diff --git a/README.md b/README.md
index 6751ce70..cbe7f170 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,14 @@ intermediate representation (`ToolpathIR`), and render an interactive Three.js (
 Canvas 2D) preview — with first-class **Vue, React, and Svelte** integrations that are thin adapters
 over one shared, framework-neutral engine.
 
-> **Status: published.** Thirteen `@chestnutlabs/*` packages are on npm (latest **`v0.3.0`**,
+> **Status: published.** Thirteen `@chestnutlabs/*` packages are on npm (latest **`v0.4.0`**,
 > lockstep-versioned with npm provenance). E0–E11 of the
-> [master plan](docs/00_PROJECT_MASTER_PLAN.md) are closed; `v0.3.0` adds the low-resource Canvas 2D
-> renderer, expanded color modes, wipe/seam visibility, time-based scrub, and binary G-code
-> (`.bgcode`) decode. Install from npm — see *Quick start* below.
+> [master plan](docs/00_PROJECT_MASTER_PLAN.md) are closed; **`v0.4.0` adds non-extrusion toolpaths —
+> CNC / laser / plotter**: `MoveKind.Cut` classification, an opt-in modal `toolPower` (laser power /
+> spindle RPM) channel, canned drilling-cycle expansion (`G81`/`G82`/`G83`), evidence-based controller
+> recognition (GRBL laser/mill, LinuxCNC) with **validation tiers** (GRBL-laser hardware-validated),
+> power / cut-vs-rapid color modes, and toolpath STL export — all honesty-tiered, with FDM output
+> byte-identical. Install from npm — see *Quick start* below.
 
 ![3DBenchy rendered as tubes with feature coloring in the showcase viewer](docs/media/viewer-benchy-tubes.png)
 
@@ -37,10 +40,11 @@ over one shared, framework-neutral engine.
 - **Rich toolpath coloring** — by feature type, move speed, object, per-layer height, or (for
   non-extrusion) tool power and cut-vs-rapid, plus toggleable wipe/seam moves; time-based scrub with a
   print-time estimate; and a source-line ↔ segment debugger mapping.
-- **Non-extrusion toolpaths — CNC / laser / plotter** *(experimental)* — cut/burn/draw moves classified
+- **Non-extrusion toolpaths — CNC / laser / plotter** *(honesty-tiered)* — cut/burn/draw moves classified
   as `Cut`, a modal `toolPower` (laser power / spindle RPM) channel, canned drilling-cycle expansion
-  (`G81`/`G82`/`G83`), and controller recognition (GRBL laser/mill, LinuxCNC) — all honesty-**tiered**:
-  reported `inferred` until confirmed on real hardware, never fabricated.
+  (`G81`/`G82`/`G83`), and evidence-based controller recognition (GRBL laser/mill, LinuxCNC) — each
+  carrying a **validation tier**: reported `inferred` until confirmed on real hardware, then `known`.
+  **GRBL-laser is hardware-validated**; GRBL-mill and LinuxCNC remain experimental. Never fabricated.
 - **Honest live progress** (for printer telemetry) — a normalized `ProgressObservation` contract
   mapped onto the toolpath with tiered confidence: a precise cut + marker when the source position
   is known, an uncertainty band when it is approximated, stale-signal handling, and user scrub
diff --git a/docs/README.md b/docs/README.md
index ccd938d2..a4c08bf4 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -39,7 +39,7 @@ See also [`../PROJECT_SETUP.md`](../PROJECT_SETUP.md) for the local environment
 Provenance of inherited vs. Chestnut code, the exact founding baseline, and the branch mapping are
 tracked in [`UPSTREAM_PROVENANCE.md`](UPSTREAM_PROVENANCE.md).
 
-## Current state (updated 2026-07-29 — v0.3.0 shipped to npm; v0.4.0 in prep; #188 bgcode closed; #189 CNC/laser phases 1–5 built + real-file lexer/detection; #152 STL export done)
+## Current state (updated 2026-07-29 — **v0.4.0 shipped to npm** (13 lockstep pkgs); #188 bgcode closed; #189 CNC/laser phases 1–5 + real-file lexer/detection, G0-rapid fix, GRBL-laser hardware-validated, #152 STL export done; DD-017 RS274NGC parametric programs proposed)
 
 | Epic | Status | Gate |
 |---|---|---|
@@ -65,7 +65,7 @@ Shipped so far: `packages/toolpath-core` (SoA `ToolpathIR`, capability model), `
 `packages/gcode-renderer-three` (geometry builders + scene/lifecycle), the IR adapter (`src/ir-adapter.ts`),
 golden/native fixtures + manifest with CI validation, boundary lint, license CI gate, and Vite/Electron
 consumer smoke harnesses, plus the five framework adapters (`gcode-preview-core`/`-vue`/`-react`/
-`-svelte`/`-element`). CI (`build`) is a required check on `main`/`dev`. **All ten `@chestnutlabs/*`
-packages are published to npm at `v0.2.0`** (lockstep, npm provenance); `main` is the release branch,
-publishing from tagged GitHub Releases (`v0.1.0` E7/DD-008, `v0.2.0` E9/DD-009). An E10-phase-1
-changeset accumulates on `dev` for the next release (`0.3.0`).
+`-svelte`/`-element`). CI (`build`) is a required check on `main`/`dev`. **All thirteen `@chestnutlabs/*`
+packages are published to npm at `v0.4.0`** (lockstep, npm provenance); `main` is the release branch,
+publishing from tagged GitHub Releases (`v0.1.0` E7/DD-008, `v0.2.0` E9/DD-009, `v0.3.0` E8/#188,
+`v0.4.0` #189 non-extrusion). Changesets accumulate on `dev` for the next release.