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Blender Foundation Rule

Copyleft applies when sharing modifications

Catalog row in Vendor License Rules · Cited

Kind
Restriction
Statement
The GPL requires everyone to share their modifications when they also share the software in public (copyleft).
Applies when
Sharing modified Blender publicly
Applies to
Modified Blender
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Evidence 1

Copyleft applies when sharing modifications evidence
"The GPL strictly aims at protecting these freedoms, requiring everyone to share their modifications when they also share the software in public. That aspect is commonly referred to as Copyleft."

License page, The SoftwareLicense — BlenderRetrieved 2026-10-08

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