{"type":"post","id":"epic-ships-unreal-engine-5-9-megajam-preview-62f989","slug":"epic-ships-unreal-engine-5-9-megajam-preview-62f989","title":"Epic ships Unreal Engine 5.9 MegaJam Preview, built mainly with agentic workflows","description":"Epic says Unreal Engine 5.9 MegaJam Preview is the first Unreal Engine release built primarily with agentic workflows.","retrieval_nugget":"Epic says Unreal Engine 5.9 MegaJam Preview is the first Unreal Engine release built primarily with agentic workflows. A small group of engineers directed fleets of agents to port AI tooling and add web support, while reviewing and testing the work. The release is an unusually concrete case of agent-assisted development—and a preview with deliberately limited QA.","published_at":"2026-11-11","updated_at":"2026-11-11","record_date":"2026-11-11","date_kind":"published_at","topics":["mcp","claude","claude-code"],"entities":["Epic Games","Unreal Engine 5.9 MegaJam Preview","Unreal MCP","Unreal Assistant","Unreal Canvas","Claude Code","Codex","Cursor"],"related_patterns":["ai-native-orgs-move-to-review-and-orchestration"],"novelty_label":"new_fact","what_changed":"Epic has released Unreal Engine 5.9 MegaJam Preview, built mainly with agentic workflows and including experimental AI tooling and web-platform support.","prior_refs":["https://newruntime.com/posts/epic-s-ai-first-pivot-escalates-into-public-f028ca/","https://newruntime.com/posts/ramen-open-sources-aura-autopilot-an-in-editor-699173/"],"source_url":"https://forums.unrealengine.com/t/unreal-engine-5-9-megajam-preview/2852840","source_urls":["https://forums.unrealengine.com/t/unreal-engine-5-9-megajam-preview/2852840"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:epic-ships-unreal-engine-5-9-megajam-preview-62f989","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/epic-ships-unreal-engine-5-9-megajam-preview-62f989/","markdown":"https://newruntime.com/posts/epic-ships-unreal-engine-5-9-megajam-preview-62f989.md","json":"https://newruntime.com/posts/epic-ships-unreal-engine-5-9-megajam-preview-62f989.json"},"markdown_url":"https://newruntime.com/posts/epic-ships-unreal-engine-5-9-megajam-preview-62f989.md","next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/claude-code/","url":"https://newruntime.com/topics/claude-code/","title":"Claude Code","reason":"Explore the claude-code topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude-code.md","json_url":"https://newruntime.com/topics/claude-code.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}