poulpyFully homomorphic encryption
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Releases & roadmap

Where Poulpy is,
and where it is going.

Every published release, newest first. Each line links to its notes on GitHub.

All release notes on GitHub ↗

Roadmap

Still being written.

Work in progress

The roadmap is not published yet. Until it is, planning happens in the open: issues and milestones on GitHub, and the biweekly office hours, where the next few weeks of work are usually the first item.

Issues and milestones ↗Office hours · Friday 2 October at 16:30 CEST →Agenda ↗

History

Every release

The current release is 0.8.3, published 9 Sept 2026. Guides and downloadable examples pin their own source snapshot — see the version policy.

  1. 0.8.3Multithreaded CPU backendsRayon execution kernels across every backend, and parallel CKKS bootstrapping.
  2. 0.8.2Bootstrapping precision fixFixes mod-up and cleans up the poulpy-bin-fhe dependencies.
  3. 0.8.1Release workflowAdds the release workflow and updates the Cargo dependency versions.
  4. 0.8.0PACO and SHIP bootstrappingRefactors the limb-width model around an explicit word type, and adds a view API.
  5. 0.7.0CKKS bootstrapping and NEONCompletes the leveled-CKKS stack, adds an AArch64 backend, speeds up kernels.
  6. 0.6.0Backend-native HAL, AVX-512Backend-owned buffers and scratch arenas, plus a backend-generic CKKS evaluator.
  7. 0.5.0Unified benchmarksConsolidates every benchmark suite into poulpy-bench, with configurable runs.
  8. 0.4.4NTT120 backendA Q120 NTT over a CRT of four ~30-bit primes, in scalar and AVX2 form.
  9. 0.4.3Bug fixesCloses two reported issues.
  10. 0.4.2Convolution and tensoringAdds the Convolution trait, GLWE tensoring and plaintext multiplication.
  11. 0.4.1AVX behind a feature flagMakes poulpy-cpu-ref the default; AVX now needs an explicit feature flag.
  12. 0.4.0Cross-base2k operationsOne crate per backend, replacing poulpy-backend and the spqlios backend.
  13. 0.3.2GGSW blind rotationsAdds GLWE and GGSW blind rotations, and refactors the tensoring keys.
  14. 0.3.1Bivariate convolutionAdds bivariate convolution (X, Y) / (X^N + 1) with Y = 2^-K.
  15. 0.3.0Trait-based functionalityFunctionality traits replace the low-level HAL imports; adds BDD arithmetic.
  16. 0.2.1Bug fixes and macOS buildsCloses four reported issues and fixes compilation on macOS.
  17. 0.2.0Rust reference and AVXPure Rust reference and AVX backends, with cross-backend test and bench suites.
  18. 0.1.0First releaseThe first published version of the library.