# n8n n8n@2.28.4 — Release & Upgrade Intelligence
- **Product:** n8n (https://n8n.io)
- **Version:** n8n@2.28.4
- **Released:** Jul 01, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/n8n/updates/n8n-2.28.4/

## Executive Summary (TL;DR)
n8n n8n@2.28.4. Source highlight: **AI Agent Node:** Preserve parallel tool call structure in chat memory (#33307) (5f266e6)

## New Features
- **core:** Add N8N_RUNNERS_ALLOW_TRANSITIVE_IMPORTS for the Python task runner (#33266) (922cd4e)
- **editor:** Hide gateway-incompatible node parameters under managed credentials (#33288) (acdd374)

## Bug Fixes
- **AI Agent Node:** Preserve parallel tool call structure in chat memory (#33307) (5f266e6)
- **core:** Ensure project variables override same-key global variables (#33232) (e5fffa2)
- **core:** Send Digest auth credentials only after the server challenge (#33328) (27bcadb)
- **core:** Skip AI Gateway managed credentials in pre-execution permission check (#33278) (a41348f)
- **editor:** Fix InputTriple responsive behaviour in NDV parameters (#33205) (5f96beb)
- **editor:** Surface Human review node in add-node search (#33317) (8d3b3ce)