🚀 Release 2.15.0 - #27765
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🚀 Release 2.15.0#27765
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Bundle ReportBundle size has no change ✅ Affected Assets, Files, and Routes:view changes for bundle: editor-ui-esmAssets Changed:
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Architecture diagram
sequenceDiagram
participant User as User / Client
participant Editor as Editor UI (Frontend)
participant API as API Server (Backend)
participant RBAC as Role Mapping Service
participant DB as Database (Postgres/SQLite)
participant Exec as Workflow Execution Engine
participant Agent as @n8n/agents / AI SDK
participant OTEL as OpenTelemetry / Tracing
Note over User, OTEL: System Configuration & RBAC Flow
User->>Editor: Configure Role Mapping Rules
Editor->>API: POST /role-mapping-rule
API->>RBAC: NEW: Validate Rule Scope & Order
RBAC->>DB: NEW: Persist RoleMappingRule Entity
DB-->>API: Success
API-->>Editor: Rule Created/Moved
Note over User, OTEL: Workflow Execution & AI Agent Flow
User->>API: POST /workflows/:id/run (or Public API)
API->>Exec: startExecution()
Exec->>OTEL: NEW: Initialize workflow-level trace
Exec->>Exec: CHANGED: Resolve expressions (LRU Cache)
opt If AI/Agent Node
Exec->>Agent: NEW: Run Agent Logic / MCP Tool
Agent->>API: CHANGED: Call Tool (Refresh OAuth2 on 401)
alt MCP Tool Execution
Agent->>Exec: NEW: Execute 'Test Workflow' as Tool
Exec-->>Agent: Return Tool Result
end
Agent-->>Exec: Return structured output
end
alt Execution Success
Exec->>DB: CHANGED: Optimize deletion/cleanup
Exec->>OTEL: Export Trace
else Execution Failure (Unhappy Path)
Exec->>OTEL: NEW: Safe trace exporter (unhappy path handling)
Exec-->>API: Return Error (e.g., Empty Structured Output)
end
Note over User, DB: Management & Observability
User->>Editor: Open Workflow Diff / Versions
Editor->>API: GET /diff (or version history)
API->>DB: Fetch Version Cards
DB-->>Editor: NEW: Inline version data
User->>API: GET /healthz
API->>API: CHANGED: Resolve path with N8N_PATH logic
API-->>User: 200 OK
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2.15.0 (2026-03-30)
Bug Fixes
process.versionin expression sandbox (#26550) (fc0f071)/healthzendpoint when usingN8N_PATH(#27665) (4436e4b)/diffroute loading in demo mode (#27610) (197a431)Features
Performance Improvements