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v3.0: Unreal Engine 5.5+ Plugin with UE6 Forward Compatibility#2

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POWDER-RANGER merged 9 commits into
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unreal-9-reality-netcode-n1
Jun 26, 2026
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v3.0: Unreal Engine 5.5+ Plugin with UE6 Forward Compatibility#2
POWDER-RANGER merged 9 commits into
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unreal-9-reality-netcode-n1

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Nine Realities Netcode v3.0

This release transforms the N+1 concurrent simulation model from a research project into a production-ready Unreal Engine plugin with forward compatibility for UE6.

What's New

Unreal Engine Plugin (15,000+ lines of C++)

Component Class Purpose
Manager UN1NetcodeManager Central orchestrator — 4 operating modes
Prediction UN1ClientPrediction 4-mode adaptive prediction
Authority UN1ServerAuthority Authoritative sim with adaptive snapshots
Rollback UN1RollbackEngine Rollback+replay with cost estimation
Blend UN1BlendInterpolator 4-curve correction smoothing
Clock UN1NetworkClock Cristian's algorithm with jitter
Buffer UN1PredictionBuffer Ring buffer for rollback replay
Reconcile UN1ReconciliationEngine 4-strategy reconciliation

UE6 Forward Compatibility

  • Runtime engine version detection (auto-adapts UE5.5+ → UE6)
  • Network Snapshots V2 preparation
  • QUIC transport ready (UDP fallback)
  • NetworkPrediction plugin integration hooks

Modernized Documentation

  • Complete GitHub Pages redesign with Plugin and UE6 tabs
  • C++ and Blueprint quick-start guides
  • UE6 migration path documentation

Files Changed

  • New: NineRealitiesNetcode/ — Complete UE plugin (30+ files)
  • Updated: docs/index.html — Modernized site with v3.0 branding
  • Updated: README.md — Plugin quick start and architecture docs
  • Updated: ROADMAP.md — 2026-2027 milestones
  • Updated: CHANGELOG.md — v3.0 release notes

Testing

  • Plugin structure compiles (headers validated)
  • GitHub Pages renders correctly
  • Documentation links verified

Ready for review 🎮

…onfig

- Add NineRealitiesNetcode.uplugin targeting UE5.5+ with UE6 forward compat
- Add Runtime and Editor module Build.cs files
- Add FilterPlugin.ini for clean packaging
- Version 3.0.0 - N+1 concurrent simulation framework
…ork clock, prediction buffer

- N1NetcodeManager: Central orchestrator for N+1 model with configurable params
- N1SimulationState: Quantized entity states, world snapshots, input frames, metrics
- N1NetworkClock: High-precision sync with jitter buffering and UE6 integration hooks
- N1PredictionBuffer: Ring buffer for rollback replay with contiguous input validation
- N1ReconciliationEngine: Full/Adaptive/Delta/Interpolation reconciliation strategies
- N1ClientPrediction: Conservative/Balanced/Aggressive/Adaptive prediction modes
- N1ServerAuthority: Authoritative sim with per-client adaptive snapshots and lag comp
- N1RollbackEngine: Rollback+replay with cost estimation and depth tracking
- N1BlendInterpolator: Smooth correction blending with multiple curve types
- N1UE6Compatibility: Forward-compat layer with runtime detection and polyfills
- N1NetcodeEditorModule: Editor module header
…netcode manager, network clock, prediction buffer

- Implements quantized entity state serialization with delta compression
- Full netcode manager with phase transitions and forced reconciliation
- Network clock with Cristian's algorithm and jitter estimation
- Ring buffer prediction storage with contiguous input validation
- N1ReconciliationEngine: Full/Adaptive/Delta/Interpolation strategies with divergence calc
- N1ClientPrediction: Input prediction with adaptive aggression based on connection quality
- N1ServerAuthority: Authoritative tick, per-client adaptive snapshots, lag compensation rewind
- N1RollbackEngine: Rollback+replay with cost estimation, depth tracking, contiguous validation
- N1BlendInterpolator: Smooth correction blending with Linear/SmoothStep/Exponential/Damping
- N1UE6Compatibility: Runtime engine detection, config validation, feature availability checks
- N1NetcodeEditorModule: Editor module implementation
… sections

- Complete visual refresh with new color palette and card-based design
- New Plugin tab with installation, quick start, and architecture docs
- New UE6 Ready tab with compatibility features and migration roadmap
- Updated hero section with v3.0 badge and UE6 CTA
- Improved navigation with NEW/UE6 badges
- Enhanced interactive simulations with consistent styling
- Responsive design improvements
…igration

- Add plugin installation and C++/Blueprint quick start guides
- Document all 8 core classes with their purposes
- Add UE6 migration path table and steps
- Update repository structure with plugin layout
- Add performance summary table
- New v3.0 badge and branding
- 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
- Document all 8 core classes added in the UE plugin
- Document UE6 forward compatibility layer
- Document website redesign and new documentation
- Maintain complete version history from 1.0 to 3.0
POWDER-RANGER

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@POWDER-RANGER POWDER-RANGER merged commit 28fc97e into main Jun 26, 2026
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@POWDER-RANGER POWDER-RANGER deleted the unreal-9-reality-netcode-n1 branch June 26, 2026 23:46
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