- **Layer arithmetic:**
- (Add) Allow to use ':' to define a layer range to set, eg, 0:20 to select from 0 to 20 layers
- (Improvement) Modifications with set ROI and/or Mask(s) are only applied to target layer on that same regions
- (Improvement) Disallow set one layer to the same layer without any modification
- (Improvement) Clear and sanitize non-existing layers indexes
- (Improvement) Disable the layer range selector from dialog
- (Fix) Prevent error when using non-existing layers indexes
- (Fix) Allow use only a mask for operations
- (Fix) Implement the progress bar
- **File formats:**
- (Add) VDA.ZIP (Voxeldance Additive)
- (Improvement) Add a check to global `LightPWM` if 0 it will force to 255
- (Improvement) Add a check to layer `LightPWM` if 0 it will force to 255
- (Add) Allow to save the selected region (ROI) to a image file
- (Update) .NET 5.0.5 to 5.0.6
- (Fix) Getting the transposed rectangle in fliped images are offseting the position by -1
- (Fix) Tools: Hide ROI Region text when empty/not selected
- **Tools:**
- (Add) Pixel Arithmetic
- (Add) Layer arithmetic: Operator $ to perform a absolute difference
- (Add) Allow to save and auto restore operation settings per session (#195)
- (Add) Allow to auto select the print volume ROI
- (Add) Allow to export and import operation settings from files
- (Improvement) Calculator - LightOff delay: Hide the bottom properties or the tab if the file format don't support them (#193)
- (Change) 'Arithmetic' to 'Layer arithmetic'
- (Remove) 'Threshold pixels'
- (Fix) Solidfy was unable to save profiles
- (Fix) A redo operation (Ctrl + Shift + Z) wasn't restoring the settings when a default profile is set
- **Operations:**
- (Fix) Passing a roi mat to `ApplyMask` would cause unwanted results
- (Improvement) Allow pass a full/original size mask to `ApplyMask`
- **Scripting:**
- (Add) an script to create an printable file to clean the VAT (#170)
- (Improvement) Allow to change user input properties outside the initialization
- (Improvement) Auto format numerical input box with the fixed decimal cases
- (Add) Settings: Section 'Tools'
- (Improvement) GUI: The 'Lift, Retract and Light-off' at status bar now only shows for the supported formats
- (Fix) Print time estimation calculation was wrong since v2.9.3 due a lacking of parentheses on the logic