Change Log - 3D MSF Product Updates

All notable changes to the platform are documented here. Follows Semantic Versioning.

v26.4.5 - March 25, 2026

New Features

  • The point cloud tool now supports PCD as an import and export format alongside LAS. When LiDAR files are imported in PCD format, the output will be delivered in PCD, and when imported in LAS, the output will be delivered in LAS. This eliminates the need for any pre-import or post-export file conversion. Learn More

  • Project owners and managers can now attach a labeling instruction document (PDF) to any active project directly from Ango Hub. The instruction link is accessible to all project members from within the 3D MSF labeling tool - click the ? icon in the top-right corner, select Instructions from the dropdown, and click the attached PDF to open it in a new tab for reference. If instructions have already been uploaded, they can be replaced at any time via the Upload Instructions option in Ango Hub. Learn More

Improvements

  • Point cloud data is now bundled per frame into a single zip file for download, replacing the previous per-node request model. This significantly reduces the number of network requests made when loading the tool. Key benefits include:

    • Faster tool load times (including when merging point clouds).

    • Reduced network congestion when multiple users load the tool simultaneously.

    • Lower risk of failed or incomplete point cloud loads due to request overload.

    • More consistent performance across varying network conditions.

v26.4.4 - March 23, 2026

Bug Fixes

  • When changing frame using the timeline while an object is selected, the object gets automatically deselected. Only the timeline would remain visible without any object selected, causing confusion during annotation. This has now been fixed to correctly displaying the selected object in the orthographic views and the main view.

  • A console error was displayed on generating rectangles. This scenario has been handled.

  • Images were not loading due to s3 transfer acceleration enablement. This has been fixed and now the tool user will observe improved loading times.

v26.4.3 - March 13, 2026

Bug Fixes

  • Pointcloud annotations on tasks with 200 or more annotations now correctly display class colors for segmented points.

  • Deleted paintbrush segmentation points now correctly remain invisible and no longer reappear when an adjacent area is re-segmented.

  • The brush sphere hotkey on macOS now works consistently.

  • Polygon subtraction hotkeys are now listed in the Shortcut menu.

  • Selecting Submit and Exit now correctly redirects users back to Ango Hub without closing the tab, and no new task is assigned following the action.

  • Copy-pasting a polygon no longer causes the tool to stop responding.

v26.4.2 - March 4, 2026

Bug Fixes

  • Undo/Redo flickering in orthographic viewports - Pressing undo/redo was forcing the selected annotation to deselect, causing flickering and rapid blinking in the orthographic viewports when triggered multiple times in quick succession. Undo/redo now completes smoothly without any viewport flickering.

  • Duplicate annotation on instance class change - Changing the instance class to a class without an instance was incorrectly creating a duplicate annotation. Class changes now apply cleanly with no duplicate data created, ensuring full data integrity.

  • Inconsistent bottom line in orthographic viewports - The bottom grey line length rendered inconsistently when changing the size of the rectangle in the orthographic viewports. It now renders uniformly.

  • Incorrect redirect after exiting 3D Film Reel - After entering the 3D Film Reel, clicking on a 2D annotation, clicking back to a 3D annotation view and then exiting the 3D Film Reel view, incorrectly redirected users to the reference image of 2D annotation instead of returning to the last selected annotation. Exit behaviour now returns users to the correct view of selected annotation.

  • Main viewing area jump on 'top' label double-click - Double-clicking the top label in the orthographic viewports caused an unexpected jump in the main viewing area. The view now remains stable on double-click.

  • Timeline attributes not updating on edit - Attribute values edited on the timeline were not visually refreshing until the user hovered their cursor over the annotation. Attributes now update immediately upon edit without requiring any additional interaction.


v26.4.1 - March 2, 2026

New Features

  • Minimum LiDAR Point Density - A new sanity check that automatically monitors the number of LiDAR points within each cuboid annotation relative to its distance from the ego vehicle. When the count falls below the project-configured threshold for a given distance band, a non-blocking warning is surfaced on the timeline per track ID and frame. Thresholds are configured per object class and distance range in the project category schema. Learn more →arrow-up-right

  • Class-Based Cuboid Dimensions - A new sanity check that validates the computed volume (L × W × H) of every cuboid against the minimum and maximum bounds defined per class in the project ontology. A visual cue appears within ~2 seconds when a cuboid's volume falls outside the permitted range for its class, distinguishing between too-small and too-large violations. Both warnings are non-blocking and clear automatically once the volume is within range. Learn more →arrow-up-right

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