The network activated SIMD-0286 on mainnet during Epoch 1009, raising the maximum block compute units from 60 million to 100 million. That 66% jump in per-block capacity is the single largest throughput expansion Solana has made in recent memory. For context: compute units are roughly how Solana measures the computational cost of processing transactions. Why timing this right mattersApproximately 11% of blocks were already approaching the previous 60 million CU ceiling during peak demand periods. SIMD-0256 raised the compute limit from 50 million to 60 million in July 2025, roughly a year before SIMD-0286 landed.