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Morning Edition · Monday, September 21, 2026Published at 1:47 AM EDT · New York
Solana Cut Slot Times to 250 Milliseconds, Shrinking Every Validator's Leader Window to One Second
The third stage of SIMD-0525 activated at epoch 1037 on 18 September, and the remaining step to 200 milliseconds has no mainnet date.
Solana's third scheduled reduction in slot time went live at epoch 1037 on 18 September, moving the network from 300 milliseconds to 250 and from roughly 3.3 targeted slots per second to four. Throughput did not rise, and that is by design.…
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