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Solana's Alpenglow upgrade did not activate on mainnet September 28; next activation window is November 9.

Protocol Fundamentals
28 Sep 2026
CryptoTicker
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Neutral
Solana's Alpenglow upgrade did not activate on mainnet September 28; next activation window is November 9.

Solana's new consensus mechanism, Alpenglow, was expected to activate on mainnet on September 28, 2026, but this did not happen. The date referred to a general window for feature activations, not Alpenglow specifically. Developers confirmed that Alpenglow remains in testing on the testnet since September 22 and is not yet ready for mainnet activation. The next window for possible mainnet feature activations is scheduled for November 9, 2026. Investors holding SOL should not unstake or make changes based on the September 28 date, as staking rules and epochs remain unchanged. The upgrade will reduce validator costs and improve transaction finality once activated.

Solana's SOL token is currently priced at Rp2.133.912 on Pluang, showing a 2.81% decline over the past day. Market activity is fairly balanced with 55% of orders buying and 45% selling as of Sep 29, 2026 07:41 WIB.

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