COOLJAPAN

COOLJAPAN Blog

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

219 posts

release 218 pure-rust 174 scirs2 71 rust 54 machine-learning 25 scientific-computing 23 wasm 21 simd 21 numpy 21 oxiarc 19 llm 16 noffi 15 formal-verification 15 cuda 15 cooljapan 15 ai 15
Mar 16, 2026 · 7 min

rs3gw 0.2.0 Released — Streaming PUT Backpressure, Graceful Shutdown, and the New rs3ctl CLI

rs3gw is a Pure Rust S3-compatible object-storage gateway. 0.2.0 brings streaming PUT with backpressure and incremental hashing, graceful shutdown with multipart GC, SigV4 rate limiting, gRPC range GET / parallel delete, and the new rs3ctl admin CLI.

releasers3gws3
Mar 14, 2026 · 3 min

OxiHuman 0.1.1 Released — Pure Rust Client-Side Parametric Human Body Generator

Privacy-first 3D human mesh synthesis in pure Rust. Runs entirely client-side (WASM + WebGPU or native). Parametric morphing, FACS expressions, biomechanics physics, 10+ export formats (glTF, VRM, USD, 3MF). 943,000+ LOC, 32,644 passing tests. No server ever sees your body data. The sovereign human modeling layer for SciRS2 and the entire COOLJAPAN ecosystem.

releaseoxihuman3d-human
Mar 13, 2026 · 3 min

Spintronics 0.3.0 Released — Pure Rust Simulator for Spin Dynamics and Topological Materials

Production-ready pure Rust library for spintronics simulations. LLG/LLB solvers, skyrmions, ISHE/SSE, spin pumping, altermagnets, hopfions and more. 52–100× faster than Python/NumPy, SIMD + memory pool allocator (99% reduction), Python bindings (PyO3), WASM support, HDF5/JSON/VTK export. Validated against Saitoh Group experiments. The sovereign spintronics layer for SciRS2.

releasespintronicsscirs2
Mar 11, 2026 · 5 min

OxiArc 0.2.3 Released — Async ZIP and DEFLATE Streaming Arrive, Plus a Dedicated GIF LZW Codec

OxiArc 0.2.3 brings non-blocking I/O to the compression layer: async ZIP, async DEFLATE, and a new GZip module for Tokio/async-std pipelines, alongside a dedicated GIF LZW codec with LSB bitstream support. Plus across-the-board codec refinements. Pure Rust archive and compression — no C, no zlib, no libarchive.

releaseoxiarccompression
Mar 11, 2026 · 2 min

Today: Three Major Releases — OxiHuman 0.1.0, OxiGDAL 0.1.1 & OxiRS 0.2.1

Pure Rust sovereignty just leveled up again. Privacy-first human bodies, full GDAL replacement, and production Semantic Web + AI reasoning — all dropped today.

releaseoxihumanoxigdal
Mar 10, 2026 · 7 min

OxiArc 0.2.2 Released — A From-Scratch Zstandard Encoder Lands, and OxiArc Can Finally WRITE Zstd

OxiArc 0.2.2 ships a complete Zstandard encoder built from scratch — FSE, canonical Huffman, and an LZ77 match finder with 22 levels — so the workspace now writes real .zst, not just reads it. Plus an n-gram Zstd dictionary trainer, LZ4 dictionary frames, and richer ZIP64 with AES-256 and ZipCrypto. Pure Rust archive and compression, no C, no zlib, no libzstd.

releaseoxiarccompression
Mar 10, 2026 · 2 min

OxiGrid 0.1.0 Released — Pure Rust Electrical Power Systems Simulation & Optimisation

Production-grade AC/DC power flow, transient & small-signal stability, battery modelling, renewable integration, optimal power flow, harmonic analysis, and protection systems — all in pure Rust. No C, no Fortran.

releaseoxigridpower-systems
Mar 10, 2026 · 7 min

OxiMedia 0.1.1 Released — FFmpeg CLI Compatibility and an OpenCV cv2 API in Pure Rust

OxiMedia 0.1.1 is a pure-Rust FFmpeg + OpenCV replacement. This release adds a drop-in FFmpeg CLI compatibility layer (oximedia-ff), an OpenCV cv2 Python API, a complete MP4 demuxer and end-to-end transcode pipeline, a plugin system, and FFV1/JPEG-XL/DNG/Y4M support — 97 crates and ~1.49M SLoC of pure Rust.

releaseoximediaffmpeg
Mar 10, 2026 · 8 min

PandRS 0.2.0 Released — Production-Ready Enterprise DataFrames with ReBAC, Zero-Vuln Defaults, and SciRS2 Integration

A major milestone for the pure Rust DataFrame library — PandRS 0.2.0 delivers all planned v1.0.0 features. Google Zanzibar-style ReBAC authorization, 6,984 unwrap() calls eliminated, a zero-vulnerability default build, optional SQL backends, new SciRS2 0.3.1 stats/linalg integration, 300+ pages of docs, and 24-month LTS. 3-9x faster than pandas with up to 89% less memory.

releasepandrsdataframe
Mar 9, 2026 · 2 min

OxiCtl 0.1.0 Released — Pure Rust Real-Time Control Systems Framework

no_std-compatible. Zero heap allocation. Full industrial protocols (Modbus, CANopen, EtherCAT). The complete sovereign control systems stack for robotics and industrial automation — all in pure Rust.

releaseoxictlcontrol-systems
Mar 9, 2026 · 2 min

OxiLean 0.1.1 Released — A Memory-Safe Interactive Theorem Prover Natively in Rust

Pure Rust reimplementation of Lean 4’s Calculus of Inductive Constructions. 99.7% Mathlib4 compatibility, zero unsafe in kernel, full tactics + metaprogramming — bringing industrial-grade formal verification directly into the Rust ecosystem.

releaseoxileanformal-verification
Mar 9, 2026 · 2 min

OxiPhoton 0.1.0 Released — Pure Rust Photonics Simulation & Optical Device Design

FDTD (2D/3D), Transfer Matrix Method, RCWA, mode solvers, silicon photonics devices, fiber optics, quantum photonics, and type-safe optical units — all in pure Rust. No C, no Fortran.

releaseoxiphotonphotonics
Mar 9, 2026 · 2 min

SciRS2 0.3.1 Released — The Full Pure-Rust Scientific Computing & AI Stack

2.59M SLoC. 29 crates. 19,700+ tests. 10–100x faster than NumPy/SciPy. The complete sovereign scientific computing platform is here — no C, no Fortran, no Python.

releasescirs2scientific-computing
Mar 8, 2026 · 2 min

OxiMedia 0.1.0 Released — The Sovereign Media Framework in Pure Rust

Patent-free. Memory-safe. Zero C/FFI. The complete multimedia stack (FFmpeg + OpenCV replacement) is finally here — all written in pure Rust.

releaseoximediamultimedia
Mar 8, 2026 · 6 min

OxiRS 0.2.0 Released — ~10x Faster SPARQL, Full-Text Search, and 1000-Node Clusters

OxiRS 0.2.0 lands a ~10x cumulative SPARQL speedup, Tantivy full-text search, 3D GeoSPARQL, 1000+ node clustering, and hardened AI — 26 new modules across 15 rounds, 39,468 tests passing across all 26 crates. A JVM-free Apache Jena.

releaseoxirsrust
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 6, 2026 · 8 min

NumRS2 0.3.0 Released — Periodic Splines in O(n), Compressed Pure-Rust .npz, and the SciRS2 0.3.0 Lift

NumRS2 0.3.0 replaces the O(n²) cyclic spline solve with a Sherman-Morrison O(n) cyclic Thomas algorithm, enables DEFLATE compression for .npz via OxiARC (no zlib, no C), and lifts the entire scirs2-* stack to v0.3.0 — faster KD-trees, SIMD, and special functions.

releasenumrs2numpy
Mar 6, 2026 · 8 min

TenRSo 0.1.0-rc.1 Released — A Rust-Native Tensor Stack: Generalized Contraction, Decompositions, and Out-of-Core, the Last Step Before Stable

TenRSo is a production-grade, Rust-native tensor computing stack — generalized contraction plus a cost-based planner, sparse/low-rank mixed execution, CP/Tucker/TT decompositions, and out-of-core processing. This release candidate adds masked einsum, executor element-wise ops, TT-SVD gradients, and CP regularization as we approach our first stable cut.

releasetenrsotensor
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