🚀 Release 2.18.2

[n8n-assistant]

2.18.2 (2026-04-23)

Bug Fixes

• ai-builder: Validate merge node connections matches 'numberInputs' parameter (#28857) (51aa79b)
• core: Fixes user search functionality in ProjectSettings for pr… (#28948) (c1ab423)

Features

• MiniMax Node: Add standalone MiniMax vendor node (#28868) (eb70651)

[cubic-dev-ai]

No issues found across 21 files

Architecture diagram

sequenceDiagram
    participant UI as Editor UI (Browser)
    participant Core as n8n Core Service
    participant AI as AI Builder Service (EE)
    participant DB as Database
    participant MiniMax as MiniMax API (External)

    Note over UI, DB: User & Project Management
    UI->>Core: Request user search (ProjectSettings)
    Core->>DB: CHANGED: Query users with updated search logic
    DB-->>Core: Filtered user list
    Core-->>UI: Return search results

    Note over UI, AI: AI Workflow Configuration
    UI->>AI: Validate Merge Node configuration
    AI->>AI: CHANGED: Verify incoming connections matches 'numberInputs'
    alt Validation Fails
        AI-->>UI: Return connection mismatch error
    else Validation Succeeds
        AI-->>UI: Connection valid
    end

    Note over Core, MiniMax: Workflow Execution
    Core->>Core: Process Workflow Graph
    opt NEW: MiniMax Node Execution
        Core->>MiniMax: POST /v1/text/chat (API Key + Prompt)
        MiniMax-->>Core: AI Response Data
    end
    Core-->>UI: Workflow Execution Finished

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[github-actions]

Performance Comparison

Comparing current → latest master → 14-day baseline

Memory consumption baseline with starter plan resources

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
memory-heap-used-baseline	114.19 MB	114.56 MB	114.47 MB (σ 0.23)	-0.3%	-0.2%	⚠️
memory-rss-baseline	351.73 MB	286.68 MB	289.59 MB (σ 40.91)	+22.7%	+21.5%	⚠️

docker-stats

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
docker-image-size-n8n	1269.76 MB	1290.24 MB	1274.58 MB (σ 10.93)	-1.6%	-0.4%	✅
docker-image-size-runners	386.00 MB	387.00 MB	391.94 MB (σ 10.84)	-0.3%	-1.5%	✅

Idle baseline with Instance AI module loaded

Metric	Current	Latest Master	Baseline (avg)	vs Master	vs Baseline	Status
instance-ai-heap-used-baseline	187.17 MB	186.83 MB	186.46 MB (σ 0.26)	+0.2%	+0.4%	🔴
instance-ai-rss-baseline	344.64 MB	343.82 MB	366.71 MB (σ 22.88)	+0.2%	-6.0%	✅

How to read this table

• Current: This PR's value (or latest master if PR perf tests haven't run)
• Latest Master: Most recent nightly master measurement
• Baseline: Rolling 14-day average from master
• vs Master: PR impact (current vs latest master)
• vs Baseline: Drift from baseline (current vs rolling avg)
• Status: ✅ within 1σ | ⚠️ 1-2σ | 🔴 >2σ regression