v1.6.8-rc4

• Optional sorting mechanism for metalness and roughness
• 4 new materials supported in the Material Database
• major and minor fixes on UI and Keyboard shortcut
• Material Komposer export fix

!!! Alert !!!
To update the model list to 2.3.0

• download the file tablemodels.7z
• Unzip it with 7zip
• Find MLSB folder path
• enter in resources>app>jsons
• rename the previous tablemodels.json
• place the new tablemodels.json in the folder
• profit