ci: Add a VFX Platform 2026 CI job (AcademySoftwareFoundation#4856)

And a bunch of other minor updates:
* Change from 'testing' to regular containers
* Add forgotten 'export'
* Update default self-build pybind11 to 3.0.0

---------

Signed-off-by: Larry Gritz <[email protected]>

Author: lgritz

.github/workflows/ci.yml

@@ -283,12 +283,12 @@ jobs:
           - desc: VFX2023 gcc11/C++17 py3.10 exr3.1 ocio2.2
             nametag: linux-vfx2023
             runner: ubuntu-latest
-            container: aswftesting/ci-osl:2023-clang15
+            container: aswf/ci-osl:2023-clang15
             python_ver: "3.10"
             simd: "avx2,f16c"
             fmt_ver: 10.1.1
             pybind11_ver: v2.10.0
-            setenvs: PUGIXML_VERSION=v1.13
+            setenvs: export PUGIXML_VERSION=v1.13
           - desc: VFX2023 icc/C++17 py3.10 exr3.1 ocio2.1 qt5.15
             nametag: linux-vfx2023.icc
             runner: ubuntu-latest
@@ -324,39 +324,50 @@ jobs:
           - desc: VFX2024 gcc11/C++17 py3.11 exr3.2 ocio2.3
             nametag: linux-vfx2024
             runner: ubuntu-latest
-            container: aswftesting/ci-osl:2024-clang17
+            container: aswf/ci-oiio:2024
             python_ver: "3.11"
             simd: "avx2,f16c"
             fmt_ver: 10.1.1
             pybind11_ver: v2.12.0
             benchmark: 1
-            setenvs: PUGIXML_VERSION=v1.14
+            setenvs: export PUGIXML_VERSION=v1.14
           - desc: VFX2024 clang/C++17 py3.11 exr3.2 ocio2.3
             nametag: linux-vfx2024.clang
             runner: ubuntu-latest
-            container: aswftesting/ci-osl:2024-clang17
+            container: aswf/ci-oiio:2024
             cc_compiler: clang
             cxx_compiler: clang++
             python_ver: "3.11"
             simd: "avx2,f16c"
             fmt_ver: 10.1.1
             pybind11_ver: v2.12.0
             benchmark: 1
-            setenvs: PUGIXML_VERSION=v1.14
+            setenvs: export PUGIXML_VERSION=v1.14
           - desc: VFX2025 gcc11/C++17 py3.11 exr3.3 ocio2.4
             nametag: linux-vfx2025
             runner: ubuntu-latest
-            container: aswftesting/ci-oiio:2025
+            container: aswf/ci-oiio:2025
+            cxx_std: 17
             python_ver: "3.11"
             simd: "avx2,f16c"
             fmt_ver: 11.1.4
             pybind11_ver: v2.13.6
             benchmark: 1
-            setenvs: PUGIXML_VERSION=v1.15
+            setenvs: export PUGIXML_VERSION=v1.15
+          - desc: VFX2026 gcc14/C++20 py3.13 exr3.4 ocio2.4
+            nametag: linux-vfx2026
+            runner: ubuntu-latest
+            container: aswf/ci-oiio:2026
+            cxx_std: 20
+            python_ver: "3.13"
+            simd: "avx2,f16c"
+            pybind11_ver: v3.0.0
+            benchmark: 1
+            # setenvs: export 
           - desc: Sanitizers
             nametag: sanitizer
             runner: ubuntu-latest
-            container: aswf/ci-osl:2024-clang17
+            container: aswf/ci-oiio:2024
             cc_compiler: clang
             cxx_compiler: clang++
             build_type: Debug

src/build-scripts/build_pybind11.bash

@@ -11,7 +11,7 @@ set -ex
 
 # Repo and branch/tag/commit of pybind11 to download if we don't have it yet
 PYBIND11_REPO=${PYBIND11_REPO:=https://github.com/pybind/pybind11.git}
-PYBIND11_VERSION=${PYBIND11_VERSION:=v2.12.0}
+PYBIND11_VERSION=${PYBIND11_VERSION:=v3.0.0}
 
 # Where to put pybind11 repo source (default to the ext area)
 PYBIND11_SRC_DIR=${PYBIND11_SRC_DIR:=${PWD}/ext/pybind11}

src/cmake/build_pybind11.cmake

@@ -6,7 +6,7 @@
 # pybind11 by hand!
 ######################################################################
 
-set_cache (pybind11_BUILD_VERSION 2.12.0 "pybind11 version for local builds")
+set_cache (pybind11_BUILD_VERSION 3.0.0 "pybind11 version for local builds")
 set (pybind11_GIT_REPOSITORY "https://github.com/pybind/pybind11")
 set (pybind11_GIT_TAG "v${pybind11_BUILD_VERSION}")
 set_cache (pybind11_BUILD_SHARED_LIBS ${LOCAL_BUILD_SHARED_LIBS_DEFAULT}