diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7fcf9d..4465abd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,21 @@
 # Changelog
 
+## 0.1.1
+
+First public npm release.
+
+- Publishes six verified ESM entry points with declarations and provenance.
+- Ships the all-green 294/294 compatibility catalog against
+  `@tanstack/db@0.6.16`.
+- Adds columnar incremental live queries, spatial indexing, GeoArrow IPC,
+  persistence, cross-tab sync, and React bindings.
+- Adds the hosted City Ops playground and correctness-gated benchmark suite.
+- Hardens release automation, package contents, contribution guidance, and
+  private vulnerability reporting.
+
 ## 0.1.0
 
-Initial managed release for the @tanstack/db parity milestone.
+GitHub-only managed release for the @tanstack/db parity milestone.
 
 - Ships the all-green 294/294 export compatibility catalog against
   `@tanstack/db@0.6.16`.
diff --git a/README.md b/README.md
index 3000c21..67194e0 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ buffers. It keeps the TanStack DB mental model—collections, transactions,
 live queries, persistence, and React hooks—while adding vectorized filters,
 spatial indexes, Arrow IPC, snapshots, and cross-tab sync.
 
-**v0.1.0 release candidate:** the compatibility catalog is 294/294 green
+**v0.1.1:** the compatibility catalog is 294/294 green
 against `@tanstack/db@0.6.16`. Exact public-export and operator-manifest tests
 guard that surface. Pre-1.0 means the API can still evolve between minor
 versions; documented tolerances cover fixed capacity, safe-integer key
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 8e27fe5..adece2f 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,6 +1,6 @@
 # Release notes — @tanstack/db parity
 
-Version: **v0.1.0**
+Version: **v0.1.1**
 
 Compatibility: 294/294 exports ✅
 
@@ -13,13 +13,15 @@ now show side-by-side replacements for common TanStack DB usage.
 
 ## Highlights
 
-- `README.md` now states the release positioning and links the parity docs.
-- `MIGRATING.md` covers local-only collections, transactions, query builders,
-  local storage, and tolerance notes.
-- `COMPATIBILITY.md` is regenerated as the source of truth for the 289-export
-  audit.
-- `bench/vs-tanstack.ts` adds a published head-to-head benchmark entry point.
-- `GOAL.md` contains the final acceptance ritual for release validation.
+- Publishes six verified ESM entry points with TypeScript declarations and npm
+  provenance: `arrowbase`, `tanstack`, `react`, `arrow`, `idb`, and `broadcast`.
+- Ships the 294/294 compatibility catalog against `@tanstack/db@0.6.16`, plus
+  exact public-export, operator-manifest, differential, and golden tests.
+- Adds columnar incremental live-query backends, spatial indexes, GeoArrow IPC,
+  optimistic transactions, persistence, and cross-tab synchronization.
+- Hosts the correctness-gated City Ops playground on GitHub Pages, with desktop
+  and mobile end-to-end coverage.
+- Keeps the published tarball focused on runtime output and consumer docs.
 
 ## Migration
 
@@ -54,13 +56,12 @@ for ArrowBase, with ArrowBase at 0.15× the measured memory footprint.
 Before tagging:
 
 ```sh
-pnpm typecheck
-pnpm test
-pnpm test:differential
-pnpm test:golden
-pnpm bench
-pnpm bench:vs-tanstack
+pnpm release:verify
+pnpm check
+pnpm playground:check
+pnpm playground:e2e
 pnpm build
+pnpm verify:package-exports
 ```
 
 If any gate fails, do not tag. Fix the gap, regenerate `COMPATIBILITY.md` if the
diff --git a/docs/RELEASING.md b/docs/RELEASING.md
index bcace56..21a3ed7 100644
--- a/docs/RELEASING.md
+++ b/docs/RELEASING.md
@@ -1,7 +1,8 @@
 # Releasing ArrowBase
 
 ArrowBase uses a tag-driven GitHub release workflow plus an optional npm publish
-step. The first managed release is **v0.1.0**.
+step. The existing **v0.1.0** tag is GitHub-only; the first npm release is
+**v0.1.1**.
 
 ## One-time setup
 
@@ -42,6 +43,8 @@ Run from a clean `master` worktree:
 ```sh
 pnpm release:verify
 pnpm check
+pnpm playground:check
+pnpm playground:e2e
 pnpm build
 pnpm verify:package-exports
 rm -rf .release
@@ -51,19 +54,19 @@ pnpm release:pack
 Inspect the generated tarball if needed:
 
 ```sh
-tar -tf .release/arrowbase-0.1.0.tgz | sort | less
+tar -tf .release/arrowbase-0.1.1.tgz | sort | less
 ```
 
-## Create v0.1.0
+## Create v0.1.1
 
 ```sh
 git status --short
 pnpm release:verify
-git tag v0.1.0
-git push origin v0.1.0
+git tag v0.1.1
+git push origin v0.1.1
 ```
 
-Pushing `v0.1.0` triggers `.github/workflows/release.yml`, which validates the
+Pushing `v0.1.1` triggers `.github/workflows/release.yml`, which validates the
 release metadata, runs `pnpm check`, builds, verifies every published entry
 point, packs, uploads the tarball artifact, and creates the GitHub release from
 `RELEASE_NOTES.md`.
@@ -73,7 +76,7 @@ point, packs, uploads the tarball artifact, and creates the GitHub release from
 After `NPM_TOKEN` exists for the bootstrap—or after trusted publishing is
 configured—run the `Release` workflow manually:
 
-- `version`: `0.1.0`
+- `version`: `0.1.1`
 - `publish_npm`: `true`
 
 The workflow runs the same validation and then executes:
@@ -86,8 +89,9 @@ npm publish --provenance --access public
 
 - Do not move an existing release tag silently. If a release tag points at the
   wrong commit, delete the GitHub release and tag explicitly, then recreate.
-- If `pnpm release:verify`, `pnpm check`, `pnpm build`, or
-  `pnpm verify:package-exports` fails, fix the repo and commit before tagging.
+- If `pnpm release:verify`, `pnpm check`, `pnpm playground:check`,
+  `pnpm playground:e2e`, `pnpm build`, or `pnpm verify:package-exports` fails,
+  fix the repo and commit before tagging.
 - If npm publish cannot authenticate, verify the trusted-publisher workflow and
   environment names; use `NPM_TOKEN` only for the first publish or emergency
   fallback. Do not publish from a laptop unless GitHub Actions is unavailable.
diff --git a/package.json b/package.json
index 2cb11de..317f4ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "arrowbase",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "private": false,
   "description": "Columnar Arrow store with an @tanstack/db-compatible API.",
   "keywords": [
diff --git a/tests/release-readiness.test.ts b/tests/release-readiness.test.ts
index a5f6460..bbbe587 100644
--- a/tests/release-readiness.test.ts
+++ b/tests/release-readiness.test.ts
@@ -77,8 +77,8 @@ describe('Layer I release readiness docs', () => {
   });
 });
 
-describe('v0.1.0 release management', () => {
-  it('marks the package publishable as version 0.1.0', () => {
+describe('v0.1.1 release management', () => {
+  it('marks the package publishable as version 0.1.1', () => {
     const pkg = JSON.parse(readProjectFile('package.json')) as {
       version: string;
       private?: boolean;
@@ -90,7 +90,7 @@ describe('v0.1.0 release management', () => {
       scripts: Record<string, string>;
     };
 
-    expect(pkg.version).toBe('0.1.0');
+    expect(pkg.version).toBe('0.1.1');
     expect(pkg.private).toBe(false);
     expect(pkg.license).toBe('MIT');
     expect(pkg.repository).toEqual({
@@ -127,18 +127,18 @@ describe('v0.1.0 release management', () => {
     expect(existsSync(guideUrl)).toBe(true);
 
     const guide = readFileSync(guideUrl, 'utf8');
-    expect(guide).toContain('v0.1.0');
+    expect(guide).toContain('v0.1.1');
     expect(guide).toContain('pnpm release:verify');
-    expect(guide).toContain('git tag v0.1.0');
+    expect(guide).toContain('git tag v0.1.1');
     expect(guide).toContain('NPM_TOKEN');
   });
 
-  it('pins 0.1.0 in release notes and changelog', () => {
+  it('pins 0.1.1 in release notes and changelog', () => {
     const notes = readProjectFile('RELEASE_NOTES.md');
-    expect(notes).toContain('v0.1.0');
+    expect(notes).toContain('v0.1.1');
 
     const changelogUrl = new URL('../CHANGELOG.md', import.meta.url);
     expect(existsSync(changelogUrl)).toBe(true);
-    expect(readFileSync(changelogUrl, 'utf8')).toContain('## 0.1.0');
+    expect(readFileSync(changelogUrl, 'utf8')).toContain('## 0.1.1');
   });
 });