According to Foresight News, Stacks has announced that it will implement the Nakamoto upgrade around October 29, coinciding with Bitcoin block height 867867. This upgrade will introduce Fast Blocks and Bitcoin finality to the Stacks network. Additionally, Stacks core developers plan to launch sBTC later this year. sBTC is a decentralized method that allows Bitcoin to be transferred from Layer 1 (L1) to Stacks Layer 2 (L2) and back.