Changelog
Full version history for Light Wrangler. Newest releases first.
v4.2.9
March 12, 2026- Separate Glossy Color: Set a different color for glossy (specular) reflections independent of diffuse color.
- Scrim Preview: Preview now renders both diffuse and glossy lights when Diffuse/Glossy split is active, showing the combined color appearance.
- Fix: Rare crash on first install when background thumbnail downloads access Blender's online_access setting from worker threads.
v4.2.8
March 12, 2026- Fix: Add Light keyboard shortcut (F9) resetting to default after addon update or reinstall. User shortcut customizations now persist across updates.
- Change: Default Add Light shortcut changed from F9 to F7 to avoid conflict with Blender's Adjust Last Operation (F9).
- Fix: Custom IES folders showing only a subset of profiles instead of all files.
- Change: IES local folder label renamed from "textures" to "Profiles" in addon preferences.
- UI: Hide category dropdown when folder has no subcategories.
v4.2.7
March 11, 2026- False Color: Zone System and ARRI now show full Look options (Punchy, Greyscale, contrast controls) matching Blender's built-in False Color.
- False Color: Improved OCIO config descriptions.
v4.2.6
March 7, 2026- Fix: Console error when opening a fresh file with a custom cache path set.
v4.2.5
March 6, 2026- Fix: Scrim texture duplication when creating new scrim lights after Snapshot addon restore.
v4.2.4
March 6, 2026- Fix: Error messages when adding scrim lights ("Unable to pack file, source path not found").
v4.2.3
March 4, 2026- Scrim Textures: Externalize packed scrim images to cache directory to reduce .blend file size.
- Auto-Repair: Automatically restore dead V4 texture paths on file load (gobo, HDRI, IES). Relinks to current cache or downloads missing assets in background.
v4.2.2
March 2, 2026- Fix: Textures not populating new cache directory without restart when cache path is changed.
- Fix: Gobo panel UI error.
v4.2.1
March 2, 2026- Fix: Custom cache path not applying for zip-installed users.
v4.2.0
March 1, 2026- Fix: Default cache directory being recreated on every startup when custom path was set.
v4.1.9
February 28, 2026- Custom Cache Directory: Redirect downloaded textures (gobos, HDRIs, IES) to a NAS, external drive, or any custom location. Existing cache content is automatically copied to the new location.
v4.1.7
February 27, 2026- V3 Texture Repair Tool: Scans scenes for broken v3 Light Wrangler texture paths, downloads originals from the server, and relinks references.
- Fix: Duplicate image datablocks accumulating in Image Editor after node group loading.
v4.1.5
February 27, 2026- Internal packaging improvements.
v4.1.4
February 25, 2026- Fix: Performance lag when using custom texture folders.
- Fix: Scrim preview transparency bleed-through.
- Fix: Scrim background process error when running Blender in headless mode.
v4.1.3
February 13, 2026- Copy/Paste Light Settings: Added to right-click context menu.
- Blender 5.1 Support: Extended max supported Blender version to 5.1.9.
v4.1.1
February 10, 2026- HDRI Contrast Slider: Added Contrast slider to HDRI light customization panel.
- Fix: Addon freeze on activation when Scrim preview process fails to start.
v4.1.0
February 7, 2026- Mouse Drag Adjustment Mode: New "Adjustment Method" preference. Hold modifier keys and drag left/right to adjust light properties. Positioning is activated by holding 1/2/3 keys, eliminating accidental position jumps.
- Fallback Positioning: Lights, flags, and reflectors now appear at the cursor position along the view ray when no geometry is under the mouse.
- Camera Visibility Shortcut: V key now toggles camera visibility for Cycles area lights.
- Fix: S shortcut toggling to Ellipse instead of Disk for square/disk area lights.
v4.0.5
February 6, 2026- Adaptive Power Scaling: Adaptive Initial Size now also scales light power using inverse square law for consistent illumination at adaptive distances.
- Shift Toggle: Hold Shift while adding a light to temporarily toggle Adaptive Initial Size on or off.
- Fix: Scrim preview rendering incorrectly when a diagnostic view transform was active.
v4.0.4
February 5, 2026- IES Scale Control: Added Scale slider for IES lights.
- IES Rotation Fix: IES light direction now properly respects the light object's rotation.
v4.0.3
February 2, 2026- Scrim Light v3: Updated Scrim Light node group to version 3. Imperfection slider at zero now fully eliminates imperfections.
v4.0.2
January 31, 2026- Adaptive Initial Size: New preference that sets initial light distance and size based on the largest dimension of selected objects. Also applies to flags and reflectors.
- IES Fixture Names: Built-in IES profiles now show their real fixture name in labels.
- Fix: IES profile download failing after selection.
- Fix: Undo reverting downloaded textures when undoing unrelated actions.
v4.0.1
January 15, 2026- Server-Based IES Profiles: IES profiles now downloaded on-demand from the server, matching the gobo/HDRI system.
- Scrim Preview Default: Scrim preview is now enabled by default.
- Unified Online Access: "Allow Online Access" button now downloads gobos, HDRIs, and IES previews together.
- Fix: Upside-down gobo texture on flags with Keep Upright enabled.
v4.0.0
January 23, 2026- Online Catalog System: Textures now downloaded from a server instead of being bundled.
- Diffuse/Glossy Balance: New slider to control a light's contribution to diffuse and glossy material components.
- Gobo Mode for Flags: Blockers renamed to "Flags" with stencil gobo support.
- EEVEE Spotlight Gobos: Gobo support now available in EEVEE.
- HDRI Light v2: Added Hue Shift and Saturation controls.
- ARRI False Color & Zone System: New view transform options.
- IES Library Integration: Online IES browser with manufacturer/tag filtering, favorites, and search.
- Auto IES Strength: Automatically adjusts strength based on IES profile data.
- Terminology Updates: Blockers renamed to Flags. Transparency renamed to Opacity (inverted logic).
- Keep Upright Toggle: New constraint-based rotation toggle (U key).
- Tracking Support: Flags and reflectors now support object tracking.
- Orbit Method Preference: Choose from three light rotation modes.
- Z-Axis Rotation Step: Reduced from 5° to 2° for finer control.
- IES Color Temperature Presets: Easy selection of common color temps.
v3.3.6
January 5, 2026- Fix: Distance reversal issue in Reflect/Direct modes after pause/resume.
- Fix: Custom IES folders now correctly load from ies_paths collection.
- Fix: Corrected HDRI rotation speed for Polydome.
v3.3.5
January 4, 2026- New preference: Initial spread setting for area lights.
v3.3.4
January 3, 2026- Fix: Resolved interactive mode failure caused by third-party addon interference.
- New: Added flicker effects.
v3.3.2
December 23, 2025- Fix: Blocker and reflector visuals could be deleted when renaming the parent light.
v3.3.1
December 23, 2025- Blender 4.4 Compatibility: Updated light temperature API.
- Fix: Gimbal lock — resolved 180° Z-axis rotation flip on vertically oriented lights.
- Third-party HDRI addon support: Detect nodes with rotation inputs (e.g., PolyDome).
- Overlay Visibility Respect: Overlays now correctly follow user gizmo and overlay visibility settings.
v3.3.0
December 17, 2025New Features
- Introduced blockers and reflectors.
- Added node group controls for Scrim, HDRI, Gobo, and IES modes to the Light Customization panel.
- Experimental Scrim light interactive preview.
- Gobo customization mode now partially supports Blender asset libraries.
- Custom texture slots are now dynamic — add or remove as many as needed.
- Preference to disable obstacle avoidance.
- Visual feedback for light linking operations.
- HUD panel position preference (left/right).
- Customizable color preferences for help values.
- S-shape toggle for switching between SQUARE and DISK shapes.
- Viewport gizmos can now enter interactive mode with a single click.
- Gobo Stencil material panel with gobo selection UI for converted planes.
Bug Fixes
- Fixed Blender 5.0 auto-keying crash.
- Fixed crash when using Scrim lights with external ACES/OCIO color configurations.
- Fixed inverted light positioning and incorrect distance calculations.
- Fixed orbit center not moving with duplicated lights.
- Resolved TrueSKY add-on conflict.
- Reduced Scrim node group size (TIFF → WebP).
- Fixed IndexError in convert-to-plane operator.
- Fixed animated gobo driver detection and dependency cycle.
- Fixed video gobo thumbnails not being detected when already generated.
v3.2.6
September 30, 2025- Auto Power: Gobo mode excluded from automatic power changes.
- Fix: TypeError when resuming with TAB key.
- Blender 5.0 compatibility fixes.
- Viewport: Added feathered border for modal operation feedback.
v3.2.5
September 25, 2025- New: Enable Tracking button for muted tracking constraints.
- Font: Switched to Blender's native monospace font.
v3.2.4
September 19, 2025- Tracking: New confirmation dialog before disabling; constraints are now muted instead of removed.
- Auto-Adjust Light Power now works for Point lights.
- Bug fixes: Fixed crashes during animation playback.
v3.2.3
September 18, 2025- Scrim Light v2.1: Added slider to control Scrim edge sharpness.
- N-Panel Awareness: HUD and controls adjust positions when N-panel is open.
- Fix: Rare AttributeError when reopening Blender files.
v3.2.2
September 17, 2025- Blender 5.0 Compatibility: Fixes for HDRI and Scrim render operators.
- Keymap improvements: Prevented keymap changes during addon registration.
- Fix: Resolved conflict with Render Toolbox (and possibly ZenUV).
v3.2.1
September 16, 2025- Light Pie Menu: Added pie menu configuration to preferences UI.
- Direct Mode Entry Keys: Now off by default; restores default collection hiding behavior when disabled.
- Blender 5.0 Alpha: Initial support.
v3.2.0
September 9, 2025- Precise Mode: Press Space for exact surface positioning without normal averaging.
- Axis Snapping for Orbit: New World/View axis snapping with smooth Ctrl transitions.
- Texture System Overhaul: Improved reliability with automatic folder detection.
- Texture Preview Upgrades: Adjustable preview size, popup scale, and toggle for labels.
- 1/2/3 Key Control: Option to enable or disable number keys for direct mode access.
- Scrim HDRI Export: Export procedural Scrim as HDRI (EXR) image.
- Scrim Version Selection: Choose between Version 1 and Version 2.
- Blender 4.5 Compatibility.
- Adjustable gizmo placement via preferences.
v3.1.11 – v3.1.15
August 11, 2025- Improved Shift+Mouse Wheel support in Blender 4.5.
- Streamlined Logging: Default log level now shows only critical messages.
- HDRI Spread Retention: Option to keep spread values when switching HDRIs.
v3.1.10
April 5, 2025- Fix: Blender 4.4 crash when dragging lights on macOS.
- TAB key now respects the "Always Start Paused" preference.
- Fix: Cursor disappeared in paused mode after using Orbit.
- Fix: Remote repository install failure on Blender 4.4.
v3.1.9
April 3, 2025- Scrim Preference: "Use Scrim for New Area Lights" checkbox added.
- Soft error handling for context switch exceptions.
- Fix: Crash due to special character in update_light_visibility.
- Lights now correctly retain paused state across TAB entries/exits.
v3.1.8
March 26, 2025- Preferences: Introduced checkbox "Use Scrim for New Area Lights".
v3.1.6
March 20, 2025- Fix: Lights spawned at ceiling height in enclosed spaces — now appear near target surface.
v3.0.8
March 3, 2025- Fix: Persistent keymap reset issue.
- Blender 4.5 Alpha Support.
v3.0.5
March 1, 2025- Workaround: Disabled override of Blender's 1/2/3 view-layer keymaps to prevent keymap resets.
v3.0.4
February 28, 2025- Fix: Crash when duplicating lights.
- Known issue (regression): Updating to this version resets many custom Blender keymaps.
v3.0.3
February 27, 2025- Fix: Shortcuts now remain visible and editable in Preferences.
- Fix: Spacebar no longer causes exception during light adjustment.
v3.0.2
February 27, 2025- Fix: Black frame issue on Scrim Light.
v3.0.1
February 27, 2025- Fix: Orbit center behavior when starting in paused mode.
v3.0.0
February 26, 2025- Complete Rewrite: Rebuilt from the ground up for improved stability and performance.
- Smoother Light Positioning: Refreshed positioning modes.
- Updated UI: Cleaner and more intuitive interface.
- New Scrim: Enhanced feathering and improved gradient control.
- Improved Auto-Adjust Light Power.
- Local Z-Axis Rotation: Z + mouse wheel.
- Separate Area Light Scaling: Ctrl+Shift or Alt+Shift for independent width/height.
v2.4.2
January 11, 2025- Video GoBo Textures: Playback speed now matches Blender's project frame rate.
- Light Isolation: Minor fixes and new gizmo icon.
- New animated GoBo textures added.
v2.4.1
June 1, 2025- Fix: Compatibility issue with Physical Starlight and Atmosphere addon.
v2.4.0
December 16, 2024- Fix: "Convert to Plane" error in Gobo caused by missing shadow_method attribute.
v2.3.9
December 13, 2024- Auto Keying: Enhanced compatibility with Blender's Animation Preferences.
v2.3.8
December 11, 2024- HDRI Scene Rendering: Added support for emissive mesh objects.
- Auto Keying: Light Wrangler operations now add changes to keyframes when Auto Keying is enabled.
v2.3.7
December 10, 2024- Initial Light Positioning States: Choose Active (default) or Inactive (adjustments only, no position changes).
- HDRI Rotation Scale: Visual scale showing exact rotation in degrees during Alt + right mouse drag.
v2.3.6
December 5, 2024- Light Direction Inversion: "I" key to invert light direction relative to the hit point.
- Viewport text hints: Improved positioning to avoid T-panel overlap.
v2.3.5
December 5, 2024- Blender 4.3+ Compatibility: Fixed use_contact_shadows error.
v2.3.4
December 3, 2024- New Orbit Sensitivity Setting: Adjustable values between 0.1 and 2.0.
- Shift key modifier: Reduces orbit sensitivity to one-fifth for precise adjustments.
v2.3.3
December 3, 2024- False Color Mode: F key shortcut to toggle between current view transform and False Color.
- Isolate Light Gizmo: Now shifts with the N-panel.
v2.3.2
December 3, 2024- Optimized light placement for scenes with extremely high polygon counts.
v2.3.0 – v2.3.1
December 2, 2024- Partial Blender 4.4.0 Alpha compatibility.
- Optimized light placement for high-poly scenes.
- v2.3.1: Reverted optimizations due to identified bugs; fixed positioning on collection instances.
v2.2.7 – v2.2.9
November 2024- Alt + Right Mouse Drag: Rotation of world HDRIs and dome objects.
- Light Visibility System: Improved manual visibility handling.
- ColorTemp Slider: Integer mode for smoother drag adjustments.
- Partial Lens Sim compatibility.
- Blender 4.3 EEVEE fix for use_contact_shadow.
v2.2.0 – v2.2.5
October – November 2024- Orbit Mode Snap: Hold CTRL to snap to left, right, top, bottom, behind, or in front.
- Clear Tracking: Remove light tracking to adjust positions in interactive mode.
- Light Isolation fix: Emissive geometry states reverted properly.
- Major fix: Objects with camera clipping no longer obstruct light placement.
- Intelligent manual visibility detection.
v2.1.0 – v2.1.9
August – September 2024- Light Linking Control: L key to add/exclude/remove objects from light linking. Shift+L for shadow linking.
- Updated viewport text hints with mode highlighting and value display.
- H/I keys now function as toggles for hide/isolate.
- Enhanced light isolation in non-active mode.
- Fix: Non-mesh Geometry Nodes outputs.
- Fix: Duplicated lights sharing texture changes.
- ColorTemp 0 enables plain RGB emission.
- Trackpad scroll support.
- Smart Light Adjustments off by default.
v2.0.0
July 15, 2024- Blender 4.2 compatibility.
- Improved light positioning algorithm: rewritten from scratch.
- Custom GOBO textures: Add your own folders in settings.
- Custom IES profiles folder support.
- Numerous stability enhancements.
v1.9.2 – v1.9.11
March – June 2024- Custom HDRI Textures: Personal HDRI texture folders.
- Auto Light Visibility: Toggles with selection.
- Organize Lights: Auto-arrange into 'Lights' collection.
- Interactive Scrim Preview in customization panel.
- Convert to Plane button in Gobo mode.
- Enhanced Gobo Controls: Invert toggle and rotation slider.
- Convert to HDR: Replaces 'Render Scrim to EXR'.
- HDRI Scene Rendering: 360° HDRI render in one click.
- Shortcut customization via addon preferences.
- Orbit mode mouse cursor wrap.
v1.7.5 – v1.8.5
February 2024- New visual gizmos for Reflect, Orbit, and Direct modes.
- 1/2/3 keys for instant mode activation.
- Quick Adjust: Click and drag on any gizmo for temporary adjustment mode.
- Hide Viewport Overlays during light adjusting mode.
- Renamed positioning modes: Reflect Mode and Direct Mode.
- Adjust Light shortcut changed to TAB from F10.
- HDRI image sorting improvements.
v1.5.0 – v1.6.1
November – December 2023- Light Customizations: Scrim, HDRI, Gobo, and IES modes (early access).
- Animated GoBos: Introduction of animated gobo textures.
- Normal positioning mode (perpendicular light placement).
- Spacebar to switch positioning modes.
- 14 beta animated vegetation gobos.
v1.4.4
November 19, 2023- Auto Light Visibility Toggle.
- Manual Ground Level Setting.
- Duplicate Light Option.