Changelog

Version history and release notes for Radiance.

v2.3.3 March 30, 2026 Latest

Removed (Legacy)

Radiance Cinematic Encoder (Legacy): Retired in favor of the standard Cinematic Prompt Encoder.
Radiance Save EXR/HDR: Replaced by the unified ◎ Radiance Write node.
Radiance Load EXR & Sequence: Replaced by the unified ◎ Radiance Read ecosystem.
Radiance Save 16-bit PNG/TIFF: Functionality merged into main export nodes.

Improved

Documentation: Full audit and cleanup of the node reference suite. Reduced technical debt by removing 5 legacy nodes from documentation and code.
Repository Hygiene: Cleaned up temporary files, development caches, and optimized the package for Comfy Registry and GitHub release.

v2.3.1 late March 2026 Previous

Added

Smart Overwrite Protection: Automated index detection and overwrite prevention for ◎ Radiance Write and ◎ Radiance Save EXR.
Universal Digital Cinema I/O: Consolidated high-performance pipeline for Video, Image Sequence, and Single Image handling.
Robust Pipeline Validation: Enhanced null-safety and input checking across all core nodes for production stability.
Grade Match Enhancements: Improved CIE L\*a\*b\* statistics transfer for even more accurate shot-to-shot matching.

Changed

Viewer Export: Removed redundant EXR export options from the viewer HUD to prioritize specialized 32-bit save nodes with overwrite protection.
Performance: Optimized memory management for large 4K 32-bit linear buffers during temporal smoothing.

v2.3 March 2026

Added

Industry-Grade Delivery Suite: Complete overhaul of the export pipeline. Includes Render Range (In/Out), Cinematic Letterboxing (2.35:1, 1.85:1, etc.), Extended Burn-ins (Frame #, LUT Name, Custom Text), ASC CDL metadata sidecars, and automated Folder Reveal.
Video-Native Workflow: Radiance Viewer now accepts VIDEO and IMAGE inputs interchangeably with real-time frame extraction. Includes Temporal Smooth and Flicker Analyze.
Cinematic Prompt Enhancer: Built-in AI refinement widget in Cinematic Prompt Machine for physically-accurate camera/lighting prompts.
Terminal HUD & Live REPL: Live Python REPL embedded directly in the Radiance Viewer. Features a persistent namespace, 30-sec timeout guard, and pre-injected modules.
Interactive Mask Editor: Radiance Load Image node now includes a non-destructive soft-brush mask editor for immediate compositing.
Sampler Pro & VAE v2.2: Flux-optimized sampling with phase-shift logic, dynamic guidance, and native 32-bit parameter encoding.
Radiance 32-bit Denoise: New edge-preserving bilateral filter for 32-bit float images.
Grade Match & LUT Pipeline: Match source color statistics to a reference using CIE LAB transfer and bake 33³ .cube LUTs.

Changed

◎ Radiance Depth Map: Renamed from Depth Map Generator. Internal class name unchanged. Standardizes spatial-temporal consistency for Video.
Viewer UI: Added Toolbar Group Labels, improved Panel Typography, updated Bottom Dock Colors, and fixed layout spacing.
Output Path Unification: Widget parameter renamed to output_path across RadianceWrite and RadianceSaveEXR.

Fixed

Added missing import json to nodes_radiance_viewer.py.
Restored accidentally dropped exportToCDL() declaration.

v2.1.0 March 2026

Added

Professional Color Grading Suite: Real-time Primary Log Wheels, Secondary controls, Printer Lights, and 33-point LUT processing built directly into the Viewer.
Cinematic Lens Signatures & Post FX: Advanced optical emulation including Cooke/Zeiss signature presets, Halation, Diffusion, Vignetting, Film Grain, and Chromatic Aberration.
Comparison Bridge: Store up to 8 live Reference Shelf snapshots in the viewer for real-time A/B wipe comparisons.
Nuke Bridge: Seamless robust connection to Foundry Nuke over TCP.
Security & Sanitization: Hardened security protocols across all inputs, file I/O operations, EXR loading, and network bridges based on extensive QA audit.

Changed

Radiance Pro Viewer overhaul: Upgraded scope UI layout, log-linear HDR scaling on histograms and real-time HDR loupe.
Branding Update: Standardized all node icons to ◎.
Renaming: "Cinema Studio" is now "Radiance Manager".

v1.1.0 January 2026

Added

Director's Suite: Lighting Studio, Physical Camera, and Region Director for prompts.
Visual Analysis: Professional Waveform Monitor and Vectorscope (`FXTDWaveform`, `FXTDVectorscope`).
Radiance Viewer: Dedicated `FXTD_RadianceViewer` node for high-fidelity image inspection.
DNA System: `FXTDDNAReader` for importing style/DNA configurations.
Cinematic Encoder: `FXTDCinematicPromptEncoder` for advanced prompt styling.

Changed

Technical Icon System: Unified Aperture icon system for all nodes (◎, ◉).
Documentation: Updated docs with new visual style and comprehensive node reference.

Removed

Legacy Nodes: Removed deprecated `FXTDSharpen32bit` and old color management experimental nodes.

v1.0.1 January 2026

Script Updates

nodes_loader.py: Implemented Unified Loader with FP8 weight support (e4m3fn/e5m2) and Dual CLIP loading for Flux/SD3 pipelines.
nodes_upscale.py: Introduced true 32-bit pipeline, Flux-specific presets, and multi-kernel resampling (Lanczos, Mitchell, Catmull-Rom).
nodes_hdr.py: Added OpenMP conflict fix, new HDRToneMap presets (Game Engine, Photography), and optimized GPU tonemapping.
nodes_camera.py: Added professional White Balance presets, Depth of Field with bokeh shapes, and Rolling Shutter simulation.
nodes_lut.py: Added LUTCache system for .cube files, GPU-accelerated trilinear interpolation, and support for multiple Log encodings (Log10, Log2, Ln).
__init__.py: Added startup dependency checks (OpenEXR, colour-science) and streamlined node registration.

Changed

Executor Refactor: Completely rewrote executor.py for improved safety, thread-safety, and performance.
Codebase Cleanup: Removed redundant nodes, test files, and consolidated node definitions.
Documentation Refinement: Removed outdated workflow docs and updated all pages with new theme consistency.

Fixed

HDR Clamping: Fixed issue where 32-bit EXR values were clipped at 1.0 (reworked HDRShadowHighlightRecovery).
Radiance Viewer Display: Fixed display issue with 16-bit image types ((1,1,3), <u2).
Canvas Resizing: Improved dynamic resizing behavior in Viewer.

v1.0.0 January 2026

Added

FXTD Radiance Sampler with native Flux support and sigma shifting.
FXTD Workflow Builder node with AI agent and preset modes.
62 professional HDR nodes for complete color pipeline.
GPU-accelerated tone mapping, scopes, and upscaling.
Radiance Pro Viewer with histogram, waveform, vectorscope, false color.
Comprehensive documentation with interactive search.
ARRI Alexa 35 Textures for Film Grain node.
High Pass (Overlay) sharpening mode in Film Effects.
Pre-Tonemap Sharpening for better detail preservation.

Changed

Consolidated GPU and CPU tone mapping into single HDRToneMap node.
Improved waveform and vectorscope performance with vectorized operations.
Reorganized node categories under FXTD STUDIO/Radiance hierarchy.
Refined Menu Structure: Organized into localized categories (HDR, Color, Film Look, etc.).
Consolidated Nodes: Validated and merged sharpening logic into Film Effects.
Optimized Preset Priorities: Master > Film > Camera > Lens hierarchy.

Removed

Legacy Workflow Builder node (deprecated).
Simple to Flux and Prompt Presets (features merged or deprecated).
Removed redundant GPUHDRToneMap node (use HDRToneMap with use_gpu toggle).
Removed debug scripts from distribution.

Beta 2 December 2025

Added

Film grain and halation effects with authentic emulation
30+ camera sensor simulations
20+ film stock emulations
ACES color management pipeline

Fixed

HDRHistogram error handling for edge cases
EXR export color space metadata

Beta 1 November 2025

Added

Complete 32-bit HDR processing pipeline
Professional scopes (histogram, waveform, vectorscope)
EXR file support with OpenEXR
LogC and other log curve encoding/decoding
AI upscaling with Real-ESRGAN models
Tile-based processing for large images

Alpha October 2025

Added

Initial development release
Basic HDR image viewer
Float32 image conversion
Basic tone mapping operators