• BP and RTP will now save intermediate session files during batch, such that sessions can be reviewed and/or merged followed a batch cancellation
  • In Simple Mode in the IP, “Measurements” is now written beside the Measurements Panel expansion arrow to clarify its function
  • Added Feature Number column to Local Measurements that assigns feature numbers to each pixel based on the feature numbering in the layer.
  • Added preference to link the default output folder of user saved files to the last opened image.
  • When replacing a model in a recipe, calls to the previous model’s output will now track the class names of the new model
  • Description text above progress bar now consistently centered
  • Error dialogs are now also printed to the log file and the log file no longer gets cleared when MIPAR opens
  • Enabled application of recipes designed on RGB images to 3-channel grayscale images (affects Channel Operation, Color Cluster, Color Select, and Apply Model on color original)
  • Channel Operation now uses floating point arithmetic
  • Improved handling of GPU out of memory condition with Pre-Processing steps
  • Added tooltip text to buttons that can be activated by keyboard shortcuts

Bug Fixes

  • File > Save All Layers in PP and DLT errored when using GPU Acceleration
  • File > Print Current Image in IP would print the Reference image instead
  • Clearing unsaved session in DLT and choosing “Save”, would then asked whether to overwrite, despite never having saved
  • Trim parameter was not stored properly in Local Measure > Thickness recipe step
  • When using Resize Image in IP that with dynamic scale calibration, the dynamic scale will now resize to match
  • Color Deconvolution no longer prevented with two classes
  • Line Profile tool would become non-responsive in Local Measurements
  • Multispectral images could fail to be calibrated properly
  • Animate 3D Visualization > View Stereo would fail
  • 3D Measure Tool would not work properly in labels view
  • 3D surface rendering prevented with GPU computation enabled
  • In IP Measure Tool would not work properly in some viewing modes
  • Display issue in the PP when editing multiple layers at once
  • Out-of-sync undo in the PP and DLT when following a multi-layer edit with a single-layer edit


  • Scale factor would not accept properly when entering manually in IP
  • Recipe would not fully clear when individually removing all steps and measurements

  • Models could fail to train in DLT

  • In manual edit tools, Select > Fill/Erase now works properly.

See new features released in v3.4.0

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