| LS | Title | From | To | Approval date |
| SG13-LS174 | LS/r on initiation of new work item ITU-T X.tdu-mv “Requirements for components of trusted data use in building a trustworthy metaverse” (SG17-LS112) | SG13 | SG17; | 2026-02-27 |
| SG17-LS112 | LS on SG17 new work item X.tdu-mv “Requirements for components of trusted data use in building a trustworthy metaverse” | SG17 | ISO/IEC JTC1/SC27; ETSI TC CYBER; ISO/IEC JTC1/SC41; ISO/IEC JTC1/SC24; SG21; SG13; SG20; | 2025-12-11 |