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Solana launches v3 of JavaScript SDK to streamline app development with smaller bundles and async updates

Protocol Fundamentals
19 Oct 2026
Crypto Briefing
View Source
Bullish
Solana launches v3 of JavaScript SDK to streamline app development with smaller bundles and async updates

Solana released version 3 of its JavaScript SDK, @solana/web3.js, rebuilding legacy classes on the newer Solana Kit to reduce bundle sizes and simplify dependencies. This update introduces breaking changes such as asynchronous methods, use of bigint for numeric values, and Uint8Array for account data, requiring developers to adapt their code. The SDK now supports Node.js 20.18+, modern browsers, and React Native, with a new wallet adapter package included. Version 3 will become the default around October 19, 2026, marking a shift from the legacy version 1 and impacting many Solana apps due to the SDK's widespread use.

Solana (SOL) trades at Rp1.885.152 on Pluang as of Oct 20, 2026 04:51 WIB, showing a positive 1-day change of 3.59%. This price level is supported by a market cap of Rp1.111,29 trillion and a 24-hour trading volume of Rp46,6 trillion, indicating active investor interest. Despite a slightly higher sell order activity at 53%, the typical hold time of 71 days suggests steady confidence among Pluang users.

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