Comprehensive Response to Bambu's AGPLv3 Violations
The Software Freedom Conservancy (SFC) has initiated a response to Bambu Lab's violations of the AGPLv3 license. Two confirmed violations include the failure to provide complete source code for their Slicer software and aggressive actions against a developer who modified another slicer. SFC's comprehensive approach aims to address these ongoing issues and promote compliance with software licensing requirements.
- ▪Bambu Lab has been found to violate the AGPLv3 by not providing the complete Corresponding Source Code for their Slicer software.
- ▪The company has publicly admitted to combining their modified slicer with a proprietary library, which constitutes a violation.
- ▪Bambu's aggressive actions against a developer who created a compatible slicer modification further demonstrate their disregard for AGPLv3 requirements.
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Comprehensive Response to Bambu's AGPLv3 Violations Multi-pronged Approach Will Help Users Quicklywhile Seeking Optimal Long-Term Solutions May 18, 2026 Software Freedom Conservancy (“SFC”) announces a new initiative regarding the software right to repair for users and consumers of 3D printers manufactured by Bambu Lab. After recent news of violations of the Affero General Public License, version 3 (“AGPLv3”), SFC staff began a comprehensive AGPLv3 compliance investigation of both the userspace software and firmware on Bambu's devices. While the investigation is ongoing, two specific AGPLv3 violations have been confirmed. libbambu_networking Violation Confirmed First, Bambu does not provide the complete, Corresponding Source Code (“CCS”) for their Slicer software.
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