| | | 2020-01-14 | Tencent Technology (Shenzhen) Company Limited (HVVC-01) |
| | | 2020-02-07 | Electronics and Telecommunications Research Institute (HVVC-02) |
| | | 2020-02-10 | Hanbat National University Industry-academic Cooperation Foundation (HVVC-03) |
| | | 2020-02-14 | University-Industry Cooperation Foundation of Korea Aerospace University (HVVC-04) |
| | | 2020-02-18 | Industry Academy Cooperation Foundation of Seojong University (HVVC-05) |
| | | 2020-03-23 | Qualcomm Incorporated (HVVC-06) |
| | | 2020-03-27 | Telefonaktiebolaget L M Ericsson (HVVC-07) |
| | | 2020-04-13 | Microsoft Technology Licensing (HVVC-08) |
| | | 2020-06-16 | Panasonic Corporation (HVVC-09) |
| | | 2020-06-22 | Apple Inc. (H266-03) |
| | | 2020-06-29 | Intel Corporation (H266-01) |
| | | 2020-06-30 | Nokia Corporation (H266-02) |
| | | 2020-07-13 | University-Industry Cooperation Group of Kyung Hee University (H266-04) |
| | | 2020-07-14 | Huawei Technologies Co., Ltd. (H266-05) |
| | | 2020-07-15 | Dolby Laboratories Inc, (H266-06) |
| | | 2020-08-03 | Sharp Corporation (H266-07) |
| | | 2020-08-05 | Alibaba Group Holding Limited (H266-08) |
| | | 2020-08-05 | Hyundai Motors Company (H266-09) |
| | | 2020-08-10 | FG Innovation Company Limited (H266-10) |
| | | 2020-08-17 | SZ DJI Technology Co., Ltd (H266-11) |
| | | 2020-08-25 | Canon Inc. (H266-12) |
| | | 2020-08-25 | InterDigital Video Technologies, Inc. (H266-13) |
| | | 2020-08-25 | VID SCALE, Inc. (H266-14) |
1.0 | H.266 | Superseded | 2020-08-29 | |
| | | 2020-09-21 | Broadcom Corporation (H266-15) |
| | | 2020-09-21 | Broadcom Corporation (H266-16) |
| | | 2020-10-26 | Nokia Technologies Oy (H266-17) |
| | | 2020-10-26 | Nokia Technologies Oy (H266-51) |
| | | 2020-10-28 | Fujitsu Ltd. (H266-18) |
| | | 2020-10-29 | Nokia Technologies Oy (H266-19) |
| | | 2021-01-28 | Nokia Technologies Oy (H266-20) |
| | | 2021-01-29 | OP Solutions, LLC (H266-21) |
| | | 2021-02-02 | Google LLC (H266-22) |
| | | 2021-02-08 | Wilus Institute of Standards and Technology Inc. (H266-23) |
| | | 2021-03-26 | Humax Co., Ltd. (H266-24) |
| | | 2021-04-23 | LG Electronics Inc. (H266-25) |
| | | 2021-04-29 | Nokia Technologies Oy (H266-27) |
| | | 2021-05-07 | V_Nova International Ltd. (H266-26) |
| | | 2021-05-14 | XRIS Corporation (H266-28) |
| | | 2021-05-19 | Fraunhofer_Gesellschaft zur Forderung der angewandten Forschung e. V. (H266-29) |
| | | 2021-05-20 | Fraunhofer_Gesellschaft zur Forderung der angewandten Forschung e. V. (H266-32) |
| | | 2021-05-31 | Nokia Technologies Oy (H266-30) |
| | | 2021-09-14 | Koninklijke KPN N.V. (H266-31) |
| | | 2022-01-04 | SK Telecom (H266-33) |
| | | 2022-01-05 | Beijing Dajia Internet Information Technology Co., Ltd. (H266-34) |
| | | 2022-02-10 | Fondation B-COM (H266-35) |
| | | 2022-03-01 | Nokia Technologies Oy (H266-36) |
| | | 2022-03-14 | Nokia Technologies Oy (H266-37) |
| | | 2022-03-28 | Hangzhou Hikvision Digital Technology Co. Ltd. (H266-38) |
| | | 2022-04-29 | Hanwha Techwin Co., Ltd. (H266-39) |
2.0 | H.266 (V2) | Superseded | 2022-04-29 | |
| | | 2022-05-20 | Nokia Technologies Oy (H266-40) |
| | | 2022-05-20 | Nokia Technologies Oy (H266-41) |
| | | 2022-05-25 | Nokia Technologies Oy (H266-42) |
| | | 2022-08-29 | Sony Group Corporation (H266-44) |
| | | 2022-10-05 | Nokia Technologies Oy (H266-45) |
| | | 2022-10-10 | Nokia Technologies Oy (H266-46) |
| | | 2022-10-24 | Nokia Technologies Oy (H266-47) |
| | | 2023-02-10 | Godo Kaisha IP Bridge 1 (H266-48) |
| | | 2023-09-04 | Beijing Bytedance Network Technology Co.,Ltd. (H266-50) |
| | | 2023-09-18 | Nokia Technologies Oy (H266-49) |
3.0 | H.266 (V3) | In force | 2023-09-29 | |
| | | 2023-12-20 | Digitalinsights Inc. (H266-52) |
| | | 2024-04-03 | Beijing ByteDance Network Technology Co., Ltd and Bytedance Inc (H266-53) |
| | | 2024-05-23 | Kwangwoon University Industry-Academic Collaboration Foundation (H266-54) |
| | | 2024-06-19 | NEC CORPORATION (H266-55) |
| | | 2024-06-26 | Apple Inc. (H266-56) |
| | | 2024-09-23 | Hangzhou Hikvision Digital Technology Co. Ltd. (H266-57) |