(Released: July 23, 2020)
Summary: Major release with new UV Tiles workflow, paint across UV Tiles and performance improvement

Added:

• UV Tiles (UDIMs)
• [UV Tiles] Paint across UV tiles
• [UV Tiles] Allow to choose between new and legacy workflow for UV Tiles
• [UV Tiles] Import UDIMs/UV Tile image sequences as a resource
• [UV Tiles] Add list of UV Tiles per Texture Set in Texture Set List window
• [UV Tiles] Allow to edit the resolution of multiple UV Tiles at once in Texture Set Settings
• [UV Tiles][2D View] Display UV Tiles as a grid
• [UV Tiles][2D View] New viewport button to display or hide UV Tiles information
• [UV Tiles] Switch painting tool to single channel by default for UV Tile projects
• [UV Tiles] New button in contextual toolbar to ignore masked UV Tiles while painting
• [UV Tiles][Layer Stack] New layer stack icons to improve performance
• [UV Tiles][Layer Stack] Improve Paint and Fill icons in the toolbar
• [UV Tile Mask][2D View] Allow to include or exclude multiple UV Tiles at once (left click, CTRL+left click)
• [UV Tile Mask] New UV Tile mask to include, exclude tiles per layer with a new icon
• [UV Tile Mask][Layer Stack] Display the number of UV Tiles in the UV Tiles mask icon when not all are included
• [UV Tile Mask][2D/3D View] Add hover effect to visualize UV Tiles under the cursor
• [UV Tiles][Bakers] Allow to select and bake specific UV Tiles
• [UV Tiles][Bakers] Add selection options for Texture Sets/UV Tiles
• [UV Tiles][Bakers] Right click menu option to select UV Tiles within a Texture Set
• [UV Tiles][Bakers] Allow quick selection in the Texture Set/UV Tiles by dragging
• [UV Tiles][Bakers] Replace “All” and “None” buttons in Mesh Maps by more explicit selection options
• [UV Tiles][Bakers] Display number of textures to be baked
• [UV Tiles][Export] Allow to select and export specific UV Tiles
• [UV Tiles][Export] Allow quick selection of UV Tiles by dragging
• [UV Tiles][Export] Add dropdown menu options for UV Tiles
• [UV Tiles][Export] Make some export presets unavailable if they do not work with UV Tiles (Adobe Dimension, Sketchfab, glTF, USD)
• [UV Tiles][Content] Update export presets to use the new $udim tag
• [UV Tiles] Improve error reporting when importing meshes with overlapping UV islands
• [UV Tiles] UV Tiles compatible in Iray
• [UV Tiles][Scripting] Add UV Tile export documentation to Python doc
• Performance
• [Performance] New button in contextual toolbar to pause engine computation when working (SHIFT+ESC)
• [Performance] Faster project opening by delaying Texture Set cache computation
• [Performance] Don’t wait for mesh maps to load when opening project
• [Performance][2D/3D View] Don’t compute Mask channel in viewport when it is not used
• [Performance] Do not block the application when loading mesh maps displayed in the viewports
• [Performance] Improve incremental save speed when saving a project
• [Performance][Bakers] Change default dilation settings to improve saving time and project size
• [Performance][Bakers] Switch to grayscale on specific Bakers to improve saving time and project size
• [Performance][Export] Improve engine performance to export textures faster
• [Performance][Export] Improve responsiveness when opening the export dialog with a lot of Texture Sets
• [Performance][Export] Improve performance when switching to tab “List of Exports”
• [Performance][Iray] Reduce Iray startup time
• Other
• [Bakers] Add selection options for Texture Sets
• Move shader instance management to Texture Set Settings
• [2D/3D View] Add message at bottom of the viewport to indicate which mask type is edited
• [Layer Stack] New option in settings to switch between legacy and new thumbnails
• [Layer Stack] Add visual feedback to indicate loading state of the thumbnails
• [Proj] New projection mode “Fill (Match Per UV-Tile)” to load image sequences
• [Proj] Change fill layers projection mode to “Fill (Match Per UV-Tile)” in specific cases
• [Content] Optimize Charcoal brush presets to improve performance
• Update Iray to version 2020.0.0
• [Export] Disable List of Exports tab when nothing is selected
• Auto Unwrap
• [Auto Unwrap] Improve success rate of the automatic unwrap process
• [Auto Unwrap] Improved parameterization to increase speed and stability

Fixed:

• [Alembic] Facesets are ignored when importing files
• [Alembic] Infinite loading time with specific files
• [Import] Incorrect UDIM image sequence is imported when only the file extension differs
• [Crash] Trying to open project locked by another process leads to a crash
• [Projection] Artefacts on duplicated mesh when using triplanar projection
• [Export] Emissive channel is not exported with USD format
• [Content] Smart Material “Charcoal” contains paint strokes

Known Issues:

• [Texture Set List] Cannot hide description
• [Texture Set List] UI issues