COOLJAPAN

COOLJAPAN Blog

The inside story of building the largest pure-Rust sovereignty stack

159 posts

release 159 pure-rust 144 scirs2 51 scientific-computing 22 rust 21 oxiarc 17 wasm 15 noffi 15 cuda 15 cooljapan 15 ai 15 numpy 14 formal-verification 14 compression 14 scipy 13 machine-learning 13
Mar 7, 2026 · 6 min

OxiBLAS 0.2.0 Released — Recursive Factorizations, Batched BLAS, and no_std

OxiBLAS 0.2.0 is a major step up: cache-oblivious recursive and parallel factorizations, batched BLAS, runtime auto-tuning, multifrontal sparse solvers, mixed-precision refinement, NUMA-aware allocation, and no_std support — with the Fortran FFI retired in favor of a fully pure Rust workspace.

releaseoxiblasblas
Mar 7, 2026 · 3 min

Availability of TensorLogic 0.1.0-rc.1 — Logic as Tensor Equations in Pure Rust

A minimal DSL + IR that compiles logical rules (predicates, quantifiers, implications) into optimized einsum graphs. Full neurosymbolic integration with differentiable fuzzy/probabilistic semantics — now available as 0.1.0-rc.1.

releasetensorlogicneurosymbolic
Mar 5, 2026 · 9 min

OxiLean 0.1.0 Released — A Pure Rust Interactive Theorem Prover, Native to Rust

OxiLean 0.1.0 is the debut of a memory-safe Interactive Theorem Prover written entirely in Rust, inspired by Lean 4 — a zero-dependency kernel implementing the full Calculus of Inductive Constructions, a complete tactic framework, and a WASM REPL that runs in the browser.

releaseoxileanformal-verification
Mar 5, 2026 · 8 min

SciRS2 0.3.0 Released — The Largest Feature Expansion Yet: Modern Deep Learning, Advanced Statistics, and Signal Processing in Pure Rust

SciRS2 is a pure-Rust SciPy/NumPy/scikit-learn replacement, and 0.3.0 is the biggest release yet — transformers, GNNs, diffusion, MoE/RLHF, Gaussian processes, MCMC, survival analysis, radar/compressed sensing, LOBPCG/AMG, plus new Julia and Python bindings. 19,644 tests, ~2.59M lines of Rust. No C, no Fortran.

releasescirs2scientific-computing
Feb 25, 2026 · 3 min

FOP 0.1.0 Released — High-Performance Pure Rust Reimplementation of Apache FOP

XSL-FO 1.1 to PDF (and SVG/text) pipeline in pure Rust. 10–1200x faster than Java FOP, zero JVM, full Knuth-Plass line breaking, 294 properties supported. Production-grade document generation is now memory-safe and sovereign.

releasefoppdf
Feb 25, 2026 · 3 min

RusMES 0.1.0 Released — Pure Rust Enterprise Mail Server with Apache JAMES Architecture

A complete distributed mail server in pure Rust. Full SMTP/IMAP/JMAP/POP3 support, Mailet-based processing pipeline (Apache JAMES port), AI integration via OxiFY, and AmateRS-backed storage. 10–50 MB memory footprint, no JVM, no GC pauses.

releaserusmesmail-server
Feb 24, 2026 · 3 min

OxiGAF 0.1.0 Released — Pure Rust Gaussian Avatar Reconstruction from Monocular Videos via Multi-View Diffusion

From a single monocular video → consistent 3D Gaussian avatar in pure Rust. Full differentiable Gaussian Splatting (wgpu) + Multi-View Diffusion (Candle) + FLAME binding. 796 passing tests, zero C/Fortran, production-ready digital twin reconstruction.

releaseoxigafgaussian-splatting
Feb 23, 2026 · 6 min

OxiGDAL 0.1.0 Released — A Pure Rust GDAL, Built for the Cloud-Native Era

The first public release of OxiGDAL: a 100% Pure Rust reimplementation of GDAL with zero C/C++/Fortran in default features. 11 format drivers (GeoTIFF/COG, GeoParquet, Zarr, NetCDF, HDF5, GRIB, JPEG2000, ...), a Pure Rust PROJ with 211+ EPSG definitions, SIMD raster/vector algorithms, cloud-native async I/O, and WASM + Python bindings — across 68 workspace crates.

releaseoxigdalgdal
Feb 23, 2026 · 2 min

ToRSh 0.1.0 Released — The Pure Rust PyTorch-Compatible Deep Learning Framework with Sharding

Drop-in PyTorch replacement in pure Rust. Full SciRS2 integration (18 crates), SIMD CPU backend, autograd, and native sharding support. 2—3× faster inference, 50% less memory, single-binary deployment — no Python, no CUDA required.

releasetorshpytorch
Feb 16, 2026 · 7 min

SciRS2 0.2.0 Released — Complete Workspace Restoration, Pure-Rust OxiFFT by Default, and the First WebAssembly Bindings

SciRS2 is the pure-Rust SciPy/NumPy replacement. 0.2.0 restores the entire workspace to zero compile errors, makes Pure Rust OxiFFT the default FFT backend (rustfft now optional), rebuilds the neural stack, and ships the first WebAssembly bindings. ~11,400 tests, zero warnings. No C. No Fortran.

releasescirs2scientific-computing
Feb 9, 2026 · 5 min

OxiArc 0.2.1 Released — ZIP Encryption, Async I/O, SIMD CRC, and Memory-Mapped I/O

OxiArc 0.2.1 brings security and scale: traditional ZipCrypto encryption for password-protected ZIPs, plus async I/O, SIMD-accelerated CRC, and memory-mapped I/O in the core. Also LZ4 dictionary support and LZHUF streaming. Pure Rust archive and compression — no C, no zlib, no libarchive.

releaseoxiarccompression
Feb 8, 2026 · 6 min

SciRS2 0.1.5 Released — A Consistency & Dependency-Hygiene Follow-up to 0.1.4

Pure-Rust SciPy/NumPy replacement. 0.1.5 is a polish release — workspace version alignment, strict scirs2-core import policy, correct GPU feature wiring, and a leaner dependency tree. OxiFFT stays the Pure Rust default. No C, no Fortran, no system dependencies.

releasescirs2scientific-computing
Feb 7, 2026 · 7 min

SciRS2 0.1.4 Released — SIMD Phase 60-69, Pure Rust OxiFFT by Default, and Autograd Optimizers That Actually Update

Pure-Rust SciPy/NumPy replacement. This release: SIMD phase 60-69 (8 new AVX2/NEON modules), modular Bowyer-Watson Delaunay (2D/3D/ND + constrained), OxiFFT now the 100% Pure Rust FFT default, and autograd optimizer fixes. 11,400+ tests, 27 crates. No C, no Fortran.

releasescirs2scientific-computing
Feb 6, 2026 · 5 min

OxiArc 0.2.0 Released — LZW Lands for TIFF and GIF, Now 10 Crates on crates.io

OxiArc 0.2.0 adds full LZW compression for TIFF and GIF — MSB/LSB bitstreams, variable bit widths — bringing the workspace to 10 pure-Rust crates. Now on crates.io, with a default test suite cut 76% faster (137s → 32s) and 427 passing tests. Pure Rust archive and compression with no C, no zlib, no libarchive.

releaseoxiarccompression
Feb 6, 2026 · 3 min

OxiZ 0.1.3 Released — Pure Rust SMT Solver Aiming to Replace Z3

A complete, high-performance Satisfiability Modulo Theories solver written entirely in Rust. Full CDCL(T) architecture, comprehensive theory support, proof generation, and Z3-level performance — with zero C/C++ dependencies and full memory safety.

releaseoxizsmt-solver
Jan 29, 2026 · 9 min

Legalis-RS 0.1.4 Released — One Engine, 23 Jurisdictions: Proof That Law Is Universal Computation

Pure-Rust legal statute engine. 0.1.4 adds 5 new jurisdictions (Korea, Mexico, Malaysia, Russia, Saudi Arabia) for 23 total, 6 production examples proving one generic engine handles Civil/Common/Supranational law, real-time self-healing verification on the OxiZ SMT solver, and auto-generated TypeScript/Python SDKs. 14,705 tests passing.

releaselegalislegal-tech
Jan 26, 2026 · 6 min

SciRS2 0.1.3 Released — Python Bindings Across the Stack, Plus PCHIP Extrapolation

SciRS2 0.1.3 expands Python (PyO3) bindings across autograd, datasets, graph, io, metrics, ndimage, neural, sparse, text, transform and vision; adds PCHIP linear extrapolation; better manylinux wheels and an Adam scalar fix. 100% Pure Rust on OxiBLAS + OxiFFT.

releasescirs2scientific-computing
Jan 23, 2026 · 4 min

QuantRS2 0.1.2 Released — Python Bindings Polished, Symbolic Math Goes Fully Pure Rust

A polish patch for QuantRS2, the pure-Rust quantum computing framework — Python-binding bugfixes, refreshed docs, dependency-compatibility bumps, and the removal of legacy C++ SymEngine tooling now that symbolic math is 100% Rust.

releasequantrs2quantum-computing
Jan 21, 2026 · 7 min

Legalis-RS 0.1.3 Released — 18 Jurisdictions, One Pure Rust Engine

Legalis-RS 0.1.3 doubles jurisdiction coverage from 8 to 18 — adding the UAE, Australia, Brazil, Canada, China, India, Indonesia, Laos, Thailand, Vietnam and South Africa — across 41 crates, 863,282 lines and 13,083 passing tests.

releaselegalislegal-tech
Jan 21, 2026 · 7 min

OxiRS 0.1.0 Released — A Rust-Native Apache Jena, First Stable Cut

OxiRS 0.1.0 is the first stable release of a Rust-native Semantic Web platform: complete SPARQL 1.1/1.2, a Fuseki-compatible HTTP server, GraphQL over RDF, SHACL validation, and industrial IoT bridges — a JVM-free alternative to Apache Jena + Fuseki.

releaseoxirsrust
Jan 21, 2026 · 7 min

OxiZ 0.1.2 Released — Python Bindings, a Native Math Stack, and SMT-COMP Tooling for the Pure Rust SMT Solver

OxiZ 0.1.2 adds PyO3 Python bindings (oxiz-py), a Pure-Rust BLAS + multi-precision (MPFR-style) math layer, an SMT-COMP benchmark suite, and a vastly expanded CLI (dashboard/server/distributed/TPTP/interpolation). A Pure Rust Z3 replacement with zero C/C++.

releaseoxizsmt-solver
Jan 21, 2026 · 7 min

QuantRS2 0.1.0 Released — Pure Rust Quantum Computing, From State Vectors to Real Hardware

QuantRS2 is a pure-Rust quantum computing framework — type-safe circuits, state-vector/stabilizer/tensor-network simulators, Grover/QFT/VQE/QAOA, and IBM/Azure/AWS/D-Wave hardware integration. This is the first stable release.

releasequantrs2quantum-computing
Jan 21, 2026 · 4 min

QuantRS2 0.1.1 Released — Clean Builds Across Every Feature Flag

The first patch for QuantRS2, the pure-Rust quantum computing framework. Fixes conditional compilation and feature gating for cloud backends (IBM, Azure, AWS) and photonic modules so the modular workspace builds cleanly with any feature set.

releasequantrs2quantum-computing
Jan 19, 2026 · 6 min

Kizzasi 0.1.0 Released — A Rust-Native Signal Predictor for the Continuous World

Kizzasi 0.1.0 is the first release of an Autoregressive General-Purpose Signal Predictor (AGSP) in Pure Rust — neuro-symbolic prediction for audio, sensors, robotics, and video that fuses State Space Models (Mamba/RWKV/S4) with TensorLogic constraints.

releasekizzasisignal-prediction