---
title: Printer Software Release Notes
slug: software/printer-software-release-notes
description: Explore a summary of every release of Carbon's printer software.
docTags: 
createdAt: 2024-07-01T23:20:44.572Z
---

Carbon’s powerful software is included with every printer. It enables customers to print a wide variety of applications.

## Summary of Printer Software Releases

Click software version to see full release notes

### [v1.46](docId\:M57IWulEuClyGcsBkFE62)  Released 1/26

- **Changes to how we print:**
  - Improved EPU printing on L1, M3, and M3 Max printers
- **Print preparation improvements:**
  - More accurate print time estimates for M3, M3 Max, and L1 printers
  - Improvements to Print Plan Adjustments
  - Updates to select Print Profiles
- **Printer ecosystem improvements:**
  - Reduced processing times in certain scenarios
- **Additional improvements:**
  - Minor changes
  - Miscellaneous bugfixes

### [v1.45](docId\:MgQiv81rgzN0OdMk3llI6)  Released 1/25

- **Changes in how we print:**
  - Improved EPU printing
  - Reduction in print time variability for rigid resins on M3 and M3 Max
  - Protection against print failures due to cold temperatures for DPR 10 and UMA 20 aligner model prints (L1)
- **Print preparation improvements:**
  - Support improvements
  - Changes to Print Profile options for Dental Labs
- **Printer ecosystem improvements:**
  - More sensitive Debris Detection for M3 and M3 Max printers
  - Workflow improvements for the AO Backpack
  - Proactive notification of hardware that must be returned to Carbon
  - Resin Level Detection protects hardware and reduces print failures for Gen2 Aligner Model Production Solution (L1)
- **Additional improvements:**
  - Minor changes
  - Miscellaneous bugfixes

### [v1.44.1](docId\:ACr3iMXUxBZdLFn8nsLBS)  Released 10/24

- Printer software v1.44.1 is a special release required for customers installing an AO Backpack prior to the release of v1.45 (expected in 2025). Printers without a Backpack will not receive v1.44.1.

### [v1.44](docId\:jXaD8ohXE-VIoQcnDXHX-)  Released 8/24

- **Changes in how we print:**
  - Avoid “striping” print defects on large, flat surfaces
- **Print preparation improvements:**
  - Enhanced control over part locations in the build space
- **Printer ecosystem improvements:**
  - Debris Detection is available for more workflows
- **Additional improvements:**
  - Minor changes
  - Miscellaneous bugfixes

### [v1.43](docId\:A0Gh07euhJtL7Zz9vJ3_E)  Released 5/24

- Changes in how we print:*None - printing behavior is not impacted by this release*
- **Print preparation improvements:**
  - Improvements to part supporting workflows
  - Expanded functionality via Print Plan Adjustments
  - Improvements to Print Profile selection options
- **Printer ecosystem improvements:**
  - Reduced incidence of projection errors due to light engine failures
  - New “Print Again” functionality (replaces “Reprint”)
  - Easier access to “Request Help” (removed “Rate Print”)
- **Additional improvements:**
  - Minor changes
  - Miscellaneous bugfixes

### [v1.42](docId\:Zya19aHcjNB9seZxWqSa_)  Released 3/24

- **Changes in how we print:**
  - Auto-brightlining for elastomeric resins for improved accuracy
  - New default slicing functionality
- **Print preparation improvements:**
  - Improvements to Gen2 Auto Layout
  - New functionality via Print Plan Adjustments
  - Faster, more reliable textures
  - Outdated features deprecated
- **Printer ecosystem improvements:**
  - Automatic detection of debris, resin level, and cassette lids protects hardware and reduces print failures
  - High-throughput printers can opt to automatically delete models to preserve disk storage space
  - Improved software update experience
- **Additional improvements:**
  - Minor changes
  - Miscellaneous bugfixes

### [v1.41](docId:3M9Z9l0Zl1QYG5jbtry9l)  Released 11/23

- **Changes in how we print:**
  - EPU prints on an L1 printer with a B1 cassette use updated Default print settings
  - Improved accuracy for FotoDent® Gingiva, SIL 30, MPU 100, and IND 405 resins
- **Print preparation improvements:**
  - Improvements to Gen2 Auto Layout (BETA)
  - More accurate print time estimates for L1, M3, and M3 Max printers
- **Printer ecosystem improvements:**
  - More navigable Prints and Projects lists
  - Improved software update experience
- **Additional improvements:**
  - Miscellaneous bugfixes

### [v1.40](docId:7rRhsF3zsLHy9NaKpwRnd)  Released 8/23

- **Changes in how we print:**
  - Improved default print plans for rigid resins on L1, M3, and M3 Max printers
  - Modification to oxygen supply for M3 and M3 Max printers
  - Better automatic part scaling to drive dimensional accuracy for EPU 45 Damping
- **Print preparation improvements:**
  - Snap multiple parts to the platform at once with Auto Snap (BETA)
  - Improvements to the Print Plan Adjustments interface
  - More accurate print time estimates for M3 and M3 Max printers
  - Print preparation speed improvements
  - Support for Flexcera™ Smile Ultra+ resins
- **Printer management improvements:**
  - Easily rename printers on demand
- **Additional improvements:**
  - Miscellaneous bugfixes

### [v1.39](docId\:oxY9qayf9B9BsjAwYh82B)  Released 3/23

- **Changes in how we print:**
  - Improved default print plans for elastomeric resins on L1, M3, and M3 Max printers
  - Better automatic part scaling to drive improved dimensional accuracy
  - Improved accuracy for select resin & hardware combinations
- **Print preparation improvements:**
  - Improved tools & capabilities for adjusting print plans
  - Select a resin during project creation
  - More accurate print time estimates for M3 printers
- **Additional improvements:**
  - Various bugfixes
  - New printer software Version Lock option
  - Updated resin pot life recommendations *(not governed by software)*

### [v1.38](docId\:jce8HBBZoNcpEYpGGpOht)  Released 12/22

- **Changes in how we print:**
  - Improved print quality for Keystone KeyDenture Try-In with thinner slices
- **Print preparation improvements:**
  - More accurate print time estimates for L1 printers
  - Improved zoom behavior options in the Print Preparation UI
  - Gen2 Auto-Layout (BETA) for higher-density packing
  - Denture auto-nest: improved error-handling and flexible user preferences
  - “Print Date” token for labels
  - Show/hide part bounding box
- **Additional improvements:**
  - Improved stability and performance for the M3 printer
  - Miscellaneous bugfixes

### [v1.37](docId\:saxZl_EckC7Y-fxKHQf2s)  Released 10/22

- **Changes in how we print:**
  - Improved accuracy for DPR 10 prints
- **Print preparation improvements:**
  - Support improvements:
    - Editable parameters for the bar and fence supports generated within patches
    - Improved patch selection capabilities for patch supports
    - Improved interface when placing supports on fine features
  - Slicing improvements:
    - “Default Slicer” is renamed “Gen1 Slicer” and “Poisson Slicer” is renamed “Gen2 Slicer”
    - Gen2 Slicer (formerly known as Poisson Slicer) is faster and more robust
  - Print Plan Adjustments ("Advanced Controls") improvements:
    - Print Plan Adjustments can be accessed without first running a print plan analysis
    - A clipping plane tool is available within Print Plan Adjustments to easily visualize targeted slices
- **Additional improvements:**
  - Improvements to the user experience on the new M3 printer
  - Support for early-access M3 Max printers
  - Various issue resolutions

### [v1.36](docId\:PkKEVEMQlil7endS8Gl8P)  Released 07/22

- **Changes in how we print:**
  - Fine-tuned timing mechanisms for increased fidelity to the print plan
  - Faster print times for EPU 41 Black
- **Print preparation improvements:**
  - Additional auto-orientation options
  - New manual supports interface
  - Editable parameters for support structures
  - New print profile for EPU prints on L1 printers
  - New wash profiles for the Smart Part Washer
- **Additional improvements:**
  - Improvements to the user experience on the new M3 printer
  - Various issue resolutions

### [v1.35](docId\:YKOGfcjUmql16EPijO4i1)  Released 04/22

- **Changes in how we print:**
  - Reduction in print-to-print variation
- **Other improvements:**
  - Gradient overhang tool

### [v1.34](docId\:TFg4K3BOcN9Ccwy6ppjDK)  Released 02/22

- **Changes in how we print:**
  - \[M1/M2] Decrease in EPU print time
- **Other improvements:**
  - Auto orientation elastomer support
  - Removal of retired resins
  - Network access page permissions change

### [v1.33](docId\:miCTo6GBvodaHDnaU1kZp)  Released 11/21

- **Changes in how we print:**
  - Increase in EPU 40 printability
  - Increase in Loctite IND405 Clear z-height accuracy
  - \[M1/M2 only] Reduction of excess material flashing
  - \[L1 only] Increase in print speed for densely packed builds
- **Other improvements:**
  - New alternative slicer - Poisson Slicer
  - \[L1 only] Print time estimate increase
  - Default part label change

### [v1.32](docId\:wr3oFVrWrOB8fEteBtXV0)  Released 09/21

- **Changes in how we print:**
  - Improving consistency of parts across a build and printers
- **Other improvements:**
  - Supports
  - Auto Orientation BETA - on platform option
  - Project setting for supports and Auto Orientation
- **L1 Printer:**
  - Ergonomic height on print completion

### [v1.31](docId:12vCxnXuEQdjnrn3SRho-)  Released 06/21

- **Changes in how we print:**
  - There are no changes to the way we print in this release
- **Other improvements:**
  - Auto Orientation BETA
  - Fence Supports
  - New project creation dialog
  - Project name token in labels

### [v1.30](docId\:SPqBHRNKMPtiQDIgKFJuc)  Released 04/21

- **Other Improvements**
  - Show/Hide Parts

### [v1.29](docId\:mKRiwy4V3ijV2_yRcY7rI)  Released 01/21

- **Other Improvements**
  - Initial model upload
  - Project editing performance

### [v1.28](docId\:bC_MovlXEIBdIddvx0CuJ)  Released 10/20

- **L1 printing support**
- **Other Improvements**
  - Request help improvements
  - Button styling

### [v1.27](docId:6bfx8mLmf6VPmtwsJ93Um)  Released 08/20

- **Changes to printing**
  - Improving consistency of parts across a build
  - Island detector update
  - Project analysis time decrease
  - Ability to always abort your print

### [v1.25](docId\:JjAhwHNXFujE42ZECwwzd)  Released 03/20

- **New features**
  - Island detector
  - Washer soil load estimator

### [v1.24](docId:35HV-tP-hmwMaxgaQYYUa)  Released 12/19

- **New features**
  - Boundary fence with patch-based supports
  - Orientation and translation improvements
  - Release film indicator on printer screen
  - Printer name and serial number on the printer screen
  - Unique identifier for new prints
  - Company-wide preferences

### [v1.23](docId\:fyp71rpKC0O2nbZCF5Mni)  Released 10/19

- **New features**
  - Queue a project revision
  - Download individual parts
  - Set user preference for Auto Layout
  - Save part labels with keystroke
  - Run project estimates with cassette type not in the printer
- **Changes to printing**
  - Print Faster

### [v1.22](docId\:rXDClP2uIi0JkpkRmXK3q)  Released 06/19

- **New features**
  - Project name editing in-line
  - Keep supports through a resin change
  - Carbon file security
- **Bug fixes**
  - Improvements for slicing projects with many triangles
- **Changes to printing**
  - Parts more accurate in first few slices
  - EPX 82 better characterized
- **Other notes**
  - Analytics in your local time
  - Create project changes

### [v1.21](docId\:l2asyeZv8fNW8jpCVabS8)  Released 04/19

- **New features**
  - Patch-based support placement
  - Speed improvements for Auto Layout
- **Changes to workflow**
  - No need to remove platform after aborting
- **Changes to printing**
  - None this release
- **Coming soon**
  - User management

### [v1.20](docId\:FCh0gvVy-5DtfRI4LS7W3)  Released 01/19

- **Queueing**
  - See new Queues tab on your Dashboard
  - Find projects to print from the Fleet Projects list
  - Queue them to any or many printers in your fleet
  - Monitor and update your queue(s) from your Dashboard
  - Start prints on the printer
  - Keep track of projects and prints across your fleet
  - Save notes about your print
- **Analytics**
  - Download consolidated print history
  - Understand your print history with 3 summary charts
- **Changes in how we print**
  - Optional Release Film compensation
  - Improvements for thick cross sections
- **Other notes**
  - Queue to M1's or M2's
  - Print id's and serials across your fleet
  - Fleet software updates

### [v1.19](docId\:riEQXIkZll3eLF7wSrT8n)  Released 10/18

- **Hole repair**
  - Automatically detect and repair holes in STLs
- **Additional dynamic part labels**
  - Part locations
  - Filenames
- **Traveler**
  - Printable (2D) views of your platforms
- **Supports**
  - Continue editing support structures after you've spun a part
  - Initial optimizations for MPU 100

### [v1.18](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 07/18

- New option for Auto Layout
- Smaller .carbon files

### [v1.17](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 04/18

- **Improvements in layout**
  - Change your camera view so you can check for part and support intersections
  - Lock orientation of your parts when using Auto Layout
  - Spin your parts to fit more on the platform
- **Part scaling**
  - Scale your parts in x, y, and z
- **New camera tool and a new place for model units (Part List)**
  - Set units for your parts
  - Zoom your camera view to be locked on a part
- **Default settings to speed project creation**
  - Set defaults by user for resin, slice thickness, support type, and print profile

### [v1.16](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 02/18

- **Select multiple parts** to move, copy, and delete
- **Print a part label** on your parts
- **Add short supports** manually

### [v1.15](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 11/17

- **Advanced auto supports** that are backed by FEA (finite element analysis), a powerful computational technique that simulates the forces of our printing process.
- Create **fence supports** by specifying polylines.

### [v1.14](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 10/17

- See all the parts in your project using Part List
- Detect issues before you print using Project Analysis
- Visualize unvented volumes in your project
- Highlight overhang angles on your parts
- Protect projects from accidental changes
- Search consolidated prints from all your printers

### [v1.13](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 08/17

- More accurate parts, especially negative features oriented in the z-direction
- Better performance when working with copies of a part
- Notifications when we detect an empty slice
- A user preference for which units your models usually use

### [v1.12](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 06/17

- New, faster ways to orient your parts
- Align a surface and snap, if possible, to the build platform
- Find the orientation for your part that minimizes its footprint on the platform
- Improved tools for working with your parts
- Measure from point to point on your parts
- More improvements
- Required resin estimates are 20 mL lower
- Printer door safety

### [v1.11](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 05/17

- Improved part accuracy
- Tuned how we print fine and super-fine slicing for better accuracy
- Better accuracy across the build platform
- Easier to work with multiple models
- Duplicate (number of copies)
- Auto Layout
- Upload multiple models at once
- Incremental improvements to auto-supports
- Fixes for supports fusing to parts, small features (like bosses), and part intersections
- More improvements
- View slices from within the Carbon app
- New PR 25 parameters for better prints
- Printer door safety
- Slicer fixes, especially for models in inches

### [v1.10](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 03/17

- Improved part accuracy
- More accurate in x,y-plane
- Better parts, more often
- New default way of printing that improves success
- Dynamic print profile that can speed up your print
- Reproduce prior parts
- Reprint a previous print
- Supports
- Add multiple supports more quickly
- Smarter support bars provide better support, especially for tough materials
- Clustering of supports for easier removal
- Better support for your Rigid Polyurethane parts
- Other improvements based on your feedback
- Better required resin estimation
- New feedback form
- Ease of use improvements in multi-part selection

### [v1.09](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 12/16

- Work with more than one model
- Duplicate a model
- Arrange your models
- Upload multiple STLs
- Improved part accuracy
- Correcting for thermal based shrinkage in z-direction for parts printed in PR
- Slice sampling point changed
- Auto-supports provide more complete support
- Supports tuned for thin features
- Stronger support for overhangs close to the platform
- Denser support structures for RPU 61 and 70
- Easier to add small supports manually
- Auto-supports generate more quickly
- Other improvements based on your feedback
- See estimated resin volume on printer
- Platform and cassette ID included in CSV export (of print history)
- Work with large models (allow your browser to display models that have a very high triangle count)
- Continue working with your printer when your network connection is flaky

### [v1.08](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 10/16

- Better parts through smarter supports
- Better support for thicker sections of printed parts
- Improved support along the edges of printed parts
- Simpler to work on your models
- Multi-delete of supports
- Actual dates and times on your lists (not a week ago)
- Unified access to view controls
- Support opacity options
- Part opacity options
- Automatic optimization of support types
- Undo and redo have a longer memory
- Duplicate from Project Settings

### [v1.07](docId\:YHcgajOCcqpH8Obq4dRTE)  Released 08/16

- Manual add and delete supports mode
- Easier to work with your models
- Clipping plane tool to see and add supports on the inside of a part, as well as visualize the build plane when you set the plane parallel to the build platform
- The display is more responsive as you pan around a model, and camera rotation better at keeping your position, especially when you're zoomed in on a section of the part
- Inverted triangle notification
- Better, more optimized supports
- Add small supports to your models, both in manual and auto-support modes
- Support tips optimized for PR, RPU 61 and CE
- Stronger supports for Elastomers
- Export and import of projects
- Email notifications when prints finish
- Better printing of trapped volumes
- Slicing improvements