Jenner Hard Fork on BSC Mainnet
BNB Chain (BNB) · Releases & Updates · Late November 2026
BNB Chain's Jenner hard fork (4 BEPs incl. a compliant asset standard and payment lane) hits BSC mainnet in late November 2026; testnet late October.
BNB Chain (BNB) plans the Jenner hard fork on BNB Smart Chain (BSC) mainnet in late November 2026, after a late-October 2026 testnet activation, per the official BNB Chain docs announcement page (exact times TBA). Jenner bundles four BEPs, including BEP-702 (CAS20 compliant asset standard for stablecoins and tokenized assets), BEP-703 (a dedicated payment lane), BEP-706 (millisecond block timestamps) and BEP-714. Node operators and validators will need to upgrade before activation. It follows the Mendel/Osaka and Pasteur upgrades earlier in 2026. Keywords: BNB Chain Jenner hard fork, BSC upgrade November 2026, BEP-702 CAS20, BNB Smart Chain mainnet upgrade, BNB news.