docs(ROADMAP): Update for v3.0 status and 2026-2027 planning

- Mark all v3.0 features as completed
- Add Q3/Q4 2026 goals for hardening and UE6 prep
- Add 2027+ vision for research and ecosystem growth
- Restructure around actual release milestones

Author: POWDER-RANGER

ROADMAP.md

@@ -1,89 +1,92 @@
 # Nine Realities Netcode Roadmap
 
-## Project Vision
-Building a production-ready multiplayer networking framework that implements the N+1 concurrent simulation model for state-of-the-art game networking.
-
-## Q1 2025 Goals
-
-### Core Framework (In Progress)
-- [x] Initial N+1 model architecture design
-- [x] Nine realities state management framework
-- [x] Documentation and research paper foundation
-- [ ] Core state reconciliation engine
-- [ ] Client-server protocol implementation
-- [ ] Time synchronization system
-
-### Examples & Demos
-- [x] Pseudocode examples for core concepts
-- [ ] Simple 2D physics demo implementation
-- [ ] Rocket League-inspired example
-- [ ] Performance benchmarking suite
-
-## Q2 2025 Goals
+## Current Status: v3.0 (June 2026)
+
+### ✅ Completed in v3.0
+
+#### Unreal Engine Plugin
+- [x] Complete N+1 model C++ implementation (15,000+ lines)
+- [x] `UN1NetcodeManager` — Central orchestrator with 4 operating modes
+- [x] `UN1ClientPrediction` — 4-mode adaptive prediction system
+- [x] `UN1ServerAuthority` — Authoritative simulation with adaptive snapshots
+- [x] `UN1RollbackEngine` — Rollback + replay with cost estimation
+- [x] `UN1BlendInterpolator` — 4-curve correction smoothing
+- [x] `UN1ReconciliationEngine` — 4-strategy reconciliation
+- [x] `UN1NetworkClock` — High-precision sync with jitter buffering
+- [x] `UN1PredictionBuffer` — Ring buffer for rollback replay
+- [x] Quantized state serialization with delta compression
+- [x] Full Blueprint support (UCLASS/UFUNCTION/UPROPERTY)
+- [x] Editor module for development tooling
+
+#### UE6 Forward Compatibility
+- [x] Runtime engine version detection
+- [x] UE6 compatibility layer with feature polyfills
+- [x] Network Snapshots V2 preparation
+- [x] QUIC transport configuration (with UDP fallback)
+- [x] NetworkPrediction plugin integration hooks
+
+#### Documentation & Site
+- [x] Modernized GitHub Pages (v3.0 design)
+- [x] Plugin installation and quick-start guides
+- [x] UE6 compatibility and migration documentation
+- [x] Updated README with plugin architecture
+
+---
+
+## Q3 2026 Goals
+
+### Plugin Hardening
+- [ ] Comprehensive unit test suite (Google Test)
+- [ ] Integration test framework with simulated network conditions
+- [ ] Stress testing: 64+ player matches
+- [ ] Memory profiling and optimization
+- [ ] Dedicated server build validation
 
 ### Advanced Features
-- [ ] Rollback netcode integration
-- [ ] Lag compensation mechanisms
-- [ ] Adaptive state prediction
-- [ ] Authority resolution system
-- [ ] Conflict resolution strategies
-
-### Performance & Optimization
-- [ ] Memory optimization for large player counts
-- [ ] Bandwidth optimization
-- [ ] Delta compression
-- [ ] Interest management system
-
-### Documentation
-- [ ] Complete API reference
-- [ ] Integration guides
-- [ ] Best practices documentation
-- [ ] Case studies from implementation
-
-## Q3 2025 Goals
-
-### Platform Integration
-- [ ] Unreal Engine 5 plugin
-- [ ] Unity integration package
-- [ ] Godot engine support
-- [ ] Custom engine integration guide
+- [ ] Interest management / spatial partitioning
+- [ ] Delta compression v2 with predictive encoding
+- [ ] Bandwidth-adaptive snapshot rates
+- [ ] Machine learning prediction assistance
+- [ ] Replay recording and playback system
+
+### Platform Support
+- [ ] Linux dedicated server optimization
+- [ ] Console platform validation (PS5, Xbox Series X)
+- [ ] Mobile network adaptation (high packet loss scenarios)
 
-### Testing & Validation
-- [ ] Comprehensive unit test suite
-- [ ] Integration test framework
-- [ ] Stress testing infrastructure
-- [ ] Real-world network condition simulation
+---
 
-## Q4 2025 Goals
+## Q4 2026 Goals
 
 ### Production Readiness
-- [ ] 1.0 Release candidate
+- [ ] 1.0 stable release candidate
 - [ ] Production deployment guide
-- [ ] Monitoring and debugging tools
 - [ ] Performance profiling utilities
+- [ ] Monitoring and debugging dashboard
+- [ ] Community sample projects
 
-### Community & Ecosystem
-- [ ] Developer community guidelines
-- [ ] Sample game projects
-- [ ] Tutorial video series
-- [ ] Conference presentations
+### UE6 Release Preparation
+- [ ] Validate against UE6 preview builds
+- [ ] Migrate to native UE6 APIs where available
+- [ ] QUIC transport production testing
+- [ ] NetworkPrediction plugin full integration
 
-## Long-term Vision (2026+)
+---
+
+## 2027+ Vision
 
 ### Research & Innovation
-- Research integration with machine learning prediction
-- Exploration of quantum networking concepts
-- Advanced security and anti-cheat integration
-- Cross-platform deterministic simulation
-
-### Industry Adoption
-- AAA game studio partnerships
-- Open-source community contributions
-- Academic research collaborations
-- Industry standard proposals
-
-## Contributing
-See [CONTRIBUTING.md](CONTRIBUTING.md) for how to contribute to this roadmap.
-
-## Updates
-This roadmap is reviewed and updated quarterly. Last updated: December 2025
+- [ ] ML-based predictive packet pacing
+- [ ] Deterministic physics across platforms
+- [ ] Advanced anti-cheat integration
+- [ ] Cross-play netcode optimization
+
+### Ecosystem
+- [ ] Unity port of core framework
+- [ ] Godot engine support
+- [ ] Industry standard proposal (GDC presentation)
+- [ ] Academic research collaborations
+
+---
+
+Last updated: June 2026