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Solana releases web3.js v3 with new features, requiring code updates for developers.

Protocol Fundamentals
20 Oct 2026
Tokenpost
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Neutral
Solana releases web3.js v3 with new features, requiring code updates for developers.

Solana launched version 3 of its web3.js SDK on October 1, with a follow-up update v3.1.1 on October 19. This release introduces compatibility with Solana Kit, allowing developers to use familiar tools while integrating new transaction and data handling methods. However, the update requires developers to modify their existing code due to changes like asynchronous key generation, transaction signing, and new data types such as bigint and Uint8Array. The older SDK version remains in maintenance mode, so developers must adapt to the new version for ongoing support and features.

The Solana JavaScript SDK v3 update is the subject here, providing context from Pluang's market data. For readers following major cryptocurrencies, 21 out of 50 rose and 27 fell today. Notable moves include SXP (Solar) down 46.27% at Rp37, BAL (Balancer) up 11.14% at Rp16.297, and BAT (Basic Attention Token) up 11.06% at Rp3.504 with a near even buy-sell split; this data is as of Oct 20, 2026 12:11 WIB.

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