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

Release v1.1.4

• Fixes a bug affecting the Google C++ Transpiler code generation (#701)
• Adds serialization backwards compatibility down to 1.0.4 for the JSON encoding (#571)
• Shows more information when an exception is thrown (#702)

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.4%22

Release v1.1.3

• One internal map is now used for all rotation keys, which reduces memory footprint and key generation time for BGV-like schemes (#546)
• New mechanism for OpenFHE exceptions is added; the old one is still available, but will be removed in a later major release (#668)
• Low-level optimizations for polynomial arithmetic (minor efficiency improvements for BGV-like schemes)
• Scheme switching code improvements; note that the API for scheme switching has changed! (#631)
• Improves runtime for systems with a large number of threads/cores (#617)
• Fast rotations are now fully operations in BFV (#569)
• Includes fixes for 18 bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.3%22

Release v1.1.2

• Improves the performance of secret-key encryption and key generation for all schemes (#598)
• Improves the efficiency of X(N)OR gates for FHEW/TFHE (#578)
• Adds an article explaining how to configure OpenFHE for best performance (#549)
• Includes 18 bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.2%22

Pre-release v1.1.1

• Fixes the CMake files (binfhe module is now a dependency for the pke module) [#525, #538]
• Fixes a bug in EvalChebyshevFunction (#530)
• Adds documentation for threshold FHE (#457)
• Includes several other bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+milestone%3A%22Release+1.1.1%22

Pre-release v1.1.0

• Adds scheme switching between CKKS and FHEW/TFHE
• Adds comparison and (arg)min evaluation in CKKS via scheme switching to FHEW/FHEW
• Implements a new FHEW/TFHE bootstrapping method proposed in https://eprint.iacr.org/2022/198 (EUROCRYPT'23)
• Adds support for multi-input Boolean gates
• Adds a parameter selection tool for FHEW/TFHE based on the lattice estimator (see https://github.com/openfheorg/openfhe-lattice-estimator)
• Implements interactive CKKS bootstrapping based on threshold FHE
• Includes many optimizations for all FHE schemes, e.g., FHEW/TFHE bootstrapping is now 2x faster (takes 26 ms on a commodity laptop)
• Improves the Hardware Abstraction Layer
• Many bug fixes and documentation changes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+milestone%3A%22Release+1.1.0%22

Release v1.0.4

• Optimizes hybrid key switching (#377)
• Several bugfixes for BFV (#422, #432)
• Several bugfixes for CKKS (#424, #436)
• Adds security work factors for the ring dimension of 64K (#439)
• Fixes examples for FHEW/TFHE (#335, #357)
• Adds support for gcc/g++ 13 (#430)
• Other bugfixes and small documentation changes

The detailed list of PRs is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+milestone%3A%22Release+1.0.4%22+is%3Aclosed