Solana transactions just got more than 3 times bigger, narrowing the gap with Ethereum

Solana has raised its per-transaction data allowance under an update called Transaction V1, increasing the limit to 4,096 bytes from the prior 1,232 bytes. The threefold-plus increase gives on-chain transactions substantially more room for data and instructions without splitting work across multiple transactions. Developers are expected to benefit immediately from the extra capacity when building features that bundle several actions into one atomic operation. The change particularly targets scenarios such as multi-step trades, where several swaps or checks must execute together, company-wallet approvals that may require additional signature or policy data, and privacy-proof payloads that can be large and previously forced workarounds. The upgrade also positions Solana closer to Ethereum in terms of per-transaction payload capacity, reducing a practical difference between the two ecosystems for applications that rely on larger transaction bodies. By allowing more complex logic and larger proofs inside single transactions, the network can simplify certain developer patterns and reduce the operational overhead of coordinating multiple transactions. Project teams building on Solana are likely to reassess designs that previously split flows across several transactions to avoid size limits. With Transaction V1, those flows can be consolidated, which may improve user experience and lower the chance of partial failures during multi-step operations.