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https://github.com/Donchitos/Claude-Code-Game-Studios
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58 lines
2.6 KiB
Markdown
58 lines
2.6 KiB
Markdown
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# Unity Engine — Version Reference
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| Field | Value |
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|-------|-------|
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| **Engine Version** | Unity 6.3 LTS |
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| **Release Date** | December 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 Unity up to ~2022 LTS (2022.3). The entire
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Unity 6 release series (formerly Unity 2023 Tech Stream) introduced significant
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changes that the model does NOT know about. Always cross-reference this directory
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before suggesting Unity 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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| 6.0 | Oct 2024 | HIGH | Unity 6 rebrand, new rendering features, Entities 1.3, DOTS improvements |
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| 6.1 | Nov 2024 | MEDIUM | Bug fixes, stability improvements |
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| 6.2 | Dec 2024 | MEDIUM | Performance optimizations, new input system improvements |
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| 6.3 LTS | Dec 2025 | HIGH | First LTS since 6.0, production-ready DOTS, enhanced graphics features |
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## Major Changes from 2022 LTS to Unity 6.3 LTS
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### Breaking Changes
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- **Entities/DOTS**: Major API overhaul in Entities 1.0+, complete redesign of ECS patterns
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- **Input System**: Legacy Input Manager deprecated, new Input System is default
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- **Rendering**: URP/HDRP significant upgrades, SRP Batcher improvements
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- **Addressables**: Asset management workflow changes
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- **Scripting**: C# 9 support, new API patterns
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### New Features (Post-Cutoff)
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- **DOTS**: Production-ready Entity Component System (Entities 1.3+)
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- **Graphics**: Enhanced URP/HDRP pipelines, GPU Resident Drawer
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- **Multiplayer**: Netcode for GameObjects improvements
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- **UI Toolkit**: Production-ready for runtime UI (replaces UGUI for new projects)
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- **Async Asset Loading**: Improved Addressables performance
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- **Web**: WebGPU support
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### Deprecated Systems
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- **Legacy Input Manager**: Use new Input System package
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- **Legacy Particle System**: Use Visual Effect Graph
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- **UGUI**: Still supported, but UI Toolkit recommended for new projects
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- **Old ECS (GameObjectEntity)**: Replaced by modern DOTS/Entities
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## Verified Sources
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- Official docs: https://docs.unity3d.com/6000.0/Documentation/Manual/index.html
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- Unity 6 release: https://unity.com/releases/unity-6
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- Unity 6.3 LTS announcement: https://unity.com/blog/unity-6-3-lts-is-now-available
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- Migration guide: https://docs.unity3d.com/6000.0/Documentation/Manual/upgrade-guides.html
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- Unity 6 support: https://unity.com/releases/unity-6/support
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- C# API reference: https://docs.unity3d.com/6000.0/Documentation/ScriptReference/index.html
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