This release adds 3 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
Summary
AI summaryUpdates Selfhost Compiler, Package, and compiler_core.moss across a mixed release.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Adds `mosslang.cvm` module with compile_and_run and trust_artifact_cvm APIs Adds `mosslang.cvm` module with compile_and_run and trust_artifact_cvm APIs Source: llm_adapter@2026-06-11 Confidence: high |
— |
| Feature | Medium |
Introduces two-track distribution: pip‑installable Python library and standalone mossvm.exe executable Introduces two-track distribution: pip‑installable Python library and standalone mossvm.exe executable Source: llm_adapter@2026-06-11 Confidence: high |
— |
| Feature | Medium |
Selfhost compiler now tracks 96 total instructions (44 module, 27 ship, 25 test) with real instruction compilation for function bodies Selfhost compiler now tracks 96 total instructions (44 module, 27 ship, 25 test) with real instruction compilation for function bodies Source: llm_adapter@2026-06-11 Confidence: high |
— |
| Feature | Medium |
C VM gains 35 opcodes, adding OP_AND, OP_OR, and OP_MOD instructions C VM gains 35 opcodes, adding OP_AND, OP_OR, and OP_MOD instructions Source: llm_adapter@2026-06-11 Confidence: high |
— |
Full changelog
Moss v0.90.0
Python C VM bridge + compiler tracks 96 instructions.
New: mosslang.cvm
from mosslang.cvm import compile_and_run, trust_artifact_cvm
# Compile with Python, execute with C VM
output, code = compile_and_run("examples/order.moss")
# Trust Artifact with C VM golden gate
ta = trust_artifact_cvm("examples/order.moss")
Selfhost Compiler (compiler_core.moss)
- 96 total instructions (44 module + 27 fn ship + 25 fn test)
- Function bodies now compiled with real instructions
- C VM: 35 opcodes, OP_AND/OR/MOD added
Two-track distribution
| Track | Format | Use |
|-------|--------|-----|
| Python library | pip install mosslang | AI tools, Studio, LSP |
| Standalone | mossvm.exe (122KB) | Zero-dependency execution |
Package
- Moss Studio.exe, moss.exe, moss-lsp.exe, mossvm.exe
- Download, unzip, run. No Python needed.
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