Solana to activate 250 ms slots on mainnet on September 18

• —Activation of 250 ms slots is expected on September 18 at around 05:01 UTC at the boundary of epoch 1037
• —Slot reduction is phased: 400 → 350 → 300 → 250 → 200 ms
• —350 ms and 300 ms slots are already live on mainnet, while 250 ms and 200 ms are active on devnet and testnet
• —At 200 ms, the network will produce twice as many blocks per day as at 400 ms