Releases

Lens improves continuously from your feedback.

This page helps you stay on top of new updates, features, and bug-fixes.

Nov 12, 2025

Formatting options & Improved UI

  • Custom balloon styling: Size and colors of balloons can now be customized from the settings panel in the top-right corner.
  • Instrument suggestion: Automatic suggestions for measurement instruments, editable in the dimension editing panel.
  • Enhanced feature representation: Auto-parsing of more complicated dimensions, such as arcs and chamfers, along with their counts.
  • Support for more complex dimension types: Dimension types like ‘Dowel diameter’, ‘Threaded hole’, and others, are now also supported.
  • Balloons no longer obscure dimensions: The algorithm to place balloons has been improved. Balloons will now avoid overlapping with nearby dimensions for greater clarity.
Oct 24, 2025

Customizable, higher quality exports

We’ve revamped our PDF export functionality to give you more control on appearance.

  • Optional highlighting: Previously, dimensions were always highlighted upon download. Now, you can choose to disable this in the settings panel in the top-right corner.

  • Connector lines: You can now choose to include connector lines that relate balloons with their corresponding features. This option is also available in the settings panel.

  • Smaller file size: Downloaded PDFs are now much lighter.

  • Vector drawings: Vector graphics are now preserved in downloaded PDFs, resulting in higher quality images.

Oct 12, 2025

Introducing the Lens changelog.

We’ve added this dedicated page to keep you posted on new features, updates, and bug-fixes with every release.

  • bug fix: Tolerances now correctly applied to repeat dimensions (12PL, 4X, etc.).
  • feature: An all new /releases page.
Oct 9, 2025

Improved OCR and TIFF support

With this release, we’ve made significant leaps in our OCR technology, while also improving the user experience for managing different views in an inspection report.

New features

  • A new section in the sidebar to see, modify, and rename views.
  • Auto-scanning an entire view instantly with the Add view button.
  • Adding a new dimension now auto-OCRs it instantly.

Improvements

  • Significantly faster and more accurate OCR, tuned for technical drawings.
  • Downloaded PDFs have much lower file size.
Oct 6

Standard and custom tolerances

We’ve added support for tolerances in our latest release. You can now select a tolerance standard from our pre-defined collection, or define one on your own. By default, lens supports popular standards like ISO 2768 and ASME Y14.5.

Features

  • Auto-scan tolerance specification from a table present in the drawing.
  • Define custom tolerances for your drawing.
  • Select standard tolerances, like DIN-ISO 2768.
Previous

Lens is out of closed beta!

Lens enters an open beta phase, and is generally available to the wider world.

Upload your first drawing and see how Pre6 Lens can speed up your QA process. No sign-up required for your first few tries.

For questions, check out our FAQ page or reach out to us.