The Solana network has officially increased its maximum transaction size from 1,232 bytes to 4,096 bytes. This update, which went live on the mainnet on Tuesday at the start of epoch 1,035, is designed to provide developers with additional capacity for complex operations.
The upgrade introduces the v1 transaction format, which ensures backward compatibility with legacy systems. While existing formats remain functional for wallets and applications, developers must transition to the v1 standard to utilize the expanded size limit for their protocols.
According to the Solana Foundation, the primary goal of this change is to enable more sophisticated workloads. This includes support for zero-knowledge proofs, transactions involving multiple signatures, and new onchain signature schemes that were previously constrained by size limits.
This technical adjustment follows other recent network modifications. In August, Solana reduced its slot time to 350 milliseconds, down from 400 milliseconds. Additionally, on August 28, validators approved a proposal to increase the annual disinflation rate, which will lower the future issuance of the SOL token.
