discussion thread for Add EIP: Hard limit and cost reduction for transient storage allocation by charles-cooper · Pull Request #9894 · ethereum/EIPs · GitHub (EIP number unallocated)
This EIP adds a transaction-global hard limit for transient storage and reprices TLOAD, TSTORE and warm SLOAD down to 5, 12 and 5, respectively. The current values are tentative and subject to further benchmarking.