Network upgrade notifications
Solana Upgrades
Track network changes, validator actions, client support, and rollout status for Solana protocol and performance upgrades.
AllValidator actionsProtocol changesPerformance
Mainnet Live
100M CU Blocks
Raising Solana's block limit from 60M to 100M compute units
100M
Compute units per block, up from 60M
66%
Increase in block capacity
July 2026View details
Under Development
Agave 4.2 Release Overview
Cheaper rent, larger transactions, and faster slots — with Alpenglow on deck
90%
Rent reduction, phased over 5 steps
4096
Bytes per transaction, up from 1232
July 2026View details
Under Development
Reduced Rent
Cutting the cost of on-chain storage by 90%
90%
Rent reduction, phased over 5 steps
696
Target lamports per byte, down from 6,960
July 2026View details
BLS Pubkeys Live on MainnetVAT Action Required
BLS Pubkey and the Validator Admission Ticket
What validator operators must do before the VAT feature gate activates
2,000
Max validators admitted under VAT
1.6 SOL
VAT fee, after full alpenglow migration
July 2026View details
Under Development
Alpenglow
Faster finality with Solana's next consensus protocol
150ms
Target finality
20+20
Adversarial plus offline stake model
June 2026View details
Target Mainnet: Q3 2026
Larger Transaction Sizes
Raising the maximum transaction size from 1232 to 4096 bytes
4096
Bytes per transaction, up from 1232
3.3x
More room for ZK proofs, multisigs, and batches
June 2026View details
Under Development
New Cryptography Schemes
Native syscalls for BN254 G2 and BLS12-381 curve operations
10-20x
Lower compute vs pure-BPF implementations
128-bit
Security level with BLS12-381
June 2026View details
Q3 2026
Reduced Slot Times
Cutting slot times from 400ms to 200ms
200ms
New slot time, down from 400ms
2x
Faster confirmations for users
June 2026View details
🟢 Agave 4.x + Opt in🟢 Firedancer: Default on
XDP on Solana
Kernel-bypass networking for faster block propagation on Solana
200x
Latency Reduction vs. Standard Networking
100M
Compute Units per Block (Enabled by XDP)
May 2026View details
Mainnet Live
Optimized Token Program
Up to 98% More Efficient Token Operations on Solana
95-98%
Reduction in Compute Units
10%
More Total Block Space
April 2026View details