• core: Include stack trace in error logs for non-ApplicationError errors (#29496) (16d1461)
• core: Increase default task runner grant token TTL to 30s (#29443) (328f4b8)
• core: Isolate expressions on chat resumption and test webhook deactivation (#29703) (568e5a2)
• core: Make MCP client registration cap tunable and surface a proper limit error (#29429) (dad4231)
• core: Make task runner grant token TTL configurable (#29357) (3f350a8)
• core: Pass nodeTypesProvider to validate workflows fully at instance AI (#29333) (388cd79)
• core: Persist execution context before writing to db (#28973) (c4bb5ae)
• core: Recreate data table backing tables on entity import (#29454) (6bca1fa)
• core: Reject empty webhookMethods in community lint rule (#29474) (34d7a02)
• core: Reset Redis retry counter on successful reconnect (#29377) (7722023)
• core: Respect global admin scope when listing favorites (#29472) (d9d1e7c)
• core: Restore peer project discovery in share dropdowns (#29537) (2a0e2fb)
• core: Round fractional time saved values before inserting into insights BIGINT column (#29553) (74d55b9)
• core: Show AI Builder draft workflows in workflow list (#29670) (dc52bbd)
• core: Use editor base URL for workflow and execution links (#23630) (896461b)
• core: Validate workflow import URL requests (#29178) (ecd0ba8)
• core: Wire EncryptionKeyProxy provider on bootstrap (#29581) (ee7260c)
• DeepL Node: Update credentials to use header-based authentication (#24614) (b72bd19)
• Drop template search tools from builder (#29573) (9b00ccb)
• editor: Add proper bg color for hover state with color-mix() (#29590) (6698c42)
• editor: Align message box button radius with N8nButton (#29397) (bc315d0)
• editor: Fix OAuth2 credential showing "Needs first setup" after connecting (#29617) (243f665)
• editor: Fix sub-workflow folder placement and connection loss (#28770) (44579d6)
• editor: Ignore paste events on read-only canvas (#29673) (34c49b9)
• editor: Keep publish actions menu enabled for published workflows (#29396) (c65fa28)
• editor: Load more executions on tall screens (#29407) (a273a9d)
• editor: Make instance ai resource link chips open resources (#29577) (b97ca36)
• editor: Make textarea resize handle accessible in NDV (#29676) (9fda733)
• editor: Mark workflow dirty after debug pinData changes (#28886) (2beb006)
• editor: Never block publishing on node execution issues (#29479) (5a56459)
• editor: Polish encryption keys date range filter (#29569) (56412bc)
• editor: Remove clipping for focus panel textarea (#28677) (5361257)
• editor: Restore read-only mode for archived workflows on canvas (#29559) (a7ef741)
• editor: Show permission-aware message on redacted input/output panels (#29521) (83c400e)
• editor: Surface unofficial verified community node tools in AI Tools picker (#28985) (f77dfd1)
• Fix ollama node url path and thinking tokens (#23963) (4ea1153)
• Google Drive Node: Resolve original file name when copying with empty name (#28896) (c274976)
• Merge Node: Improve SQL Query mode memory efficiency and error reporting (#28993) (12275c8)
• Microsoft Outlook Trigger Node: Use per-folder endpoints for folder-scoped message polling (#29663) (f401f91)
• No Credits state for n8n Connect badge (#29375) (47ad397)
• Notion Node: Support app.notion.com URL format for page and block ID extraction (#29554) (221c7f7)
• Postgres Node: Output Large-Format Numbers As option ignored after pool is cached (#29477) (a65e181)
• Salesforce Node: Allow overriding JWT audience with My Domain URL (#29016) (9decb1e)
• Schedule Node: Cap day-of-month jitter at 28 (#29614) (86f47ee)
• Skip AI tool generation for community trigger nodes (#29453) (c724dac)
• Snowflake Node: Avoid call stack overflow on large result sets (#29200) (b2ac67f)
• Telegram Trigger Node: Drop pending updates when creating a new webhook (#29103) (4358f1d)
• Todoist Node: Migrate to Todoist unified API v1 endpoints (#29532) (5799481)
• Use explicit node references for AI memory session keys (#29473) (139b803)
• Validate sql (#24706) (47a6658)
• Zammad Node: Add To and CC fields for email articles (#28860) (e04f027)

Features

• Add instance-level JWKS URI endpoint for JWE public key distribution (#29498) (794334c)
• Add no-runtime-dependencies ESLint rule (#29366) (8aace75)
• Add pairwise workflow eval pipeline (#29123) (fdceec2)
• Add valid-credential-references ESLint rule (#29452) (c6c6f8f)
• core: Add --include and --exclude flags to import:credentials command (#29364) (f5132b9)
• core: Add configurable event log path per process (#29403) (45effb8)
• core: Add endpoint to toggle mcp access for multiple workflows (#29007) (0d907d6)
• core: Add JWE decryption to OAuth2 credential flow (#29497) (ad7cdcc)
• core: Add MCP tool search executions (#29161) (1d9548c)
• core: Add migration for postgres variable values (#29489) (898ba5a)
• core: Add preAuthentication support to requestOAuth2 pipeline (#29418) (473d49c)
• core: Bootstrap legacy CBC and initial GCM encryption keys on startup (#29400) (9576ab9)
• core: Broadcast workflow settings updates (#29459) (9cb1605)
• core: Decouple insights pruning max age from license (#29527) (45c18fb)
• core: Fix user access control logic (#29481) (484cb2e)
• core: Manage MCP settings via environment variables (#29368) (05e10e2)
• core: Run evaluation test cases in parallel behind PostHog rollout flag (#29412) (4c76aa1)
• core: Use versioned prebuilt Daytona snapshots for Instance AI sandboxes (#29359) (308d0b4)
• core: Warn and skip on duplicate scheduled executions (#28649) (b8b7571)
• editor: Add data encryption keys settings page (#29068) (656f9c2)
• editor: Add environment variable to disable workflow autosave (#25144) (a2afc47)
• editor: Add reveal redacted data permission to custom roles execution section (#29526) (be22095)
• editor: Add transition on Sidebar collapsed (#29650) (07b5343)
• editor: Hide model selector for unsupported AI Gateway actions (#29588) (0f7776e)
• editor: Move Switch component to core design system (#27322) (758f89c)
• editor: Track IdP role mapping in provisioning telemetry (#29416) (40da23f)
• editor: Update copy for mcp settings (#29399) (5f93b48)
• Include updatedAt in encryption key response DTO (#29424) (569f94b)
• instance-ai: Orchestrator-executed checkpoint tasks for planned workflow verification (#29049) (ad359b5)
• Netlify Trigger Node: Add webhook request verification (#29256) (1516ec7)
• Slack Node: Allow users to configure OAuth2 scopes (#28728) (aa0daf9)
• Validate workflow-sdk output topology against mode (#29363) (0a80722)