Zama published new releases of its open-source fhevm repository on 2026-10-02: v0.15.0-0, v0.14.2 and the v0.14.2-1 follow-up on the 0.14.x line. v0.15.0-0 adds ConfidentialBridge deploy and prepareUpgrade tasks for existing chains, a prepare-coprocessor-upgrade script and workflow, and re-randomisation of input ciphertexts before expand. It also removes pending abort methods and adds destroyKmsEpoch, validates KMS context in isValidEpochForContext, and ensures TLS support in coprocessor services. The 0.14.2 maintenance release moves Gateway transport to HTTP, bumps rustls for RUSTSEC-2026-0285, adds BNB to chainIds, and adds decryption signature invalidation to IACL. v0.14.2-1 is a smaller patch containing four of those fixes, including the IACL signature invalidation, the kms-gen-keys CLI support, and finalization lookup indexing of pending blocks.
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