According to Wu, the Solana improvement proposal SIMD-0268 has been accepted (the next step is to wait for community voting to decide whether to activate it), increasing the Cross-Program Invocation (CPI) nesting limit from 4 to 8. This proposal aims to enhance the complexity of dApp interoperability, allowing for more inter-program calls within a single transaction, thereby improving the overall composability of the network. Cross-Program Invocation (CPI) is the method for programs to call each other. Perpetual Futures (Perps) often require multiple program calls in position management, liquidation, and cross-margin operations. The old 4-level nesting limit restricted these interactions; raising it to 8 levels enables deeper single-transaction interactions and clearer composability.
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According to Wu, the Solana improvement proposal SIMD-0268 has been accepted (the next step is to wait for community voting to decide whether to activate it), increasing the Cross-Program Invocation (CPI) nesting limit from 4 to 8. This proposal aims to enhance the complexity of dApp interoperability, allowing for more inter-program calls within a single transaction, thereby improving the overall composability of the network. Cross-Program Invocation (CPI) is the method for programs to call each other. Perpetual Futures (Perps) often require multiple program calls in position management, liquidation, and cross-margin operations. The old 4-level nesting limit restricted these interactions; raising it to 8 levels enables deeper single-transaction interactions and clearer composability.