# Dify 1.13.0 — Release & Upgrade Intelligence
- **Product:** Dify (https://dify.ai)
- **Version:** 1.13.0
- **Released:** Feb 11, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/dify/updates/1.13.0/

## Executive Summary (TL;DR)
Dify 1.13.0. Source highlight: Human-in-the-Loop (HITL)

## New Features
- **Flexible Delivery Methods:** Human input forms can be delivered via **Webapp** or **Email**. In cloud environments, Email delivery availability may depend on plan/feature settings.
- Added migration-time deduplication and a unique constraint for tenant default models to prevent duplicate default model records.
- Added a Service API endpoint for end-user lookup with tenant/app scope enforcement.
- Added Dutch (`nl-NL`) language support across backend language mapping and web localization resources.
- feat: use latest hash to sync draft
- feat: account delete cleanup

## Improvements
- Reduced backend load and console latency with plugin manifest pre-caching and `AppListApi` query optimizations.
- Improved large-data task stability with split DB sessions, batched cleanup execution, index tuning, and configurable inter-batch throttling for retention cleanup jobs.
- Improved workflow run history refresh behavior during run state transitions.
- Enhanced MCP Tool integration by extracting and reporting usage metadata (for example, token/cost fields) from MCP responses.
- perf(api): Optimize the response time of AppListApi endpoint
- perf: use batch delete method instead of single delete

## Bug Fixes
- Fixed a tools-deletion edge case caused by provider ID type mismatch.
- Fixed a FastOpenAPI integration regression where authenticated users could be resolved as anonymous in remote file APIs.
- Fixed message event type detection for file-related responses, and hid the workspace invite action for non-manager users.
- fix: remove api reference doc link en prefix
- fix: missing import console_ns
- fix: fix mcp server status is not right