diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index b02b34682f0..3d238c2a2a9 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": "0.8.121",
+  "version": "0.8.122",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 8d936aca65a..f99990771ca 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": "0.8.121",
+  "version": "0.8.122",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index ba2008960d7..6938c6ed318 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": "0.8.121",
+  "version": "0.8.122",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com"
diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 4bfa5c4f131..f596cbf55f8 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -8,6 +8,29 @@ 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 v0.8.122"
+  description="Released - 2026-10-04"
+  tags={["Release", "Media Use", "Core", "Studio"]}
+>
+Studio trims keep the playhead still and clips snap to the ruler, and a host can show its own Split key. Renders wait for web fonts, so text-sized layouts repeat exactly. Media Use gives clearer credential errors and no longer leaves empty assets after a slow download.
+
+## Fixes
+
+- **Media Use:** Say to fix an unreadable credentials path, not to log in again ([981bcf455332](https://github.com/heygen-com/hyperframes/commit/981bcf455332a18e951e323c78395d30df32ea66), [#4998](https://github.com/heygen-com/hyperframes/pull/4998)).
+- **Core:** Composition scripts start after web fonts are ready, so renders repeat ([44b583625095](https://github.com/heygen-com/hyperframes/commit/44b5836250953fd34fa1d85b4843db34efd2232c), [#4980](https://github.com/heygen-com/hyperframes/pull/4980)).
+- **Studio:** Trimming keeps the playhead still; clips snap to the ruler grid ([7859c0f0037a](https://github.com/heygen-com/hyperframes/commit/7859c0f0037a1e07988e6f5fba31a2c8bc6f9456), [#4986](https://github.com/heygen-com/hyperframes/pull/4986)).
+- **Studio:** The host can name Split's key on the toolbar and bind the clip menu's link keys ([b04081b376a3](https://github.com/heygen-com/hyperframes/commit/b04081b376a3c2c549b7df71c8be0afb22001b03), [#4994](https://github.com/heygen-com/hyperframes/pull/4994)).
+- **Media Use:** A slow download no longer leaves an empty asset that undo brings back ([18a922f43342](https://github.com/heygen-com/hyperframes/commit/18a922f43342a3afb6e03e80ab7174d78552da95), [#4989](https://github.com/heygen-com/hyperframes/pull/4989)).
+
+## Internal
+
+- **Studio:** The edit bench render serves GSAP from the repo, never the CDN ([7f3464921c7d](https://github.com/heygen-com/hyperframes/commit/7f3464921c7dad4ed66930661147b12225f23440), [#4996](https://github.com/heygen-com/hyperframes/pull/4996)).
+- **Core:** Pin three composition-length rules that no test covered ([351d389c0bcc](https://github.com/heygen-com/hyperframes/commit/351d389c0bcc60dcabcd8e7aaf4592923efde179), [#5000](https://github.com/heygen-com/hyperframes/pull/5000)).
+
+[View the full commit range](https://github.com/heygen-com/hyperframes/compare/v0.8.121...v0.8.122).
+</Update>
+
 <Update
   label="HyperFrames v0.8.121"
   description="Released - 2026-10-04"
diff --git a/gemini-extension.json b/gemini-extension.json
index 61748e55229..1f3298dd614 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,5 +1,5 @@
 {
   "name": "hyperframes",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 b02a196b9a8..e0bec665e87 100644
--- a/packages/aws-lambda/package.json
+++ b/packages/aws-lambda/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/aws-lambda",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 44999aa6d9c..a294c8af229 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/cli",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 777b8bf26b1..60979d94c29 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/core",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 0767ceedcc3..0a650a2228c 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/engine",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 3ab0258c864..bb9b1d55370 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": "0.8.121",
+  "version": "0.8.122",
   "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 22b60d3e02d..45b7b33ce40 100644
--- a/packages/lint/package.json
+++ b/packages/lint/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/lint",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/parsers/package.json b/packages/parsers/package.json
index 4dc6b016072..9a6f2441219 100644
--- a/packages/parsers/package.json
+++ b/packages/parsers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/parsers",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/player/package.json b/packages/player/package.json
index b192327825e..5d3a513c1a3 100644
--- a/packages/player/package.json
+++ b/packages/player/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/player",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "description": "Embeddable web component for HyperFrames compositions",
   "repository": {
     "type": "git",
diff --git a/packages/producer/package.json b/packages/producer/package.json
index 62811446eca..d838616e672 100644
--- a/packages/producer/package.json
+++ b/packages/producer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/producer",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 64accb46149..482e7cc534e 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/sdk",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 b1b59c84287..fa801f7b96e 100644
--- a/packages/shader-transitions/package.json
+++ b/packages/shader-transitions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/shader-transitions",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "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 bc114e8866a..db95e371970 100644
--- a/packages/studio-server/package.json
+++ b/packages/studio-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio-server",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/studio/package.json b/packages/studio/package.json
index fe3ebb4e34c..e8031d711e5 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio",
-  "version": "0.8.121",
+  "version": "0.8.122",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/plugin.json b/plugin.json
index 42459c88bbf..63af401c17b 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": "0.8.121",
+  "version": "0.8.122",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/releases/v0.8.122.md b/releases/v0.8.122.md
new file mode 100644
index 00000000000..c56239a145e
--- /dev/null
+++ b/releases/v0.8.122.md
@@ -0,0 +1,22 @@
+# HyperFrames v0.8.122
+
+Released on 2026-10-04.
+
+Studio trims keep the playhead still and clips snap to the ruler, and a host can show its own Split key. Renders wait for web fonts, so text-sized layouts repeat exactly. Media Use gives clearer credential errors and no longer leaves empty assets after a slow download.
+
+## Fixes
+
+- **Media Use:** Say to fix an unreadable credentials path, not to log in again ([981bcf455332](https://github.com/heygen-com/hyperframes/commit/981bcf455332a18e951e323c78395d30df32ea66), [#4998](https://github.com/heygen-com/hyperframes/pull/4998)).
+- **Core:** Composition scripts start after web fonts are ready, so renders repeat ([44b583625095](https://github.com/heygen-com/hyperframes/commit/44b5836250953fd34fa1d85b4843db34efd2232c), [#4980](https://github.com/heygen-com/hyperframes/pull/4980)).
+- **Studio:** Trimming keeps the playhead still; clips snap to the ruler grid ([7859c0f0037a](https://github.com/heygen-com/hyperframes/commit/7859c0f0037a1e07988e6f5fba31a2c8bc6f9456), [#4986](https://github.com/heygen-com/hyperframes/pull/4986)).
+- **Studio:** The host can name Split's key on the toolbar and bind the clip menu's link keys ([b04081b376a3](https://github.com/heygen-com/hyperframes/commit/b04081b376a3c2c549b7df71c8be0afb22001b03), [#4994](https://github.com/heygen-com/hyperframes/pull/4994)).
+- **Media Use:** A slow download no longer leaves an empty asset that undo brings back ([18a922f43342](https://github.com/heygen-com/hyperframes/commit/18a922f43342a3afb6e03e80ab7174d78552da95), [#4989](https://github.com/heygen-com/hyperframes/pull/4989)).
+
+## Internal
+
+- **Studio:** The edit bench render serves GSAP from the repo, never the CDN ([7f3464921c7d](https://github.com/heygen-com/hyperframes/commit/7f3464921c7dad4ed66930661147b12225f23440), [#4996](https://github.com/heygen-com/hyperframes/pull/4996)).
+- **Core:** Pin three composition-length rules that no test covered ([351d389c0bcc](https://github.com/heygen-com/hyperframes/commit/351d389c0bcc60dcabcd8e7aaf4592923efde179), [#5000](https://github.com/heygen-com/hyperframes/pull/5000)).
+
+## Full changelog
+
+https://github.com/heygen-com/hyperframes/compare/v0.8.121...v0.8.122