Solana has activated a mainnet feature that cuts its target slot time from 400 milliseconds to 350 milliseconds, the network’s first slot-time reduction since its inception.
The change shortens the window for leaders to complete blocks and is intended to give users faster transaction confirmations. Solana’s explorer lists the SIMD-0525 feature as active on Mainnet Beta at slot 440,208,000 in epoch 1019.
For validators, the shift starts a staged transition rather than an immediate jump to the planned 200-millisecond endpoint. Each additional 50-millisecond reduction will activate through a separate feature gate in a later epoch, allowing the network to pause if block skip rates climb.
Jacob Creech, vice president of technology at the Solana Foundation, described the move Friday as Solana’s first slot-time reduction and said 300 milliseconds is the next target.
Solana’s approved sequence moves from 400 milliseconds to 350, then 300, 250 and finally 200 milliseconds. The Solana Foundation says the network will not advance to the next reduction if block skip rates are too high.
