According to official sources, the Cosmos Hub community has started voting on proposal #885 "v15 software upgrade" and is expected to end on March 16. If approved, the software upgrade proposal is expected to go live on the mainnet on March 20. The focus of version v15 is a major upgrade of Cosmos SDK to version v0.47, which uses v0.47.8-ics-lsm, a unique branch of Cosmos SDK that includes support for ICS and LSM.