Upcoming OpenSubdiv License Update
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David G Yu
Oct 14, 2025, 8:28:05 PMOct 14
to OpenSubdiv Forum
We'll be renaming the OpenSubdiv license in the upcoming v3.7.0 release. There won't be any changes to the licensing terms and conditions. This is similar to the change we recently made to the OpenUSD license. See the FAQ below for more details!
FAQ:
What's Changing?
To date, OpenSubdiv has been distributed under what we called a modified Apache 2.0 License. We now have a new name for our license: the "Tomorrow Open Source Technology License" or "TOST."
Why?
The Apache Foundation asked that we change the name, and we have decided to comply with their request.
How does this affect the license?
The terms and conditions will stay exactly the same. The only changes are 1) to the title and 2) the addition of an informational statement clarifying the difference between the standard Apache 2.0 license and this license.
Where can I get more information?
If you have any questions or concerns about the license, please contact us at opens...@pixar.com.
Thanks!
FAQ:
What's Changing?
To date, OpenSubdiv has been distributed under what we called a modified Apache 2.0 License. We now have a new name for our license: the "Tomorrow Open Source Technology License" or "TOST."
Why?
The Apache Foundation asked that we change the name, and we have decided to comply with their request.
How does this affect the license?
The terms and conditions will stay exactly the same. The only changes are 1) to the title and 2) the addition of an informational statement clarifying the difference between the standard Apache 2.0 license and this license.
Where can I get more information?
If you have any questions or concerns about the license, please contact us at opens...@pixar.com.
Thanks!
-David
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