#solanaanzaunveilsagave4.3releaseplan — Solana's ($SOL ) biggest protocol change ever has a date 🧵
On Aug 12, Anza — the core engineering team behind Solana's Agave validator client — published the official Agave 4.3 release schedule . And the headline feature is exactly what the ecosystem has been waiting for:
🗻 Alpenglow — Solana's largest protocol change in history.
A full consensus rewrite that changes how Solana decides finality:
💥Finality drops from ~12–13 seconds to ~100–150ms (~100x faster)
💥Kills validator vote messages , which currently eat up ~75% of all blockspace — freeing room for real user transactions (swaps, perps, transfers)
What else ships in 4.3:
🆕 New syscalls: SHA-512 + big integer modular exponentiation📈 Increased CPI call depth (deeper program composability)
Timeline & rollout:
💥Aug 17: Agave 4.2 activates on mainnet — 200ms slot times, -90% account rent , 3.3x transaction size — and it ships the complete Alpenglow code
💥October: Alpenglow activates via Agave 4.3 , rolled out in phases: testnet → volunteers → full mainnet
One number to watch in October isn't the 150ms — it's validator economics: only the top 2,000 validators by stake get a seat , each burning ~0.8 SOL/day to the incinerator. That's the real stress test.
Context: this comes right after an Aug 12 routing fault briefly knocked ~29% of staked SOL offline (fixed in 10 min, just under the 33% freeze threshold) — making the stability push behind 4.3 feel even more timely. 🏗️
#EthereumFoundationDropsPoseidonForL1 #USJulyCPI&PPIDueThisWeek #USJulyPPIFlat #SpaceXShortInterestFallsTo11%
On Aug 12, Anza — the core engineering team behind Solana's Agave validator client — published the official Agave 4.3 release schedule . And the headline feature is exactly what the ecosystem has been waiting for:
🗻 Alpenglow — Solana's largest protocol change in history.
A full consensus rewrite that changes how Solana decides finality:
💥Finality drops from ~12–13 seconds to ~100–150ms (~100x faster)
💥Kills validator vote messages , which currently eat up ~75% of all blockspace — freeing room for real user transactions (swaps, perps, transfers)
What else ships in 4.3:
🆕 New syscalls: SHA-512 + big integer modular exponentiation📈 Increased CPI call depth (deeper program composability)
Timeline & rollout:
💥Aug 17: Agave 4.2 activates on mainnet — 200ms slot times, -90% account rent , 3.3x transaction size — and it ships the complete Alpenglow code
💥October: Alpenglow activates via Agave 4.3 , rolled out in phases: testnet → volunteers → full mainnet
One number to watch in October isn't the 150ms — it's validator economics: only the top 2,000 validators by stake get a seat , each burning ~0.8 SOL/day to the incinerator. That's the real stress test.
Context: this comes right after an Aug 12 routing fault briefly knocked ~29% of staked SOL offline (fixed in 10 min, just under the 33% freeze threshold) — making the stability push behind 4.3 feel even more timely. 🏗️
#EthereumFoundationDropsPoseidonForL1 #USJulyCPI&PPIDueThisWeek #USJulyPPIFlat #SpaceXShortInterestFallsTo11%