Added

• Add example materials by @AntonPalmqvist in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/147

Changed

• Remove Standard Surface approximation of coat darkening by @jstone-lucasfilm in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/135
• Update anisotropy in reference graph by @jstone-lucasfilm in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/156
• Update version and date by @jstone-lucasfilm in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/164

Fixed

• Fix front-page link to license file by @jstone-lucasfilm in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/133
• Minor typo fixes by @portsmouth in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/137
• Fix transmission implementation and improve specification by @portsmouth in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/151
• Address parameter updates from #151 by @msuzuki-nvidia in https://github.com/AcademySoftwareFoundation/OpenPBR/pull/161