AcademySoftwareFoundation/OpenImageIO v3.0.19.1

on GitHub

Notes:

1. This is a release for the obsolete 3.0 branch. You are strongly encouraged to upgrade to 3.1 if you haven't already.
2. This patch release only fixes a build break, which is only encountered if relying on the "auto-build" of dependency OpenColorIO if you don't already have it able to be found on your system. If you aren't encountering this problem, you do not need to upgrade from 3.0.19.0.

Release 3.0.19.1 (Jun 14, 2026) -- compared to 3.0.19.0

• build: Fix build break when auto-build pystring is needed, after it updated to v1.2.0 #5235
• admin: Clarify security policy to explain what qualifies as a vulnerability #5232