diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index a9c1fec49e..0525feed62 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "hyperframes",
   "description": "HyperFrames by HeyGen. Write HTML, render video. Compositions, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website capture for HyperFrames.",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 81b0ff1b76..5458a904ed 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "hyperframes",
   "description": "Write HTML, render video. Compositions, Tailwind v4 styles, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website capture for HyperFrames.",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index e9d16af05f..c5d79769f9 100644
--- a/.cursor-plugin/plugin.json
+++ b/.cursor-plugin/plugin.json
@@ -3,7 +3,7 @@
   "name": "hyperframes",
   "displayName": "HyperFrames by HeyGen",
   "description": "Write HTML, render video. Compositions, Tailwind v4 styles, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website capture for HyperFrames.",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com"
diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 80010a3d4d..3fc2fb02e2 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -8,6 +8,21 @@ Recent HyperFrames releases, including user-facing features, fixes, and migratio
 
 {/* New release entries are prepended by `bun run changelog:draft <version> --write`. */}
 
+<Update
+  label="HyperFrames v0.8.88"
+  description="Released - 2026-09-29"
+  tags={["Release", "Studio"]}
+>
+The timeline has one tool picker that can select every clip to the left or right of the playhead. An embedding app can hide keyframe lanes and diamonds for editing without keyframes.
+
+## Features
+
+- **Studio:** The timeline has one tool picker, with tools that select every clip to the left or right ([6b59004de](https://github.com/heygen-com/hyperframes/commit/6b59004de2dd233ce32ae2cb0743b3867c154d41), [#4714](https://github.com/heygen-com/hyperframes/pull/4714)).
+- **Studio:** An embedding app can hide the timeline's keyframe lanes and diamonds ([00a907d6b](https://github.com/heygen-com/hyperframes/commit/00a907d6b3ed668b1796a6bf0c41119fb1974708), [#4715](https://github.com/heygen-com/hyperframes/pull/4715)).
+
+[View the full commit range](https://github.com/heygen-com/hyperframes/compare/v0.8.87...v0.8.88).
+</Update>
+
 <Update
   label="HyperFrames v0.8.87"
   description="Released - 2026-09-29"
diff --git a/gemini-extension.json b/gemini-extension.json
index 9385ab639e..2c89f4a4a3 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,5 +1,5 @@
 {
   "name": "hyperframes",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "HyperFrames by HeyGen. Write HTML, render video. Compositions, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website capture for HyperFrames."
 }
diff --git a/packages/aws-lambda/package.json b/packages/aws-lambda/package.json
index d604f945c0..15500f498e 100644
--- a/packages/aws-lambda/package.json
+++ b/packages/aws-lambda/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/aws-lambda",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "AWS Lambda adapter for HyperFrames distributed rendering — handler, client-side SDK, and CDK construct.",
   "repository": {
     "type": "git",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index c63212bc4f..c3e6cba5b1 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/cli",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "HyperFrames CLI — create, preview, and render HTML video compositions",
   "license": "Apache-2.0",
   "repository": {
diff --git a/packages/core/package.json b/packages/core/package.json
index db01cf67ea..a4d7d24ce9 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/core",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index bca1fcaeef..8913d53776 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/engine",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "Seekable web page to video rendering engine (Puppeteer + FFmpeg)",
   "repository": {
     "type": "git",
diff --git a/packages/gcp-cloud-run/package.json b/packages/gcp-cloud-run/package.json
index 89200fcf9f..1461d3d044 100644
--- a/packages/gcp-cloud-run/package.json
+++ b/packages/gcp-cloud-run/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/gcp-cloud-run",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "Google Cloud Run + Workflows adapter for HyperFrames distributed rendering — request handler, client-side SDK, and Terraform module.",
   "repository": {
     "type": "git",
diff --git a/packages/lint/package.json b/packages/lint/package.json
index 55caa43dda..61d516ed05 100644
--- a/packages/lint/package.json
+++ b/packages/lint/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/lint",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/parsers/package.json b/packages/parsers/package.json
index 40d6f0a674..3e9bf11ac0 100644
--- a/packages/parsers/package.json
+++ b/packages/parsers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/parsers",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/player/package.json b/packages/player/package.json
index d4dbba2ff8..9ea4277cbf 100644
--- a/packages/player/package.json
+++ b/packages/player/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/player",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "Embeddable web component for HyperFrames compositions",
   "repository": {
     "type": "git",
diff --git a/packages/producer/package.json b/packages/producer/package.json
index c32eea805d..41cf723264 100644
--- a/packages/producer/package.json
+++ b/packages/producer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/producer",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "HTML-to-video rendering engine using Chrome's BeginFrame API",
   "repository": {
     "type": "git",
diff --git a/packages/sdk/package.json b/packages/sdk/package.json
index 61d0bc5f20..74da298145 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/sdk",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "Headless, framework-neutral HyperFrames composition editing engine",
   "repository": {
     "type": "git",
diff --git a/packages/shader-transitions/package.json b/packages/shader-transitions/package.json
index 8e76ea6e7b..a38a59039e 100644
--- a/packages/shader-transitions/package.json
+++ b/packages/shader-transitions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/shader-transitions",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "WebGL shader transitions for HyperFrames compositions",
   "repository": {
     "type": "git",
diff --git a/packages/studio-server/package.json b/packages/studio-server/package.json
index dcc8c2f94b..876e32faab 100644
--- a/packages/studio-server/package.json
+++ b/packages/studio-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio-server",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/studio/package.json b/packages/studio/package.json
index 2658478721..5a4cdf1c71 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/plugin.json b/plugin.json
index 7d7daa7008..0d302ee4b5 100644
--- a/plugin.json
+++ b/plugin.json
@@ -2,7 +2,7 @@
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "hyperframes",
   "description": "HyperFrames by HeyGen. Write HTML, render video. Compositions, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website capture for HyperFrames.",
-  "version": "0.8.87",
+  "version": "0.8.88",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/releases/v0.8.88.md b/releases/v0.8.88.md
new file mode 100644
index 0000000000..0164a17f8c
--- /dev/null
+++ b/releases/v0.8.88.md
@@ -0,0 +1,14 @@
+# HyperFrames v0.8.88
+
+Released on 2026-09-29.
+
+The timeline has one tool picker that can select every clip to the left or right of the playhead. An embedding app can hide keyframe lanes and diamonds for editing without keyframes.
+
+## Features
+
+- **Studio:** The timeline has one tool picker, with tools that select every clip to the left or right ([6b59004de](https://github.com/heygen-com/hyperframes/commit/6b59004de2dd233ce32ae2cb0743b3867c154d41), [#4714](https://github.com/heygen-com/hyperframes/pull/4714)).
+- **Studio:** An embedding app can hide the timeline's keyframe lanes and diamonds ([00a907d6b](https://github.com/heygen-com/hyperframes/commit/00a907d6b3ed668b1796a6bf0c41119fb1974708), [#4715](https://github.com/heygen-com/hyperframes/pull/4715)).
+
+## Full changelog
+
+https://github.com/heygen-com/hyperframes/compare/v0.8.87...v0.8.88