This is an ABI compatible update for the 2.1.x series that includes important fixes and improvements over the 2.1.0 release.

New capabilities:

PR #1557, Adds Metal Shading Language generation support to the GPU renderer (#1520) PR #1504, Adds OpenGL ES generation support to the GPU renderer (#1497)

Noteworthy bug fixes and enhancements:

PR #1565, After Effects plug-in updates PR #1559, Adds Metal support to ociodisplay and enables running GPU tests with Metal backend (#1538) PR #1551, Fix issue resulting in NaNs when inverting ACES Output Transforms (#1539) PR #1548, Implement locale-agnostic number parsing (#1496) PR #1545, Fix issue causing configs to fail validation with certain LUT search paths (#1535) PR #1544, Python 3.10 macOS wheels PR #1529, Remove extra commas when writing a CDL in CLF file format (#1526) PR #1527, Fixes Unicode paths on Windows (#1363) PR #1524, Fix issues with OSL generation and improve the OSL unit test framework (#1514) PR #1518, Add Python GPU renderer implementation example (#1493) PR #1511, Improvement to color space metadata in ocioconvert exports (#1500) PR #1488, Better manage Imath dependency (#1478)

Other fixes and minor enhancements:

PR #1568, Update library name to 2.1.1 PR #1567, Update CLF test image from CLF working group (#1563) PR #1534, Fix add_test calls and change temporary file creation (#1522) PR #1528, ConfigTest - Virtual display python unit test (#1481) PR #1523, CMake: remove duplicate find_package(pybind11 ...) (#1521) PR #1517, Update to new cibuildwheel location (#1513) PR #1512, Remove Python wheel workflow running on every pull request (#1503) PR #1510, Fix install paths regressions (#1502) PR #1506, Fix the analysis workflow (#1492) PR #1505, Support for valgrind and related fixes, OIIO cmake tweak (#1489) PR #1501, Add support for MinGW (#1485) PR #1499, FindExpat: allow usage of expat 2.2.9 (#1483) PR #1494, Remove the useless cmake target on oiiotool (#1477) PR #1490, Remove OpenColorIOHeaders target and hardcoded install paths (#1471)