| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| Y.4201-Rev | Q1/20 | | Under study | 2026-Q4 | AAP | Rev. | - | High-level requirements and reference framework of smart city platforms | Medium |
| Y.4238 (ex Y.dtmv-reqts) | Q1/20 | | Consented 2025-09-25 | 2025-Q4 | AAP | New | ITU-T SG16 | Requirements for integrating virtual and physical worlds through digital twins in the metaverse | Medium |
| Y.4239 (ex Y.dtmv-ref) | Q1/20 | | Consented 2025-09-25 | 2025-Q4 | AAP | New | ITU-T SG16 | Reference model for integrating virtual and physical worlds through digital twins in the metaverse | Medium |
| Y.4240 (ex Y.dtmv-if) | Q1/20 | | Consented 2025-09-25 | 2025-Q4 | AAP | New | ITU-T SG16 | Interoperability for integrating virtual and physical worlds through digital twins in the metaverse | Medium |
| Y.citiverse-ai-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG 21, ISO/IEC JTC 1/SC 42, ISO/IEC JTC 1/WG 11 | Requirements for AI-enabled interoperability in citiverse | Medium |
| Y.citiverse-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG 21, ISO/IEC JWG16 | Requirements of citiverse platform for smart sustainable cities and communities | Medium |
| Y.diwi-reqts | Q1/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG17 | Requirements of digital identity wallet interoperability for smart city services | Medium |
| Y.dt-RDRM | Q1/20 | | Under study | 2027-Q3 | AAP | New | JTC 1/SC 41; ISO TC 184/SC 4; ITU-T SG21; IEC TC 57; ISO/TC 59/SC 13; IEEE 2888 | Requirements of digital twin representation model for power grid | Medium |
| Y.Sup.DRI-id | Q1/20 | | Under study | 2026-12 | Agreement | New | ITU-T SG21, ISO TC 299 | Supplement to ITU-T Y.4607 - Identification framework for autonomous mobile robot services | Medium |
| Y.Sup.DRI-usecases | Q1/20 | | Under study | 2027-Q2 | Agreement | New | ITU-T SG21 | Supplement to ITU-T Y.4607 - Use cases of interworking-based autonomous mobile robot services | Medium |
| Y.4241 (ex Y.dt-SComCam) | Q2/20 | | Determined 2025-09-25 | 2025-Q4 | TAP | New | ITU-T SG16, ISO/TC 184/SC 4, ISO/IEC JTC 1/SC 41 | Common requirements and capability framework of digital twin for smart complex and campus | Medium |
| Y.4242 (ex Y.energy-storage) | Q2/20 | | Determined 2025-09-25 | 2025-Q4 | TAP | New | ITU-T SG5, ITU-T SG16, IEC/TC 120 | Requirements and capability framework of energy storage service for residential community in smart city | Medium |
| Y.4243 (ex Y.IoT-smartschool) | Q2/20 | | Determined 2025-09-25 | 2025-Q4 | TAP | New | ISO TC232 | Requirements of IoT-based smart school management | Medium |
| Y.4420 | Q2/20 | | Determined 2025-09-25 | 2025-Q4 | TAP | Rev. | ISO/TC 178, ETSI, oneM2M | Framework of Internet of things based monitoring and management for elevators | Medium |
| Y.AIA-SH | Q2/20 | | Under study | 2027-Q1 | AAP | New | ITU-T SG21 | Requirements and capabilities of AI agent system for smart home | Medium |
| Y.Ambient-IoT | Q2/20 | | Under study | 2026-Q4 | AAP | New | ISO/IEC JTC1/SC31, GS1, 3GPP RAN, 3GPP SA1 | Requirements and capabilities of ambient power-enabled Internet of Things | Medium |
| Y.EBM-fra | Q2/20 | | Under study | 2027-Q2 | AAP | New | 3GPP RAN, 3GPP SA1 | A capability framework of Energy Battery Monitoring Based on Ambient power-enabled Internet of Things | Medium |
| Y.EIR-ILH | Q2/20 | | Under study | 2027-Q3 | AAP | New | ITU-T SG21, 3GPP SA1 | Requirements and capabilities of intelligent robots for industrial IoT scenarios | Medium |
| Y.EV-PUD | Q2/20 | | Under study | 2026-Q2 | TAP | New | ITU-T SG16, ISO/IEC TC22, ISO/SAE TC22, CITS | Requirements of electric vehicle power usage data acquisition and management for smart city | Medium |
| Y.IIoT-AIA | Q2/20 | | Under study | 2027-Q4 | AAP | New | ITU-T SG21, IEEE C/AISC , ISO/IEC JTC 1/SC 42, ETSI TC SAI and CEN/CLC/JTC 21 | Requirements and framework for AI agent system in industrial IoT environment | Medium |