BioLang v0.1.0 — First public release

BioLang v0.1.0 — First public release

A stream-oriented programming language in C: interpreter + source-embedding
compiler. Every operation is a request that may be refused (res / cause);
programs are built from composable streams (Unistream, Comstream, Remstream,
Objstream, Threadstream, Timestream, IOStream, ...). MIT licensed.

Downloads

Prebuilt release trees for 7 platforms (launcher + shared runtime in lib/):

Package	Contents	Run
BioLang-v0.1.0-linux-x86_64.tar.gz	bin/bio + lib/libbio.so	./bin/bio
BioLang-v0.1.0-linux-arm64.tar.gz	bin/bio + lib/libbio.so	./bin/bio
BioLang-v0.1.0-macos-x86_64.tar.gz	bin/bio + lib/libbio.dylib	./bin/bio
BioLang-v0.1.0-macos-arm64.tar.gz	bin/bio + lib/libbio.dylib	./bin/bio
BioLang-v0.1.0-win64.zip	bin/bio.exe + lib/bio.dll	bin/bio.bat
BioLang-v0.1.0-win32.zip	bin/bio.exe + lib/bio.dll	bin/bio.bat
BioLang-v0.1.0-win-arm64.zip	bin/bio.exe + lib/bio.dll	bin/bio.bat

Source tarballs (auto-generated) — build with make or make PROFILE=release.

Highlights

• Interpreter & compiler: run .bio sources directly (bio file.bio), or
  compile to a self-contained native executable with bio shell build (default
  output bin/<name>; the runtime libbio.a is linked in — no bio needed at
  runtime).
• Stream model: signature streams, forked implementations, classes-as-streams.
• Typed smart references: 28 reference types (7 permission stacks r/w/m/rw/rm/wm/rwm
  × 4 follows u/f/a/t). Read with get p, write with p = v, move the pointer
  with p++ (m permission, like C's a++); ref/cause prefix unwrapping.
• need assumption system: on-demand provider bundling from src/ + utils/
  • dependencies; project manifests (package.toml) with git/HTTP/local
    dependency fetching.
• Package formats: bio can pack/unpack .img and .zip archives
  (src/pack.c).
• Memory: dynamic block-based arena (no fixed 8 MiB ceiling), configurable
  limit via -m / BIO_MEM_LIMIT (default 256 MiB in interpreted mode, no
  limit in compiled products unless set).
• Rich IO: CIO / FIO / SIO byte & text streams (per-stream file handles),
  computation streams, timers; @onlyread / @unfork stream annotations.
• Cross-platform: cooperative threads via ucontext (POSIX) with a Win32
  fiber backend; dlopen shim (bio_dlsym); make bin cross-compiles all 7
  platform trees with zig.
• 14 runnable teaching examples (examples/) + a complete sample project.
• VSCode extension: syntax highlighting, snippets, completions, run/compile
  commands (vscode/biolang-vscode/).

Platform status

• Linux x86-64 / aarch64 — fully supported
• macOS — works (ucontext deprecation warnings on Intel; Apple Silicon
  ucontext is known-buggy, use the release binary)
• Windows — experimental (new fiber backend; built and packaged, community
  testing welcome)

Known limitations

• Threadstream / Areastream not yet declarable as explicit stream types.
• Compiler embeds source + links the interpreter runtime; true AST→machine-code
  compilation is future work.

MIT © 2026 BioLang contributors