Solana Lowers Target Slot Time to 350ms, With 300ms Roadmap for Faster Confirmations

Solana has reduced its target slot time from 400 milliseconds to 350 milliseconds, marking the first slot-time change since the network’s launch. The updates start after an Aug. 21 announcement and were described by multiple outlets as a major performance adjustment aimed at faster block processing ^{[1] [2]}.

Reporting also described a multi-stage roadmap tied to further reductions: 350 milliseconds is the initial milestone, with 300 milliseconds identified as the next target in the sequence. The changes are framed as intended to shorten transaction confirmation times by decreasing the fixed window in which validators produce and confirm blocks ^{[3] [4]}.

Solana’s slot-time reduction to 350ms represents the network’s first such adjustment since launch, with subsequent targets reported for continued reductions in the following phases ^{[1] [4]}.