diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 7d5b9b05a..c574a8b38 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-to-video capture for HyperFrames.",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 5b5f7f72b..76e0ec27e 100644
--- a/.codex-plugin/plugin.json
+++ b/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "hyperframes",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "Write HTML, render video. Compositions, Tailwind v4 styles, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website-to-video capture for HyperFrames.",
   "author": {
     "name": "HeyGen",
diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index 6896755ef..38a92048e 100644
--- a/.cursor-plugin/plugin.json
+++ b/.cursor-plugin/plugin.json
@@ -2,7 +2,7 @@
   "$schema": "https://cursor.com/schemas/cursor-plugin/plugin.json",
   "name": "hyperframes",
   "displayName": "HyperFrames by HeyGen",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "Write HTML, render video. Compositions, Tailwind v4 styles, GSAP and runtime adapter animations, captions, voiceovers, audio-reactive visuals, and website-to-video capture for HyperFrames.",
   "author": {
     "name": "HeyGen",
diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 5df3d5fd9..480ff8995 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -8,6 +8,28 @@ 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 v0.7.21"
+  description="Released - 2026-06-30"
+  tags={["Release", "Lint", "Skills", "Core"]}
+>
+Adds a lint rule that errors on `crossorigin` on media (it renders fine but shows blank in preview) and fixes the root cause of id-less media rendering as a blank wash in the timing compiler.
+
+## Features
+
+- **Lint:** Error on crossorigin on media (breaks preview) ([1faeba4a](https://github.com/heygen-com/hyperframes/commit/1faeba4aa5e309c1ea688e37e833ffaba60429eb), [#1793](https://github.com/heygen-com/hyperframes/pull/1793))
+
+## Fixes
+
+- **Core:** Root-cause id-less media wash in timingCompiler getAttr, drop the band-aid ([0dfedd11](https://github.com/heygen-com/hyperframes/commit/0dfedd111c49948c531f2e2b0b290e50024176e7), [#1792](https://github.com/heygen-com/hyperframes/pull/1792))
+
+## Docs & Examples
+
+- **Skills:** Instruct agents to run `hyperframes feedback` after render ([04700ea9](https://github.com/heygen-com/hyperframes/commit/04700ea9c51d6b29f8512e2ae4c2655054acf20b), [#1785](https://github.com/heygen-com/hyperframes/pull/1785))
+
+[View the full commit range](https://github.com/heygen-com/hyperframes/compare/v0.7.20...v0.7.21).
+</Update>
+
 <Update
   label="HyperFrames v0.7.20"
   description="Released - 2026-06-30"
diff --git a/packages/aws-lambda/package.json b/packages/aws-lambda/package.json
index 8ed0c53e7..4ce854028 100644
--- a/packages/aws-lambda/package.json
+++ b/packages/aws-lambda/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/aws-lambda",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "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 059d525ec..c20762398 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/cli",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "HyperFrames CLI — create, preview, and render HTML video compositions",
   "repository": {
     "type": "git",
diff --git a/packages/core/package.json b/packages/core/package.json
index c7474e37e..f1ea348f6 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/core",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index ca6b09a61..bee28b81d 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/engine",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "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 5d86d6098..ea939d956 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": "0.7.20",
+  "version": "0.7.21",
   "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 d47ffa24c..704d8300d 100644
--- a/packages/lint/package.json
+++ b/packages/lint/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/lint",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/parsers/package.json b/packages/parsers/package.json
index ffa3418ae..d3234575b 100644
--- a/packages/parsers/package.json
+++ b/packages/parsers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/parsers",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/player/package.json b/packages/player/package.json
index 0bef61030..9de4b018f 100644
--- a/packages/player/package.json
+++ b/packages/player/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/player",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "Embeddable web component for HyperFrames compositions",
   "repository": {
     "type": "git",
diff --git a/packages/producer/package.json b/packages/producer/package.json
index 8877d5dbd..1979f2af4 100644
--- a/packages/producer/package.json
+++ b/packages/producer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/producer",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "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 df0706559..b7a035c3e 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/sdk",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "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 c12d2cb8f..4652ef54f 100644
--- a/packages/shader-transitions/package.json
+++ b/packages/shader-transitions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/shader-transitions",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "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 f70eeb92e..4cc2daed7 100644
--- a/packages/studio-server/package.json
+++ b/packages/studio-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio-server",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/studio/package.json b/packages/studio/package.json
index 527ba86cf..d0a839560 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio",
-  "version": "0.7.20",
+  "version": "0.7.21",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/releases/v0.7.21.md b/releases/v0.7.21.md
new file mode 100644
index 000000000..d580b5356
--- /dev/null
+++ b/releases/v0.7.21.md
@@ -0,0 +1,21 @@
+# HyperFrames v0.7.21
+
+Released on 2026-06-30.
+
+Adds a lint rule that errors on `crossorigin` on media (it renders fine but shows blank in preview) and fixes the root cause of id-less media rendering as a blank wash in the timing compiler.
+
+## Features
+
+- **Lint:** Error on crossorigin on media (breaks preview) ([1faeba4a](https://github.com/heygen-com/hyperframes/commit/1faeba4aa5e309c1ea688e37e833ffaba60429eb), [#1793](https://github.com/heygen-com/hyperframes/pull/1793))
+
+## Fixes
+
+- **Core:** Root-cause id-less media wash in timingCompiler getAttr, drop the band-aid ([0dfedd11](https://github.com/heygen-com/hyperframes/commit/0dfedd111c49948c531f2e2b0b290e50024176e7), [#1792](https://github.com/heygen-com/hyperframes/pull/1792))
+
+## Docs & Examples
+
+- **Skills:** Instruct agents to run `hyperframes feedback` after render ([04700ea9](https://github.com/heygen-com/hyperframes/commit/04700ea9c51d6b29f8512e2ae4c2655054acf20b), [#1785](https://github.com/heygen-com/hyperframes/pull/1785))
+
+## Full changelog
+
+https://github.com/heygen-com/hyperframes/compare/v0.7.20...v0.7.21