Release v1.4.2

• Fixes a bug introduced by PR #1007 that affected large-depth scenarios for the HPSPOVERLEVELED mode of BFV (#1066)

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.4.2%22

Release v1.4.1

• Changes convert to ConvertRLWEToCKKS and ConvertCKKSToRLWE + other small API updates for functional CKKS bootstrapping (#1047)
• Removes the need for setting LD_LIBRARY_PATH when installing the library at a different location for user projects (#1050)
• Adds a new API for EvalFastRotation that does not requre specifying the cyclotomic order (#1051)
• Fixes several bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.4.1%22

Release v1.4.0

• Adds general functional bootstrapping using CKKS proposed in https://eprint.iacr.org/2024/1623 (#954)
• Enables the sparse-secret encapsulation mode from https://eprint.iacr.org/2022/024 for regular and functional CKKS bootstrapping (#1001)
• Adds optimized implementation (without checks) for selected homomorphic addition and multiplication operations (#991)
• Updates google submodules (#1036)
• Fixes several bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.4.0%22

Release v1.3.1

• API change: Previously, const plaintexts were silently modified; the const qualifier now has to be removed in these cases; see #1046 for more details (#970)
• Updates the noise estimation models for BGV and BFV, making them slightly more conservative (roughly 1 extra bit is added for each multiplicative level) (#1004)
• Removes extra rotation indices in CKKS bootstrapping (#998)
• Fixes a bug with CKKS bootstrapping for N=2^17 (#996)
• Improves exception handling
• Fixes several other bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.3.1%22

Release v1.3.0

• Adds the composite scaling modes to CKKS based on https://eprint.iacr.org/2023/1462 (see https://github.com/openfheorg/openfhe-development/blob/main/src/pke/examples/COMPOSITE_SCALING.md for more details)
• Adds two-party interactive CKKS bootstrapping from https://eprint.iacr.org/2023/1203 (see https://github.com/openfheorg/openfhe-development/blob/main/src/pke/examples/INTERACTIVE_BOOTSTRAPPING.md for more details)
• Enables the complex-number arithmetic in CKKS (#964)
• Makes OpenFHE compatible with Emscripten 3.x and 4.x (see https://github.com/openfheorg/openfhe-wasm for more details)
• Adds a cleartext version of EvalChebyshevFunction (#959)
• Optimizes the hybrid key switching (#237)
• Fixes several bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.3.0%22

Release v1.2.4

• Improves the support for STL threads (when OMP is disabled)
• Fixes the bugs identified in CVE-2024-56430

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.4%22

Release v1.2.3

• Adds support for a custom PRNG implemented in an external library

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.3%22

Release v1.2.2

• Improves the runtime of inverse NTT (for clang++; #872)
• Extends the support of extended (RLWE) parameters in DM/CGGI (#867)
• Includes several bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.2%22

Release v1.2.1

• Fixes compilation issues with g++ 14 and clang++ 18 (#822, #835)
• Fixes the parameter estimation bug for HRA-secure PRE when ring dimension is not set by the user (#827)
• Includes several other bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.1%22

Release v1.2.0

• Updates the lattice parameters tables to support the ring dimension of $2^{16}$ and $2^{17}$ for ternary and Gaussian secrets (#806)
• Adds application specifications validator for BGV, BFV, and CKKS (#710)
• Updates the parameter sets for CGGI/DM/LMKCDEY; adds low-probability-of-failure parameter sets (below $2^{-120}$) (#673)
• Adds several optimizations for BFV, including support for modulus switching during computation (#682, #715, #731)
• Fixes parameter estimation bugs for BGV, BFV, and CKKS (insecure configurations were possible for scenarios with hybrid key switching) (#785, #786)
• Includes several fixes related to handling the map of automorphism keys for various EvalSum*KeyGen operations (#756, #773, #783, #797)
• Adds support for selective serialization/deserialization of automorphism/rotation keys (#775)
• Updates the HRA-Secure BGV PRE implementation based on https://eprint.iacr.org/2024/681 (#767)
• Includes many other bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.0%22