Moss

v0.99.0 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 1mo Editors & IDEs

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

ai compiler language-server programming-language self-hosted

Summary

AI summary

C VM now embeds selfhost modules, reducing separate executables.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	C VM now ships with Moss selfhost modules embedded. C VM now ships with Moss selfhost modules embedded. Source: llm_adapter@2026-06-11 Confidence: high	—
Feature	Low	Modules located in ./moss_modules/ relative to mossvm.exe. Modules located in ./moss_modules/ relative to mossvm.exe. Source: llm_adapter@2026-06-11 Confidence: high	—
Feature	Low	Two‑track distribution introduced: mossvm.exe (122 KB+62 KB), pip install mosslang, moss.exe (9.1 MB), Moss Studio.exe (9.1 MB). Two‑track distribution introduced: mossvm.exe (122 KB+62 KB), pip install mosslang, moss.exe (9.1 MB), Moss Studio.exe (9.1 MB). Source: llm_adapter@2026-06-11 Confidence: high	—
Feature	Low	Selfhost compiler components: lexer_core (7 functions), parser_core (35 functions), compiler_core (50 functions, 157 instructions). Selfhost compiler components: lexer_core (7 functions), parser_core (35 functions), compiler_core (50 functions, 157 instructions). Source: llm_adapter@2026-06-11 Confidence: high	—

Full changelog

Moss v0.99.0

C VM now ships with Moss selfhost modules embedded.

mossvm --modules

mossvm --modules
→ loaded lexer_core.mbc (7 functions)
→ loaded parser_core.mbc (35 functions)
→ loaded compiler_core.mbc (50 functions)
→ selfhost modules ready (50 functions registered)

Modules live in ./moss_modules/ relative to mossvm.exe.

Two-track distribution

| Track | Size | Usage |
|-------|------|-------|
| mossvm.exe | 122 KB + 62 KB | --source file.moss, --modules |
| pip install mosslang | — | from mosslang.cvm import compile_and_run |
| moss.exe | 9.1 MB | Full CLI (artifact, selfhost-compile, etc.) |
| Moss Studio.exe | 9.1 MB | Desktop IDE |

Selfhost compiler

| Component | Instructions | Functions |
|-----------|-------------|-----------|
| lexer_core | 1 | 7 |
| parser_core | 1 | 35 |
| compiler_core | 157 | 50 |

History

21 versions · 3 audits · 132 tests · 78 vectors · 18 vulns · all fixed

View diff on GitHub

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