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Spec Title Releases WG
23.237IP Multimedia Subsystem (IMS) Service Continuity; Stage 218.0.0
17.0.0
16.4.0
15.2.0
14.2.0
13.1.0
12.10.0
11.11.0
10.13.0
9.10.0
8.7.0
S2
26.237IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols18.0.0
17.0.0
16.0.0
15.0.0
14.0.0
13.0.0
12.1.0
11.3.0
10.8.0
9.11.0
8.7.0
S4
37.870Study on Multi-RAT joint coordination13.0.0
0.5.0
R3
37.871E-UTRA, UTRA and GSM/EDGE; Multi-Band Base Station testing with three or more bands14.0.0R4
37.872Supplementary uplink (SUL) and LTE-NR co-existence15.1.0R4
37.873Study on optimizations of UE radio capability signalling; NR / Evolved Universal Terrestrial Radio Access Network (E-UTRAN) aspects16.0.0R2
37.875Band combinations for Uu and V2X con-current operation17.0.0R4
37.876Study on eNB(s) Architecture Evolution for E-UTRAN and NG-RAN15.0.0R3
37.877Rel-18 downlink interruption for NR and EN-DC band combinations at dynamic Tx switching18.0.0R4
37.878Rel-18 Band combinations for con-current operation of NR/LTE Uu bands/band combinations and one NR/LTE V2X PC5 band18.0.0R4

All information on this page is aggregated from the 3GPP Specfication Status Report page.