diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 8e5c71627..7a9de9635 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": "0.7.99",
+  "version": "0.7.100",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.codex-plugin/plugin.json b/.codex-plugin/plugin.json
index 62d9a9f60..75bed664c 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": "0.7.99",
+  "version": "0.7.100",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com",
diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index 8a5293aac..7bb482604 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": "0.7.99",
+  "version": "0.7.100",
   "author": {
     "name": "HeyGen",
     "email": "hyperframes@heygen.com"
diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 1d0ee1e13..620fd0504 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -8,6 +8,40 @@ 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 v0.7.100"
+  description="Released - 2026-08-07"
+  tags={["Release", "Core", "Engine", "Scripts"]}
+>
+Components that another composition mounts now keep their own styles in the live preview. Some of them rendered unstyled before, even though the video they produced was correct.
+Screenshot captures on software rendering no longer accumulate earlier frames, and Studio keeps the preview alive in a tight window.
+
+## Features
+
+- **Producer:** Sniff HTML payload before ffprobe in resolveMediaDuration ([8a11e9776](https://github.com/heygen-com/hyperframes/commit/8a11e9776d3c65c2512c595bbde3dfc5bb194f39)).
+
+## Fixes
+
+- **Engine:** Stop SwiftShader ghosting in software screenshot captures ([b57dc13cb](https://github.com/heygen-com/hyperframes/commit/b57dc13cb6c8752c4f8f9426cfda2faf529136c2), [#3096](https://github.com/heygen-com/hyperframes/pull/3096)).
+- **Studio:** Resize an element whose scale is an instant hold ([a850e97f3](https://github.com/heygen-com/hyperframes/commit/a850e97f3d5a2cfcf183aec2cc2620020e8e1bf4), [#3092](https://github.com/heygen-com/hyperframes/pull/3092)).
+- **Core:** Stop dropping a mounted composition styles, and gate the divergence ([8d9db3df7](https://github.com/heygen-com/hyperframes/commit/8d9db3df731409d5aaed4ba0af70ea1c81ab40e4), [#3094](https://github.com/heygen-com/hyperframes/pull/3094)).
+- **Compiler:** Split font-family only on top-level commas ([172311e95](https://github.com/heygen-com/hyperframes/commit/172311e95e99b04cd2d76d43de9bbadd69c630ab), [#3067](https://github.com/heygen-com/hyperframes/pull/3067)).
+- **Studio:** Keep the preview alive when the window is tight ([d5cc1c9c6](https://github.com/heygen-com/hyperframes/commit/d5cc1c9c6249c27a63269288d8b7771656eb50db), [#3091](https://github.com/heygen-com/hyperframes/pull/3091)).
+- **CLI:** Refresh identity persistence classification ([7640adc5f](https://github.com/heygen-com/hyperframes/commit/7640adc5f2c39bd5d330aca3d0180ea2f67a793d)).
+- **Producer:** Classify JSON error bodies as non-media sources too ([349c066a8](https://github.com/heygen-com/hyperframes/commit/349c066a83c21046f888073776212348c2c5057b)).
+- **Producer:** Scope and harden the markup-payload sniff ([f3689c148](https://github.com/heygen-com/hyperframes/commit/f3689c148190b0c72d1b5296b2a5b740d8dd97d8)).
+
+## Catalog
+
+- **Scripts:** Render template-only blocks in catalog previews ([218eff7d3](https://github.com/heygen-com/hyperframes/commit/218eff7d361487becf7e1d6fc0d85453ac199b5e), [#3098](https://github.com/heygen-com/hyperframes/pull/3098)).
+
+## Internal
+
+- **Core:** Settle the four remaining preview-vs-render divergences ([57ec008cb](https://github.com/heygen-com/hyperframes/commit/57ec008cb295efb0a817840a1eadac53fbbf355e), [#3097](https://github.com/heygen-com/hyperframes/pull/3097)).
+
+[View the full commit range](https://github.com/heygen-com/hyperframes/compare/v0.7.99...v0.7.100).
+</Update>
+
 <Update
   label="HyperFrames v0.7.99"
   description="Released - 2026-08-07"
diff --git a/packages/aws-lambda/package.json b/packages/aws-lambda/package.json
index fb9952312..c03e99190 100644
--- a/packages/aws-lambda/package.json
+++ b/packages/aws-lambda/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/aws-lambda",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 dccf3893d..bbed3c1d2 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/cli",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 7cbc4277a..f95a14ce4 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/core",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 9a6842941..60258fe5d 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/engine",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 a8703cb9f..02c132a8d 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": "0.7.99",
+  "version": "0.7.100",
   "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 3b512bb3a..66a16bcc2 100644
--- a/packages/lint/package.json
+++ b/packages/lint/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/lint",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/parsers/package.json b/packages/parsers/package.json
index d552c5788..66b54395b 100644
--- a/packages/parsers/package.json
+++ b/packages/parsers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/parsers",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/player/package.json b/packages/player/package.json
index 7ff3e9965..3d1072626 100644
--- a/packages/player/package.json
+++ b/packages/player/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/player",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "description": "Embeddable web component for HyperFrames compositions",
   "repository": {
     "type": "git",
diff --git a/packages/producer/package.json b/packages/producer/package.json
index f85904aea..510ef4296 100644
--- a/packages/producer/package.json
+++ b/packages/producer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/producer",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 6d5a5e8f6..b48e5db27 100644
--- a/packages/sdk/package.json
+++ b/packages/sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/sdk",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 a71deffd4..372b34bad 100644
--- a/packages/shader-transitions/package.json
+++ b/packages/shader-transitions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/shader-transitions",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "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 a1487ff08..b90910eda 100644
--- a/packages/studio-server/package.json
+++ b/packages/studio-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio-server",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "repository": {
     "type": "git",
     "url": "https://github.com/heygen-com/hyperframes",
diff --git a/packages/studio/package.json b/packages/studio/package.json
index f2147bf74..87326d5ac 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperframes/studio",
-  "version": "0.7.99",
+  "version": "0.7.100",
   "description": "",
   "repository": {
     "type": "git",
diff --git a/releases/v0.7.100.md b/releases/v0.7.100.md
new file mode 100644
index 000000000..c555770e1
--- /dev/null
+++ b/releases/v0.7.100.md
@@ -0,0 +1,33 @@
+# HyperFrames v0.7.100
+
+Released on 2026-08-07.
+
+Components that another composition mounts now keep their own styles in the live preview. Some of them rendered unstyled before, even though the video they produced was correct.
+Screenshot captures on software rendering no longer accumulate earlier frames, and Studio keeps the preview alive in a tight window.
+
+## Features
+
+- **Producer:** Sniff HTML payload before ffprobe in resolveMediaDuration ([8a11e9776](https://github.com/heygen-com/hyperframes/commit/8a11e9776d3c65c2512c595bbde3dfc5bb194f39)).
+
+## Fixes
+
+- **Engine:** Stop SwiftShader ghosting in software screenshot captures ([b57dc13cb](https://github.com/heygen-com/hyperframes/commit/b57dc13cb6c8752c4f8f9426cfda2faf529136c2), [#3096](https://github.com/heygen-com/hyperframes/pull/3096)).
+- **Studio:** Resize an element whose scale is an instant hold ([a850e97f3](https://github.com/heygen-com/hyperframes/commit/a850e97f3d5a2cfcf183aec2cc2620020e8e1bf4), [#3092](https://github.com/heygen-com/hyperframes/pull/3092)).
+- **Core:** Stop dropping a mounted composition styles, and gate the divergence ([8d9db3df7](https://github.com/heygen-com/hyperframes/commit/8d9db3df731409d5aaed4ba0af70ea1c81ab40e4), [#3094](https://github.com/heygen-com/hyperframes/pull/3094)).
+- **Compiler:** Split font-family only on top-level commas ([172311e95](https://github.com/heygen-com/hyperframes/commit/172311e95e99b04cd2d76d43de9bbadd69c630ab), [#3067](https://github.com/heygen-com/hyperframes/pull/3067)).
+- **Studio:** Keep the preview alive when the window is tight ([d5cc1c9c6](https://github.com/heygen-com/hyperframes/commit/d5cc1c9c6249c27a63269288d8b7771656eb50db), [#3091](https://github.com/heygen-com/hyperframes/pull/3091)).
+- **CLI:** Refresh identity persistence classification ([7640adc5f](https://github.com/heygen-com/hyperframes/commit/7640adc5f2c39bd5d330aca3d0180ea2f67a793d)).
+- **Producer:** Classify JSON error bodies as non-media sources too ([349c066a8](https://github.com/heygen-com/hyperframes/commit/349c066a83c21046f888073776212348c2c5057b)).
+- **Producer:** Scope and harden the markup-payload sniff ([f3689c148](https://github.com/heygen-com/hyperframes/commit/f3689c148190b0c72d1b5296b2a5b740d8dd97d8)).
+
+## Catalog
+
+- **Scripts:** Render template-only blocks in catalog previews ([218eff7d3](https://github.com/heygen-com/hyperframes/commit/218eff7d361487becf7e1d6fc0d85453ac199b5e), [#3098](https://github.com/heygen-com/hyperframes/pull/3098)).
+
+## Internal
+
+- **Core:** Settle the four remaining preview-vs-render divergences ([57ec008cb](https://github.com/heygen-com/hyperframes/commit/57ec008cb295efb0a817840a1eadac53fbbf355e), [#3097](https://github.com/heygen-com/hyperframes/pull/3097)).
+
+## Full changelog
+
+https://github.com/heygen-com/hyperframes/compare/v0.7.99...v0.7.100