[Starknet Announces Grinta Upgrade Preview, Scheduled for Temporary Downtime Tomorrow at 14:00] Foresight News reports that Starknet tweeted about the Grinta upgrade (Starknet v0.14.0), which will significantly alter the core architecture (decentralized sequencer, fee market, etc.). The temporary downtime is expected to begin at 14:00 Beijing time tomorrow and last approximately 15 minutes. During the downtime, the mainnet will not accept transactions to prevent errors during network recovery.