SIMD-0459: Syscall Parameter Address Restrictions

SIMD-0459 (Syscall Parameter Address Restrictions) is a Core Standard Solana Improvement Document by Alexander Meißner (Anza); proposal status Activated.

Active on mainnet-beta since epoch 995; active on testnet since epoch 956; active on devnet since epoch 1070.

Feature gates

• Feature gate: SIMD-0459: Syscall Parameter Address Restrictions

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