There isn’t a date for Fusaka upgrade. Depending on development/testing/audits it will hopefully be Q4 this year.
Follow All Core Devs calls for more details: All Core Devs (ACD)
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Final 
Happy to share that the Fusaka upgrade has been successfully completed! The secp256r1 verifier precompile is now officially live at address 0x100 on Ethereum Mainnet with EIP-7951, following its adoption by major rollups.
Huge congratulations and thank you to all contributors and supporters.
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Strongly in support of this. The friction of seed phrase management remains the single biggest barrier to mainstream adoption. By enabling a precompile for secp256r1, we unlock the full potential of EIP-4337 (Account Abstraction) by making hardware enclave signatures (like FaceID/TouchID) gas-efficient enough for daily use.
If we want Smart Accounts to compete with standard Web2 authentication UX, native verification of P-256 curves isn’t just a nice-to-have, it’s a requirement to avoid the prohibitive gas costs of verifying these signatures in Solidity.