| Edition | Approval Date | Key Changes | | :-------- | :-------------- | :--------------------------------------------------------------------------------------------------------------------------------------- | | | May 2003 | Initial version of the standard. | | 2nd Edition | March 2005 | Added four new profiles: High, High 10, High 4:2:2, and High 4:4:4, improving video quality for various applications. | | 3rd Edition | November 2007 | Integrated amendments and corrections from previous years to create a more cohesive standard. | | 14th Edition | August 2021 | Specified additional SEI messages for annotated regions and shutter interval information; included minor corrections and clarifications. | | 15th Edition | August 2024 | The most recent edition, maintaining the standard’s relevance with further refinements. |
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