The 172nd Ethereum consensus layer core developers meeting (ACDC) focused on several significant updates. The BPO2 upgrade was successfully activated, with the Blob Target increased to 14 and the Limit raised to 21. Additionally, EIP-8070, known as the Sparse Blob Pool, has been confirmed for inclusion in the upcoming Glamsterdam upgrade. The proposal process for the Hegota headline proposal has also commenced, with a deadline set for February 5.