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