Jito upgrades Block Assembly Marketplace, cuts bundle delays by about 50ms

Early results show a 72% rise in average rewards per successful bundle as Solana tightens slot times ahead of Alpenglow Jito has upgraded its Block Assembly Marketplace (BAM) on Solana , shaving approximately 50 milliseconds off bundle submission delays. Early results tied to the upgrade, announced October 13, 2026, point to a 72% rise in average rewards for each successful bundle submitted to the network. A bundle is a package of transactions submitted together for inclusion in a block, typically with a tip attached for the validator who includes it. BAM is the marketplace where those bundles compete for space.