55 lines
2.5 KiB
Markdown
55 lines
2.5 KiB
Markdown
# Unreal Engine — Version Reference
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| Field | Value |
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|-------|-------|
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| **Engine Version** | Unreal Engine 5.7 |
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| **Release Date** | November 2025 |
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| **Project Pinned** | 2026-02-13 |
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| **Last Docs Verified** | 2026-02-13 |
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| **LLM Knowledge Cutoff** | May 2025 |
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## Knowledge Gap Warning
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The LLM's training data likely covers Unreal Engine up to ~5.3. Versions 5.4, 5.5,
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5.6, and 5.7 introduced significant changes that the model does NOT know about.
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Always cross-reference this directory before suggesting Unreal API calls.
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## Post-Cutoff Version Timeline
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| Version | Release | Risk Level | Key Theme |
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|---------|---------|------------|-----------|
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| 5.4 | ~Mid 2025 | HIGH | Motion Design tools, animation improvements, PCG enhancements |
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| 5.5 | ~Sep 2025 | HIGH | Megalights (millions of lights), animation authoring, MegaCity demo |
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| 5.6 | ~Oct 2025 | MEDIUM | Performance optimizations, bug fixes |
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| 5.7 | Nov 2025 | HIGH | PCG production-ready, Substrate production-ready, AI assistant |
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## Major Changes from UE 5.3 to UE 5.7
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### Breaking Changes
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- **Substrate Material System**: New material framework (replaces legacy materials)
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- **PCG (Procedural Content Generation)**: Production-ready, major API changes
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- **Megalights**: New lighting system (millions of dynamic lights)
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- **Animation Authoring**: New rigging and animation tools
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- **AI Assistant**: In-editor AI guidance (experimental)
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### New Features (Post-Cutoff)
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- **Megalights**: Dynamic lighting at massive scale (millions of lights)
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- **Substrate Materials**: Production-ready modular material system
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- **PCG Framework**: Procedural world generation (production-ready in 5.7)
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- **Enhanced Virtual Production**: MetaHuman integration, deeper VP workflows
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- **Animation Improvements**: Better rigging, blending, procedural animation
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- **AI Assistant**: In-editor AI help (experimental)
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### Deprecated Systems
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- **Legacy Material System**: Migrate to Substrate for new projects
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- **Old PCG API**: Use new production-ready PCG API (5.7+)
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## Verified Sources
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- Official docs: https://docs.unrealengine.com/5.7/
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- UE 5.7 release notes: https://dev.epicgames.com/documentation/en-us/unreal-engine/unreal-engine-5-7-release-notes
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- What's new in 5.7: https://dev.epicgames.com/documentation/en-us/unreal-engine/whats-new
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- UE 5.7 announcement: https://www.unrealengine.com/en-US/news/unreal-engine-5-7-is-now-available
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- UE 5.5 blog: https://www.unrealengine.com/en-US/blog/unreal-engine-5-5-is-now-available
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- Migration guides: https://docs.unrealengine.com/5.7/en-US/upgrading-projects/
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