The draw.io Desktop release for version 31.5.2, published September 24, 2026, shipped with a LICENSE file under GPL-3.0 where the previous release carried Apache License 2.0, and the project’s 31.5.3 release notes confirm the change and state that the Linux deb and rpm packages now declare GPL-3.0-only. Version 31.5.3 also updated the package metadata to GPL-3.0-only, while the separate draw.io core editor repository continues to state Apache License 2.0.
draw.io Desktop relicensed from Apache 2.0 to GPL-3.0-only
The draw.io Desktop release for version 31.5.2, published September 24, 2026, shipped with a LICENSE file under GPL-3.0 where the previous release carried Apache License 2.0, and the project's 31.5.3 release notes confirm the change and state that the Linux deb and rpm packages now declare GPL-3.0-only. Version 31.5.3 also updated the package metadata to GPL-3.0-only, while the separate draw.io core editor repository continues to state Apache License 2.0.
Source: Github