Wiki : https://github.com/clarkx/Lumiere/wiki

• Click on the script "Lumiere_beta.py",
• Click on the "RAW" button to see the script in your web browser,
• Right Click "Save as...", to save the script with the ".py" extension on your computer (ie: "Lumiere_beta.py")
• In the blender preferences, click on the "Add-ons" tab then on "Install from file..." to open the file browser,
• Select the file you just have save "Lumiere_beta.py" to finish the installation.
• A new tab "Lumiere" should appear.

Changelog :

Ver 0.9 : https://www.youtube.com/playlist?list=PLG2jIUa3pBt4FJujY_0YYixqWvdR-5Wyn

• Add groups
• Export light
• Export all lights in groups
• Import light
• Import groups

Ver 0.8 : https://www.youtube.com/playlist?list=PLG2jIUa3pBt5jJSWgvmnN8Pi8k2PB2BzV

• Update the doc in the WIKI

• Update panel light

  • Add the "Keep ratio" option
    • keep the amount of light when scaling
    • keep the shape in reflection with the range

• Update lights

  • add an empty again for duplication and less memory usage
  • add a delete icon to easily remove everything fast
  • add a "change to" option to change this light to any another one
  • change the ui with all the options
  • Add "Repeat" option in the gradient
  • Add "Random" option in the gradient that can be used with grid color or texture

• Add the projector

  • project texture or diffuse the light as a softbox

• Add Environment lighting

  • Use your image environment interactively
  • "Align to pixel" option to align your light source with the interactive view
  • "Change to" option, to change the widget to a sun light

Ver 0.72 :

• All modal :
  • No need to press the key all the time. Exemple : Press [S] one time to scale the light, press [S] a second time or [LMB] to exit the modal mode.
  • Bugfix : Creating light during the edit mode was buggy / Use the image texture template.

Ver 0.71 :

• Update constraints :
  • An empty was created with each light for the contraints ("G" : Orbit mode), which was painful to delete. No more empty !

Ver 0.70 :

• Update UI :
  • Add a selection widget. The switch turns red to show you what light was selected.
  • Move the strengh in the upper of the panel. Easier to acces.
  • Bug fixes.

Ver 0.65 :

• New Reflector option :
  • Turn your light into a diffuse object

Ver 0.60 :

• New custom light button:
  • Create you shape facing the z-axis and use the new "Create light" button
  • Example : https://www.youtube.com/watch?v=2c62-X2ugMs

Ver 0.55 :

• New gradient template by Nathan Craddock (thanks 👍 )
• Revert the mouse move to the left for decrease value, as request by VertexPainter
• Hotkeys mapping as request by VertexPainter
• Add HUD