diff --git a/.changeset/tsconfig-test-d.md b/.changeset/tsconfig-test-d.md
deleted file mode 100644
index cf41f1a..0000000
--- a/.changeset/tsconfig-test-d.md
+++ /dev/null
@@ -1,31 +0,0 @@
----
-"@btravstack/tsconfig": minor
----
-
-`test-d.json`: the preset for a type-level test project.
-
-Type-level tests assert with bindings nothing reads — `type _x = Expect<Equal<A, B>>`
-— so `noUnusedLocals` and `noUnusedParameters` must be off for that project and
-on everywhere else. Every workspace with a `tsconfig.test-d.json` was writing
-those two flags out by hand, along with the reason, or more often without it.
-
-```json
-{
-  "extends": ["./tsconfig.json", "@btravstack/tsconfig/test-d.json"],
-  "include": ["src/**/*.test-d.ts"]
-}
-```
-
-The preset comes **last** in the array so its relaxations win over the strict
-config beneath.
-
-It carries no `include`, and cannot: TypeScript resolves a base config's
-`include` / `exclude` / `files` relative to the **base file's** own directory,
-so a shipped glob would point inside `node_modules` and match nothing. Measured
-— an `include` of `src/**/*.test-d.ts` in a base one directory up resolves to
-`../base/src/**/*.test-d.ts` and reports `TS18003`. `scripts/validate.mjs` holds the shape as an
-**allow-list** — `$schema` plus exactly those two `compilerOptions` — rather
-than forbidding the four keys a reader would reach for. The preset is layered
-last in a consumer's `extends` array, so anything it grows silently overrides
-the workspace's own config, and only naming what may appear catches a key
-nobody thought to forbid.
diff --git a/packages/tsconfig/CHANGELOG.md b/packages/tsconfig/CHANGELOG.md
index c181b47..fb47aa3 100644
--- a/packages/tsconfig/CHANGELOG.md
+++ b/packages/tsconfig/CHANGELOG.md
@@ -1,5 +1,37 @@
 # @btravstack/tsconfig
 
+## 0.4.0
+
+### Minor Changes
+
+- 7dc497d: `test-d.json`: the preset for a type-level test project.
+
+  Type-level tests assert with bindings nothing reads — `type _x = Expect<Equal<A, B>>`
+  — so `noUnusedLocals` and `noUnusedParameters` must be off for that project and
+  on everywhere else. Every workspace with a `tsconfig.test-d.json` was writing
+  those two flags out by hand, along with the reason, or more often without it.
+
+  ```json
+  {
+    "extends": ["./tsconfig.json", "@btravstack/tsconfig/test-d.json"],
+    "include": ["src/**/*.test-d.ts"]
+  }
+  ```
+
+  The preset comes **last** in the array so its relaxations win over the strict
+  config beneath.
+
+  It carries no `include`, and cannot: TypeScript resolves a base config's
+  `include` / `exclude` / `files` relative to the **base file's** own directory,
+  so a shipped glob would point inside `node_modules` and match nothing. Measured
+  — an `include` of `src/**/*.test-d.ts` in a base one directory up resolves to
+  `../base/src/**/*.test-d.ts` and reports `TS18003`. `scripts/validate.mjs` holds the shape as an
+  **allow-list** — `$schema` plus exactly those two `compilerOptions` — rather
+  than forbidding the four keys a reader would reach for. The preset is layered
+  last in a consumer's `extends` array, so anything it grows silently overrides
+  the workspace's own config, and only naming what may appear catches a key
+  nobody thought to forbid.
+
 ## 0.3.0
 
 ### Minor Changes
diff --git a/packages/tsconfig/package.json b/packages/tsconfig/package.json
index d7f6418..462b4bd 100644
--- a/packages/tsconfig/package.json
+++ b/packages/tsconfig/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@btravstack/tsconfig",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Shared strict TypeScript configuration for btravstack packages",
   "keywords": [
     "config",