Full release history for LED Strip Studio 4, newest version first.
LSS 4.0.40 — 25 August 2026 · LATEST
New Features / Enhancements
- Added LSS Remote — control LSS4 from your phone
Stability
- Fixed activating a new Art-Net license after an old license expired
- Fixed crash when selecting a keyboard command
- Fixed crash on app close after selecting a MIDI device
LSS 4.0.39 — 24 June 2026 · STABLE
Stability
- Fixed crash when opening certain .ls2 workspaces
LSS 4.0.38 — 18 June 2026 · LATEST
Improvements
- Fixed crash when MIDI device doesn’t exist
- Fixed external texture sharing not working correctly
- Fixed Phase Lock Source FPS setting not being saved in Texture Share layer
- Fixed Video Adjustments sliders not working
LSS 4.0.37 — 16 June 2026 · STABLE
New Features / Enhancements
- Added version update notification window on startup
Stability
- Installation now requires closing the application before proceeding
- Fixed ChatWindow not working on Windows after installation
LSS 4.0.36 — 29 May 2026 · STABLE
New Features / Enhancements
- Added online chat window for support
- Support for external texture input from Spout/Syphon servers (Resolume, TouchDesigner)
- Added Art-Net manual
Improvements
- Changed default FPS from 35/25 to 30
- Improved texture sharing performance and stability
Stability
- Fixed ArtNet OutputChannels corrupting SceneFrame
- Fixed rare crash during JPEG decompression
- Reduced video scene window stutter by eliminating redundant redraws
LSS 4.0.35 — 5 May 2026 · STABLE
Fixes
- Fixed an issue where the manual did not open
- Added Art-Net documentation to the manual
LSS 4.0.34 — 20 April 2026 · STABLE
New Features / Enhancements
- Added Art-Net support
LSS 4.0.31 — 5 March 2026 · STABLE
New Features / Enhancements
- Added workspace export with resources to a single .lss4bundle file for easy transfer of complete projects between computers
- Added new “Original” option in Phase Graph that preserves original effect timing and repeats the effect when stretched in a show
Improvements
- Improved import warning for content using a different mapping; warning now also appears when loading or importing a workspace
Stability
- Fixed stuttering of Color effect in Video Scene after clean installation when using a new workspace
- Fixed issue where selected fonts were not applied and the default system font was used instead
- Fixed issue where application settings were not saved correctly after workspace or Software Settings changes
LSS 4.0.30 — 25 February 2026 · STABLE
New Features / Enhancements
- Move scenes within a bank
- Automatic bank selection when selecting effects
- Default render filename based on scene or show name
Improvements
- Improved undo/redo behavior for playback commands
- Improved show start behavior with MTC
- Improved macOS keyboard shortcuts
- Improved docking behavior on macOS
- Added manual guidance for macOS network configuration
- Improved video rendering behavior
- Stability and Mapping improvements
LSS 4.0.29 — 8 February 2026 · STABLE
Changes
- Improved stability of Scene Commands and Show Control
- Improved W channel handling for analog strips
- Improved Video Scene alpha and opacity behavior
- Improved bank selection behavior in MIDI, Art-Net and DMX
- Stability and usability improvements
LSS 4.0.28 — 2 February 2026 · STABLE
New Features / Enhancements
- Added Pause button for show playback
- Added Recent Files support
- Added non-edit viewing mode
- Improved audio preview responsiveness
- Added transparency support for effects and music
- Added full settings reset option
- Display scene and show names on SD card
- Integrated LSS-Management
Improvements
- Improved output handling for unused device outputs
- Improved MIDI, Art-Net and DMX command logic
Stability
- Improved compatibility with LEC3 firmware 3.72
- Multiple crash and stability fixes
LSS 4.0.27-beta5 — 12 December 2025 · BETA
Changes
- Fixed major memory leak during show playback
- Added W channel support
- Introduced new color dialog with improved palette handling
LSS 4.0.27-beta4 — 26 November 2025 · BETA
Changes
- Improved audio playback on Windows
- Added extended WAV support
- Added Repeat command support
- Stability improvements
LSS 4.0.27-beta3 — 25 November 2025 · BETA
Changes
- Improved scene copy/paste stability
LSS 4.0.27-beta2 — 24 November 2025 · BETA
Changes
- Fixed preview rendering crash
LSS 4.0.27-beta1 — 21 November 2025 · BETA
Changes
- Added flexible output channel configuration
LSS 4.0.26-beta1 — 20 November 2025 · BETA
Changes
- Added Fullscreen mode
- Added Edit mode
LSS 4.0.25 — 2 October 2025 · FINAL VERSION
Changes
- Manual updates and improvements
- Improved preview rendering to match LSS3
- Improved rendering performance
- Improved segment highlighting in Mapping
- Improved Windows installer behavior
- Stability improvements
- Added support for new LED strips
LSS 4.0.24 — 24 September 2025 · FINAL VERSION
Changes
- Added complete user manual
- Added watermark support for rendered videos
LSS 4.0.23 — 17 September 2025 · FINAL VERSION
Changes
- Added .ls4 file association on macOS
- Improved manual integration (Help tab)
- Improved Main Window usability
- Improved Video Scene preview and effects handling
- Improved Mapping tools and stability
- Improved docking behavior on macOS
- Multiple stability fixes
LSS 4.0.21 — 4 August 2025 · HOTFIX
Changes
- Fixed crashes in Video Scene
- Improved macOS startup stability
- Improved command learning behavior
LSS 4.0.20 — 4 August 2025 · STABLE
Changes
- Multiple crash fixes across Scene Commands, Controls and Mapping
- Improved DMX, MIDI and Art-Net scene selection behavior
- Added Stop Music command
- Improved import of scenes, banks and shows
- Improved SD export reliability
- Improved docking window stability
LSS 4.0.19 — 21 July 2025 · STABLE
Changes
- Added DEMO preview when no device is connected
- Improved video layer alpha handling
- Improved playback behavior in scenes
- Improved trackpad zoom support
- Improved Mapping grid behavior
- Multiple stability improvements
LSS 4.0.18 — 4 July 2025 · STABLE
Changes
- Improved video handling and stability
- Improved Mapping workflow and editing tools
- Added Split Animation feature
- Improved Undo/Redo reliability
- Improved brightness handling
- Multiple crash fixes
LSS 4.0.17 — 23 June 2025 · STABLE
Changes
- Improved Video Scene editing behavior
- Improved Multi Scene usability
- Improved Strip Settings layout
- Stability and usability improvements
LSS 4.0.16 — 17 June 2025 · STABLE
Changes
- Improved drag & drop visuals and controls
- Adjustable number of tracks in Show
- Improved track management tools
- Improved layer priority handling
- Improved scene preview refresh
- Stability improvements
LSS 4.0.15 — 7 June 2025 · STABLE
Changes
- Open device web interface directly from Mapping window
- Improved overall stability when closing or managing windows
- Improved drag & drop behavior across the application
- Added selection tools in Strip Scene
- Various UI improvements
LSS 4.0.14 — 30 May 2025 · STABLE
Changes
- Major performance improvements on macOS and Windows
- Improved reliability of scene uploads to devices
- Improved SD card export
- Added optional global FPS setting
- Added application log file support
- Multiple stability fixes
LSS 4.0.12 — 16 April 2025 · STABLE
Changes
- Stability improvements
- Fixed crashes in Video Scene export and IP editing
LSS 4.0.11 — 14 April 2025 · STABLE
Changes
- Improved IP address configuration
- Improved Mapping grid behavior
- Improved Light Mode on Windows
- Improved Windows installer reliability
LSS 4.0 Beta.10 — 24 March 2025 · BETA
Changes
- Added Mapping color balance
- Added Screen Grabber layer
- Added Support & Feedback window
- Added Workspace Settings
- Added LSS SPI Settings window
- Improved video preview flexibility
- Improved stability across Show, Mapping and Animation tools
- Improved Mapping grid behavior
- Fixed various playback and input issues
LSS 4.0 Beta.9 — 13 February 2025 · BETA
Changes
- Improved performance when editing shows with music
- Added support for managing docking windows
- Added default live setting values
- Scene command improvements
- Improved aspect ratio handling in Video Scene
- Updated About window