diff --git a/.changeset/clever-balloons-tell.md b/.changeset/clever-balloons-tell.md
deleted file mode 100644
index 31ea8a30b9..0000000000
--- a/.changeset/clever-balloons-tell.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@primer/view-components": patch
----
-
-[Bug] Don't fill in the spinner circle svg path
diff --git a/.changeset/cool-items-stare.md b/.changeset/cool-items-stare.md
deleted file mode 100644
index 173945a00a..0000000000
--- a/.changeset/cool-items-stare.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-'@primer/view-components': minor
----
-
-Add rubocop linter for `IconButton` component
-
-<!-- Changed components: Primer::IconButton -->
diff --git a/.changeset/sour-parrots-fetch.md b/.changeset/sour-parrots-fetch.md
deleted file mode 100644
index 339815fcfc..0000000000
--- a/.changeset/sour-parrots-fetch.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-'@primer/view-components': minor
----
-
-Moving the render for the ActionBar::Item from the slot initializer to the call method.
-
-<!-- Changed components: _none_ -->
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index ea2d8888de..e6dcaca6a9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -32,8 +32,8 @@
     "vunguyentuan.vscode-postcss",
     "DavidAnson.vscode-markdownlint"
   ],
-  "forwardPorts": [4000, 5400],
-  "appPort": [4000, 5400],
+  "forwardPorts": [4000],
+  "appPort": [4000],
   "portsAttributes": {
     "4000": {
       "label": "demo"
diff --git a/.devcontainer/welcome-message.txt b/.devcontainer/welcome-message.txt
index 9aacfbfd40..a21830bf92 100644
--- a/.devcontainer/welcome-message.txt
+++ b/.devcontainer/welcome-message.txt
@@ -4,6 +4,6 @@
 👢 Your environment is all set up and bootstrapped.
 
 🚀 To begin, start the server with the VS code task (⇧⌘B) or run
-   script/dev, which will start the Rails server at http://localhost:4000 and documentation at http://localhost:5400.
+   script/dev, which will start the Rails server at http://localhost:4000.
 
 ❔ Having other problems? Open an issue in the repo for support!
diff --git a/.github/release_template.md b/.github/release_template.md
index e767c6d0df..b59c818b5d 100644
--- a/.github/release_template.md
+++ b/.github/release_template.md
@@ -7,8 +7,8 @@ Please ensure these items are checked before merging.
 - [ ] All CI checks pass
 - [ ] Lookbook opens in a browser
 - [ ] Successful integration test with GitHub.com as a primary consumer of Primer View Components
-  - [ ] Install the npm release candidate in `npm-workspaces/primer/`
-  - [ ] Use `bin/vendor-gem` to update `primer_view_components` gem
+  - [ ] Install the npm release candidate: `npm i -w ./npm-workspaces/primer/ @primer/view-components@next`
+  - [ ] Update `primer_view_components` gem: `script/vendor-gem https://github.com/primer/view_components.git -r changeset-release/main`
   - [ ] Verify no new build errors appear
   - [ ] Verify no new linting errors appear
   - [ ] Manually test critical paths
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6149c52ad0..58c8f9e53a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Get specific changed files
       id: changed-files
-      uses: tj-actions/changed-files@v37.6.0
+      uses: tj-actions/changed-files@v38.2.0
       with:
         files: |
           **/*.md
@@ -38,7 +38,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Get specific changed files
       id: changed-files
-      uses: tj-actions/changed-files@v37.6.0
+      uses: tj-actions/changed-files@v38.2.0
       with:
         files: |
           app/**/*.rb
@@ -61,7 +61,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Get changed files
       id: changed-files
-      uses: tj-actions/changed-files@v37.6.0
+      uses: tj-actions/changed-files@v38.2.0
       with:
         files: |
           app/components/**/*.erb
@@ -81,7 +81,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Get changed files
       id: changed-files
-      uses: tj-actions/changed-files@v37.6.0
+      uses: tj-actions/changed-files@v38.2.0
       with:
         files: |
           app/components/**/*.ts
@@ -102,7 +102,7 @@ jobs:
     - uses: actions/checkout@v3
     - name: Get changed files
       id: changed-files
-      uses: tj-actions/changed-files@v37.6.0
+      uses: tj-actions/changed-files@v38.2.0
       with:
         files: |
           app/components/**/*.pcss
diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb7496ca49..9ff6dd0c24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,33 @@
 # CHANGELOG
 
+## 0.9.0
+
+### Minor Changes
+
+- [#2205](https://github.com/primer/view_components/pull/2205) [`88ac3095`](https://github.com/primer/view_components/commit/88ac309577b5b735af5067ee6ab2c8c30f48aefc) Thanks [@TylerJDev](https://github.com/TylerJDev)! - Add rubocop linter for `IconButton` component
+
+  <!-- Changed components: Primer::IconButton -->
+
+- [#2223](https://github.com/primer/view_components/pull/2223) [`00b7d5d7`](https://github.com/primer/view_components/commit/00b7d5d78e2f52dc6bc6c54689e50da976289203) Thanks [@jonrohan](https://github.com/jonrohan)! - Moving the render for the ActionBar::Item from the slot initializer to the call method.
+
+  <!-- Changed components: _none_ -->
+
+### Patch Changes
+
+- [#2227](https://github.com/primer/view_components/pull/2227) [`bb336bb6`](https://github.com/primer/view_components/commit/bb336bb6f034e20778b4834edae3540c365b9d9f) Thanks [@jonrohan](https://github.com/jonrohan)! - [Bug] Don't fill in the spinner circle svg path
+
+- [#2237](https://github.com/primer/view_components/pull/2237) [`70a8336f`](https://github.com/primer/view_components/commit/70a8336fda45b144f81c1ece54b17a26037126e4) Thanks [@jonrohan](https://github.com/jonrohan)! - Fixing ActionBar more menu items including buttons with no type
+
+  <!-- Changed components: Primer::Alpha::ActionBar -->
+
+- [#2204](https://github.com/primer/view_components/pull/2204) [`ed1644a2`](https://github.com/primer/view_components/commit/ed1644a2fa5b701611a13513cb903774f3f74152) Thanks [@keithamus](https://github.com/keithamus)! - Fix errors in older browsers with :popover-open
+
+  <!-- Changed components: Primer::Alpha::Tooltip -->
+
+- [#2236](https://github.com/primer/view_components/pull/2236) [`d663e450`](https://github.com/primer/view_components/commit/d663e4508341f5b9ef1788b8a2231782ce3ed44d) Thanks [@keithamus](https://github.com/keithamus)! - Centre anchored-position elements when their anchor is not present
+
+  <!-- Changed components: Primer::Alpha::Overlay -->
+
 ## 0.8.0
 
 ### Minor Changes
diff --git a/Gemfile.lock b/Gemfile.lock
index a55e4c5429..6816de10cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    primer_view_components (0.8.0)
+    primer_view_components (0.9.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
       octicons (>= 18.0.0)
@@ -120,7 +120,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.14.0-x86_64-linux)
       racc (~> 1.4)
-    octicons (19.6.0)
+    octicons (19.7.0)
     parallel (1.22.1)
     parser (3.2.0.0)
       ast (~> 2.4.1)
diff --git a/app/components/primer/alpha/action_bar.rb b/app/components/primer/alpha/action_bar.rb
index 4842fb7353..79c3b65432 100644
--- a/app/components/primer/alpha/action_bar.rb
+++ b/app/components/primer/alpha/action_bar.rb
@@ -66,8 +66,6 @@ def with_menu_item(id:, **system_arguments, &block)
         system_arguments = {
           **system_arguments,
           hidden: true,
-          tag: :button,
-          type: "button",
           "data-for": id,
           "data-action": "click:action-bar#menuItemClick"
         }
diff --git a/app/components/primer/alpha/overlay.pcss b/app/components/primer/alpha/overlay.pcss
index ead0273b5f..6bf7a9a826 100644
--- a/app/components/primer/alpha/overlay.pcss
+++ b/app/components/primer/alpha/overlay.pcss
@@ -15,6 +15,10 @@ anchored-position[popover]:not(.\:popover-open) {
   display: none;
 }
 
+anchored-position.not-anchored::backdrop {
+  background-color: var(--overlay-backdrop-bgColor, var(--color-neutral-muted));
+}
+
 /* This reverts the declaration above for native popover, where `:popover-open` is supported */
 @supports selector(:popover-open) {
   anchored-position[popover]:not(.\:popover-open) {
diff --git a/app/components/primer/alpha/tool_tip.ts b/app/components/primer/alpha/tool_tip.ts
index b9f86b928d..4bd5b9f779 100644
--- a/app/components/primer/alpha/tool_tip.ts
+++ b/app/components/primer/alpha/tool_tip.ts
@@ -2,6 +2,25 @@ import type {AnchorAlignment, AnchorSide} from '@primer/behaviors'
 import '@oddbird/popover-polyfill'
 import {getAnchoredPosition} from '@primer/behaviors'
 
+const isPopoverOpen = (() => {
+  let selector: string
+  function setSelector(el: Element) {
+    try {
+      selector = ':popover-open'
+      return el.matches(selector)
+    } catch {
+      try {
+        selector = ':open'
+        return el.matches(':open')
+      } catch {
+        selector = '.\\:popover-open'
+        return el.matches('.\\:popover-open')
+      }
+    }
+  }
+  return (el: Element) => (selector ? el.matches(selector) : setSelector(el))
+})()
+
 const TOOLTIP_ARROW_EDGE_OFFSET = 6
 const TOOLTIP_SR_ONLY_CLASS = 'sr-only'
 const TOOLTIP_OFFSET = 10
@@ -22,7 +41,7 @@ const DIRECTION_CLASSES = [
 function closeOpenTooltips(except?: Element) {
   for (const tooltip of openTooltips) {
     if (tooltip === except) continue
-    if (tooltip.matches(':popover-open')) {
+    if (isPopoverOpen(tooltip)) {
       tooltip.hidePopover()
     } else {
       openTooltips.delete(tooltip)
@@ -206,16 +225,16 @@ class ToolTipElement extends HTMLElement {
 
   /* @deprecated */
   set hiddenFromView(value: true | false) {
-    if (value && this.matches(':popover-open')) {
+    if (value && isPopoverOpen(this)) {
       this.hidePopover()
-    } else if (!value && this.matches(':not(:popover-open)')) {
+    } else if (!value && !isPopoverOpen(this)) {
       this.showPopover()
     }
   }
 
   /* @deprecated */
   get hiddenFromView() {
-    return !this.matches(':popover-open')
+    return !isPopoverOpen(this)
   }
 
   connectedCallback() {
@@ -262,7 +281,7 @@ class ToolTipElement extends HTMLElement {
 
   async handleEvent(event: Event) {
     if (!this.control) return
-    const showing = this.matches(':popover-open')
+    const showing = isPopoverOpen(this)
 
     // Ensures that tooltip stays open when hovering between tooltip and element
     // WCAG Success Criterion 1.4.13 Hoverable
@@ -277,9 +296,9 @@ class ToolTipElement extends HTMLElement {
     const shouldHide = isMouseLeaveFromButton || isEscapeKeydown || isMouseDownOnButton || isOpeningOtherPopover
 
     await Promise.resolve()
-    if (!showing && shouldShow && this.matches(':not(:popover-open)')) {
+    if (!showing && shouldShow && !isPopoverOpen(this)) {
       this.showPopover()
-    } else if (showing && shouldHide && this.matches(':popover-open')) {
+    } else if (showing && shouldHide && isPopoverOpen(this)) {
       this.hidePopover()
     }
 
@@ -377,7 +396,7 @@ class ToolTipElement extends HTMLElement {
 
   #updatePosition() {
     if (!this.control) return
-    if (!this.#allowUpdatePosition || !this.matches(':popover-open')) return
+    if (!this.#allowUpdatePosition || !isPopoverOpen(this)) return
 
     const position = getAnchoredPosition(this, this.control, {
       side: this.#side,
diff --git a/app/components/primer/anchored_position.ts b/app/components/primer/anchored_position.ts
index 0b37015270..304610b548 100644
--- a/app/components/primer/anchored_position.ts
+++ b/app/components/primer/anchored_position.ts
@@ -133,10 +133,19 @@ export default class AnchoredPositionElement extends HTMLElement implements Posi
 
     this.#animationFrame = requestAnimationFrame(() => {
       const anchor = this.anchorElement
-      if (!anchor) return
-      const {left, top} = getAnchoredPosition(this, anchor, this)
-      this.style.top = `${top}px`
-      this.style.left = `${left}px`
+      this.classList.toggle('not-anchored', !anchor)
+      if (anchor) {
+        const {left, top} = getAnchoredPosition(this, anchor, this)
+        this.style.top = `${top}px`
+        this.style.left = `${left}px`
+        this.style.bottom = 'auto'
+        this.style.right = 'auto'
+      } else {
+        this.style.top = '0'
+        this.style.left = '0'
+        this.style.bottom = '0'
+        this.style.right = '0'
+      }
     })
   }
 }
diff --git a/demo/Gemfile.lock b/demo/Gemfile.lock
index 67da2e8591..a51801ded1 100644
--- a/demo/Gemfile.lock
+++ b/demo/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    primer_view_components (0.8.0)
+    primer_view_components (0.9.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
       octicons (>= 18.0.0)
@@ -271,7 +271,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.15.4-x86_64-linux)
       racc (~> 1.4)
-    octicons (19.5.0)
+    octicons (19.7.0)
     oj (3.16.0)
     os (1.1.4)
     pry (0.14.1)
diff --git a/demo/package-lock.json b/demo/package-lock.json
index 7c7eddd4d7..e9dc6d2952 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -8,33 +8,28 @@
       "name": "demo",
       "version": "0.1.0",
       "dependencies": {
-        "@primer/css": "^21.0.7",
+        "@primer/css": "^21.0.8",
         "@primer/primitives": "7.12.0",
-        "@rails/actioncable": "^7.0.6",
-        "@rails/ujs": "^7.0.6",
+        "@rails/actioncable": "^7.0.7",
+        "@rails/ujs": "^7.0.7",
         "turbolinks": "^5.2.0",
         "webpack-dev-server": "^4.15.1"
       }
     },
     "node_modules/@github/auto-check-element": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/@github/auto-check-element/-/auto-check-element-5.2.0.tgz",
-      "integrity": "sha512-YODZZUSeoZVJQ04p73MAohrEK37SJlVRDUTaFiPYse9K3z3bNEm+ekq5qYCIyDKGgX7hUhr3WZF35qHxr/zu0Q==",
+      "version": "5.4.1",
+      "resolved": "https://registry.npmjs.org/@github/auto-check-element/-/auto-check-element-5.4.1.tgz",
+      "integrity": "sha512-AJeHV1ifpby5Hp2wJIzcsdIB5YAq869F7ilNv2GygTVpHOSCfYSS29/hJ5GGTLgfKpPRgTmJcMi5OetKR8eH1g==",
       "dependencies": {
-        "@github/mini-throttle": "^1.0.7"
+        "@github/mini-throttle": "^2.1.0"
       }
     },
-    "node_modules/@github/auto-check-element/node_modules/@github/mini-throttle": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-1.0.7.tgz",
-      "integrity": "sha512-1fzCDXpxI4J59pNmO0r0Y1g+R8Sa2B5ersce8AuFu5STMu7b++9osdedK0zWduYowBIgsPQZihJBN19WrAF64g=="
-    },
     "node_modules/@github/auto-complete-element": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@github/auto-complete-element/-/auto-complete-element-3.4.0.tgz",
-      "integrity": "sha512-iJ5D/0rwhPnoGPqFNWhY5NlJlxZKt/lMnIRuL6TRfJqu4ieDApWQdcVfJ0yPRDKAzJqmb0MgMkOtH84ZBLu9og==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/@github/auto-complete-element/-/auto-complete-element-3.5.1.tgz",
+      "integrity": "sha512-7/g6Nz6Zz4/k0m/L0n+OEO29WZcXgXwLJn7Ql02UbIMR2ClFEZIwIvvzb+3fEECOyLpFrZC/JH7Svz9RYPc+wA==",
       "dependencies": {
-        "@github/combobox-nav": "^2.0.2"
+        "@github/combobox-nav": "^2.1.7"
       }
     },
     "node_modules/@github/catalyst": {
@@ -43,9 +38,9 @@
       "integrity": "sha512-u8A+DameixqpeyHzvnJWTGj+wfiskQOYHzSiJscCWVfMkIT3rxnbHMtGh3lMthaRY21nbUOK71WcsCnCrXhBJQ=="
     },
     "node_modules/@github/clipboard-copy-element": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/@github/clipboard-copy-element/-/clipboard-copy-element-1.1.2.tgz",
-      "integrity": "sha512-L6CMrcA5we0udafvoSuRCE/Ci/3xrLWKYRGup2IlhxF771bQYsQ2EB1of182pI8ZWM4oxgwzu37+igMeoZjN/A=="
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@github/clipboard-copy-element/-/clipboard-copy-element-1.2.1.tgz",
+      "integrity": "sha512-PLccyUCnzmOQ6zrRsH66rr67iumJyP5r7ij17ezprFQAK/oA8CXhlC8LTG+xpW3cYAvnp2zCgRNTfXS8wk09Lg=="
     },
     "node_modules/@github/combobox-nav": {
       "version": "2.1.7",
@@ -62,20 +57,25 @@
       "resolved": "https://registry.npmjs.org/@github/image-crop-element/-/image-crop-element-5.0.0.tgz",
       "integrity": "sha512-Vgm2OwWAs1ESoib/t5sjxsAYo6YTOxxAjWDRxswX7qrqoyCejTZ3hshdo4Ep5e+Mz/GVTZC3rdMtg06dk/eT4g=="
     },
+    "node_modules/@github/include-fragment-element": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/@github/include-fragment-element/-/include-fragment-element-6.3.0.tgz",
+      "integrity": "sha512-BJTt8ZE/arsbC9lQtTH8c1hZS0ZigiN+kzH54ffQ6MhHLT83h0OpSdS9NEVocPl2uuO6w3qxnEKTDzUGMQ5rdQ=="
+    },
     "node_modules/@github/mini-throttle": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-2.1.0.tgz",
-      "integrity": "sha512-iEeR2OdVCPkdIPUszL8gJnKNu4MR8ANh7y0u/LPyaatYezgaWxUZEzhFntloqQq+HE6MZkFy+cl+xzCNuljOdw=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-2.1.1.tgz",
+      "integrity": "sha512-KtOPaB+FiKJ6jcKm9UKyaM5fPURHGf+xcp+b4Mzoi81hOc6M1sIGpMZMAVbNzfa2lW5+RPGKq888Px0j76OZ/A=="
     },
     "node_modules/@github/relative-time-element": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/@github/relative-time-element/-/relative-time-element-4.2.4.tgz",
-      "integrity": "sha512-18qgH9FYUHYN9K3z4s35auDHww1dKTU6TacI8JkA5OuvHVa1lTMuSTZ4hIoJngD5+mizcoRMOs6p/yZYMIjsyg=="
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/@github/relative-time-element/-/relative-time-element-4.3.0.tgz",
+      "integrity": "sha512-+tFjX9//HRS1HnBa5cNgfEtE52arwiutYg1TOF+Trk40SPxst9Q8Rtc3BKD6aKsvfbtub68vfhipgchGjj9o7g=="
     },
     "node_modules/@github/tab-container-element": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/@github/tab-container-element/-/tab-container-element-3.2.0.tgz",
-      "integrity": "sha512-to5ZJuywKK3KX53X1ifOcWjvUTQcBGdQ6Qkhm8L97xQ3ovICag1048M3YMpc+QSdr8xWeCBMnLeMnENqotB0Og=="
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@github/tab-container-element/-/tab-container-element-3.3.0.tgz",
+      "integrity": "sha512-vHlN/GXgaJFJhh4oUYRh1pc4RAqduKlQOrEjVgSxR4JhLXsQcZ/hKWfCsRZAuZbSPzUGEYvggdieamS4FRSe4g=="
     },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.3.2",
@@ -141,25 +141,25 @@
       "integrity": "sha512-Hcv+nVC0kZnQ3tD9GVu5xSMR4VVYOteQIr/hwFPVEvPdlXqgGEuRjiheChHgdM+JyqdgNcmzZOX/tnl0JOiI7A=="
     },
     "node_modules/@oddbird/popover-polyfill": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/@oddbird/popover-polyfill/-/popover-polyfill-0.0.10.tgz",
-      "integrity": "sha512-jkfX/35EsxDe9ruTx3He59FyE+y5WDF5S4YJ7TABj0c8egHV2FLeADavknvr12CnSu0QTybv9ufKfPJDsYZYNw=="
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@oddbird/popover-polyfill/-/popover-polyfill-0.2.2.tgz",
+      "integrity": "sha512-ko7x+PDZA9bHwA6hSfxjL1IhBP91JukfZq/NAe85u9rT0akFn9RKvSXymX/mS7S2mfNjE+Zw9JdLUPGvPabQAA=="
     },
     "node_modules/@primer/behaviors": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/@primer/behaviors/-/behaviors-1.3.3.tgz",
-      "integrity": "sha512-iHMRuu8YWDJIdqCi1krx0cyFNeqszNKTOb0dXFu2wQ5BeIqxqPJLD7rjZ2Vjf/+YaPSbWuIQE1H6TaGMMsDfdA=="
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/@primer/behaviors/-/behaviors-1.3.5.tgz",
+      "integrity": "sha512-HWwz+6MrfK5NTWcg9GdKFpMBW/yrAV937oXiw2eDtsd88P3SRwoCt6ZO6QmKp9RP3nDU9cbqmuGZ0xBh0eIFeg=="
     },
     "node_modules/@primer/css": {
-      "version": "21.0.7",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-21.0.7.tgz",
-      "integrity": "sha512-Iq0VkpLVZqHZTo2JOIv+RPVu3bWj/BU/MIZrNZ4GRTJTY0YFQ/YCmUYKY1swgiCiPF/RKew5xIkf1cWaqtkQEA==",
+      "version": "21.0.8",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-21.0.8.tgz",
+      "integrity": "sha512-nyJnLwNvqZKN9t2ho0ccTKV5Z9QOQayZT+lycWCwkPmNOyMfGlod8mLFHLYd80Ea7H5784QeOl2+3gh710Yt/g==",
       "dependencies": {
-        "@primer/primitives": "^7.11.12",
-        "@primer/view-components": "^0.1.0"
+        "@primer/primitives": "^7.12.0",
+        "@primer/view-components": "^0.5.1"
       },
       "engines": {
-        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+        "node": ">=16.0.0"
       }
     },
     "node_modules/@primer/primitives": {
@@ -168,9 +168,9 @@
       "integrity": "sha512-QKNxfWm7Ik1Ulswyp3KeUL2xnQj8i0E7DdB6lOrh29o7LgyuutwcOHi4CGapBIOR1fYURu+yROSTHQ2C2aDK7A=="
     },
     "node_modules/@primer/view-components": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/@primer/view-components/-/view-components-0.1.4.tgz",
-      "integrity": "sha512-Z5rqs84o7Qox0pEMe5LJW5C/Pgn/YMV7cRjaWJxwvPrlMGtBIk1ds7IcgymcEH2DY/6Jvsm4WQIEwA2AIiHVlg==",
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/@primer/view-components/-/view-components-0.5.1.tgz",
+      "integrity": "sha512-TI51R4rVobwK6sWRhu7HRHC6yxud2I9P1sYN6o/fHhIq7QU31mJyv1PtD8nfhmOqN/SsRC6q3pnCbh5Qt1wD/g==",
       "dependencies": {
         "@github/auto-check-element": "^5.2.0",
         "@github/auto-complete-element": "^3.3.4",
@@ -178,22 +178,22 @@
         "@github/clipboard-copy-element": "^1.1.2",
         "@github/details-menu-element": "^1.0.12",
         "@github/image-crop-element": "^5.0.0",
-        "@github/mini-throttle": "^2.1.0",
+        "@github/include-fragment-element": "^6.1.1",
         "@github/relative-time-element": "^4.0.0",
         "@github/tab-container-element": "^3.1.2",
-        "@oddbird/popover-polyfill": "^0.0.10",
-        "@primer/behaviors": "^1.2.0"
+        "@oddbird/popover-polyfill": "^0.2.1",
+        "@primer/behaviors": "^1.3.4"
       }
     },
     "node_modules/@rails/actioncable": {
-      "version": "7.0.6",
-      "resolved": "https://registry.npmjs.org/@rails/actioncable/-/actioncable-7.0.6.tgz",
-      "integrity": "sha512-ybBsUrIsu5geM8BtqnpM7ZA9D8uzSz+e1B4JR57NaCmasHKWap6AX5DT7NHIbp21opVet1qqoVSdsoLDqXeB2A=="
+      "version": "7.0.7",
+      "resolved": "https://registry.npmjs.org/@rails/actioncable/-/actioncable-7.0.7.tgz",
+      "integrity": "sha512-NqHf4XDkeVaNk/r+TBo2aAMkjPyRPEfZkSqCTijfWukW1zTZ2XLDfvFzbpRCuWZ6gxItgoa/FkILZm27HRh2yg=="
     },
     "node_modules/@rails/ujs": {
-      "version": "7.0.6",
-      "resolved": "https://registry.npmjs.org/@rails/ujs/-/ujs-7.0.6.tgz",
-      "integrity": "sha512-s5v3AC6AywOIFMz0RIMW83Xc8FPIvKMkP3ZHFlM4ISNkhdUwP9HdhVtxxo6z3dIhe9vI0Our2A8kN/QpUV02Qg=="
+      "version": "7.0.7",
+      "resolved": "https://registry.npmjs.org/@rails/ujs/-/ujs-7.0.7.tgz",
+      "integrity": "sha512-J2v5Ca7HgejO7diGKiDylaVDQKmbQ5FJih6Oo3hXuBKEuXlcaccJu64lj8MNVLaPVyZx0g4gaOQZQz95QEb/hg=="
     },
     "node_modules/@types/body-parser": {
       "version": "1.19.2",
@@ -3066,26 +3066,19 @@
   },
   "dependencies": {
     "@github/auto-check-element": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/@github/auto-check-element/-/auto-check-element-5.2.0.tgz",
-      "integrity": "sha512-YODZZUSeoZVJQ04p73MAohrEK37SJlVRDUTaFiPYse9K3z3bNEm+ekq5qYCIyDKGgX7hUhr3WZF35qHxr/zu0Q==",
+      "version": "5.4.1",
+      "resolved": "https://registry.npmjs.org/@github/auto-check-element/-/auto-check-element-5.4.1.tgz",
+      "integrity": "sha512-AJeHV1ifpby5Hp2wJIzcsdIB5YAq869F7ilNv2GygTVpHOSCfYSS29/hJ5GGTLgfKpPRgTmJcMi5OetKR8eH1g==",
       "requires": {
-        "@github/mini-throttle": "^1.0.7"
-      },
-      "dependencies": {
-        "@github/mini-throttle": {
-          "version": "1.0.7",
-          "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-1.0.7.tgz",
-          "integrity": "sha512-1fzCDXpxI4J59pNmO0r0Y1g+R8Sa2B5ersce8AuFu5STMu7b++9osdedK0zWduYowBIgsPQZihJBN19WrAF64g=="
-        }
+        "@github/mini-throttle": "^2.1.0"
       }
     },
     "@github/auto-complete-element": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/@github/auto-complete-element/-/auto-complete-element-3.4.0.tgz",
-      "integrity": "sha512-iJ5D/0rwhPnoGPqFNWhY5NlJlxZKt/lMnIRuL6TRfJqu4ieDApWQdcVfJ0yPRDKAzJqmb0MgMkOtH84ZBLu9og==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/@github/auto-complete-element/-/auto-complete-element-3.5.1.tgz",
+      "integrity": "sha512-7/g6Nz6Zz4/k0m/L0n+OEO29WZcXgXwLJn7Ql02UbIMR2ClFEZIwIvvzb+3fEECOyLpFrZC/JH7Svz9RYPc+wA==",
       "requires": {
-        "@github/combobox-nav": "^2.0.2"
+        "@github/combobox-nav": "^2.1.7"
       }
     },
     "@github/catalyst": {
@@ -3094,9 +3087,9 @@
       "integrity": "sha512-u8A+DameixqpeyHzvnJWTGj+wfiskQOYHzSiJscCWVfMkIT3rxnbHMtGh3lMthaRY21nbUOK71WcsCnCrXhBJQ=="
     },
     "@github/clipboard-copy-element": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/@github/clipboard-copy-element/-/clipboard-copy-element-1.1.2.tgz",
-      "integrity": "sha512-L6CMrcA5we0udafvoSuRCE/Ci/3xrLWKYRGup2IlhxF771bQYsQ2EB1of182pI8ZWM4oxgwzu37+igMeoZjN/A=="
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@github/clipboard-copy-element/-/clipboard-copy-element-1.2.1.tgz",
+      "integrity": "sha512-PLccyUCnzmOQ6zrRsH66rr67iumJyP5r7ij17ezprFQAK/oA8CXhlC8LTG+xpW3cYAvnp2zCgRNTfXS8wk09Lg=="
     },
     "@github/combobox-nav": {
       "version": "2.1.7",
@@ -3113,20 +3106,25 @@
       "resolved": "https://registry.npmjs.org/@github/image-crop-element/-/image-crop-element-5.0.0.tgz",
       "integrity": "sha512-Vgm2OwWAs1ESoib/t5sjxsAYo6YTOxxAjWDRxswX7qrqoyCejTZ3hshdo4Ep5e+Mz/GVTZC3rdMtg06dk/eT4g=="
     },
+    "@github/include-fragment-element": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/@github/include-fragment-element/-/include-fragment-element-6.3.0.tgz",
+      "integrity": "sha512-BJTt8ZE/arsbC9lQtTH8c1hZS0ZigiN+kzH54ffQ6MhHLT83h0OpSdS9NEVocPl2uuO6w3qxnEKTDzUGMQ5rdQ=="
+    },
     "@github/mini-throttle": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-2.1.0.tgz",
-      "integrity": "sha512-iEeR2OdVCPkdIPUszL8gJnKNu4MR8ANh7y0u/LPyaatYezgaWxUZEzhFntloqQq+HE6MZkFy+cl+xzCNuljOdw=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@github/mini-throttle/-/mini-throttle-2.1.1.tgz",
+      "integrity": "sha512-KtOPaB+FiKJ6jcKm9UKyaM5fPURHGf+xcp+b4Mzoi81hOc6M1sIGpMZMAVbNzfa2lW5+RPGKq888Px0j76OZ/A=="
     },
     "@github/relative-time-element": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/@github/relative-time-element/-/relative-time-element-4.2.4.tgz",
-      "integrity": "sha512-18qgH9FYUHYN9K3z4s35auDHww1dKTU6TacI8JkA5OuvHVa1lTMuSTZ4hIoJngD5+mizcoRMOs6p/yZYMIjsyg=="
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/@github/relative-time-element/-/relative-time-element-4.3.0.tgz",
+      "integrity": "sha512-+tFjX9//HRS1HnBa5cNgfEtE52arwiutYg1TOF+Trk40SPxst9Q8Rtc3BKD6aKsvfbtub68vfhipgchGjj9o7g=="
     },
     "@github/tab-container-element": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/@github/tab-container-element/-/tab-container-element-3.2.0.tgz",
-      "integrity": "sha512-to5ZJuywKK3KX53X1ifOcWjvUTQcBGdQ6Qkhm8L97xQ3ovICag1048M3YMpc+QSdr8xWeCBMnLeMnENqotB0Og=="
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@github/tab-container-element/-/tab-container-element-3.3.0.tgz",
+      "integrity": "sha512-vHlN/GXgaJFJhh4oUYRh1pc4RAqduKlQOrEjVgSxR4JhLXsQcZ/hKWfCsRZAuZbSPzUGEYvggdieamS4FRSe4g=="
     },
     "@jridgewell/gen-mapping": {
       "version": "0.3.2",
@@ -3183,22 +3181,22 @@
       "integrity": "sha512-Hcv+nVC0kZnQ3tD9GVu5xSMR4VVYOteQIr/hwFPVEvPdlXqgGEuRjiheChHgdM+JyqdgNcmzZOX/tnl0JOiI7A=="
     },
     "@oddbird/popover-polyfill": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/@oddbird/popover-polyfill/-/popover-polyfill-0.0.10.tgz",
-      "integrity": "sha512-jkfX/35EsxDe9ruTx3He59FyE+y5WDF5S4YJ7TABj0c8egHV2FLeADavknvr12CnSu0QTybv9ufKfPJDsYZYNw=="
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@oddbird/popover-polyfill/-/popover-polyfill-0.2.2.tgz",
+      "integrity": "sha512-ko7x+PDZA9bHwA6hSfxjL1IhBP91JukfZq/NAe85u9rT0akFn9RKvSXymX/mS7S2mfNjE+Zw9JdLUPGvPabQAA=="
     },
     "@primer/behaviors": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/@primer/behaviors/-/behaviors-1.3.3.tgz",
-      "integrity": "sha512-iHMRuu8YWDJIdqCi1krx0cyFNeqszNKTOb0dXFu2wQ5BeIqxqPJLD7rjZ2Vjf/+YaPSbWuIQE1H6TaGMMsDfdA=="
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/@primer/behaviors/-/behaviors-1.3.5.tgz",
+      "integrity": "sha512-HWwz+6MrfK5NTWcg9GdKFpMBW/yrAV937oXiw2eDtsd88P3SRwoCt6ZO6QmKp9RP3nDU9cbqmuGZ0xBh0eIFeg=="
     },
     "@primer/css": {
-      "version": "21.0.7",
-      "resolved": "https://registry.npmjs.org/@primer/css/-/css-21.0.7.tgz",
-      "integrity": "sha512-Iq0VkpLVZqHZTo2JOIv+RPVu3bWj/BU/MIZrNZ4GRTJTY0YFQ/YCmUYKY1swgiCiPF/RKew5xIkf1cWaqtkQEA==",
+      "version": "21.0.8",
+      "resolved": "https://registry.npmjs.org/@primer/css/-/css-21.0.8.tgz",
+      "integrity": "sha512-nyJnLwNvqZKN9t2ho0ccTKV5Z9QOQayZT+lycWCwkPmNOyMfGlod8mLFHLYd80Ea7H5784QeOl2+3gh710Yt/g==",
       "requires": {
-        "@primer/primitives": "^7.11.12",
-        "@primer/view-components": "^0.1.0"
+        "@primer/primitives": "^7.12.0",
+        "@primer/view-components": "^0.5.1"
       }
     },
     "@primer/primitives": {
@@ -3207,9 +3205,9 @@
       "integrity": "sha512-QKNxfWm7Ik1Ulswyp3KeUL2xnQj8i0E7DdB6lOrh29o7LgyuutwcOHi4CGapBIOR1fYURu+yROSTHQ2C2aDK7A=="
     },
     "@primer/view-components": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/@primer/view-components/-/view-components-0.1.4.tgz",
-      "integrity": "sha512-Z5rqs84o7Qox0pEMe5LJW5C/Pgn/YMV7cRjaWJxwvPrlMGtBIk1ds7IcgymcEH2DY/6Jvsm4WQIEwA2AIiHVlg==",
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/@primer/view-components/-/view-components-0.5.1.tgz",
+      "integrity": "sha512-TI51R4rVobwK6sWRhu7HRHC6yxud2I9P1sYN6o/fHhIq7QU31mJyv1PtD8nfhmOqN/SsRC6q3pnCbh5Qt1wD/g==",
       "requires": {
         "@github/auto-check-element": "^5.2.0",
         "@github/auto-complete-element": "^3.3.4",
@@ -3217,22 +3215,22 @@
         "@github/clipboard-copy-element": "^1.1.2",
         "@github/details-menu-element": "^1.0.12",
         "@github/image-crop-element": "^5.0.0",
-        "@github/mini-throttle": "^2.1.0",
+        "@github/include-fragment-element": "^6.1.1",
         "@github/relative-time-element": "^4.0.0",
         "@github/tab-container-element": "^3.1.2",
-        "@oddbird/popover-polyfill": "^0.0.10",
-        "@primer/behaviors": "^1.2.0"
+        "@oddbird/popover-polyfill": "^0.2.1",
+        "@primer/behaviors": "^1.3.4"
       }
     },
     "@rails/actioncable": {
-      "version": "7.0.6",
-      "resolved": "https://registry.npmjs.org/@rails/actioncable/-/actioncable-7.0.6.tgz",
-      "integrity": "sha512-ybBsUrIsu5geM8BtqnpM7ZA9D8uzSz+e1B4JR57NaCmasHKWap6AX5DT7NHIbp21opVet1qqoVSdsoLDqXeB2A=="
+      "version": "7.0.7",
+      "resolved": "https://registry.npmjs.org/@rails/actioncable/-/actioncable-7.0.7.tgz",
+      "integrity": "sha512-NqHf4XDkeVaNk/r+TBo2aAMkjPyRPEfZkSqCTijfWukW1zTZ2XLDfvFzbpRCuWZ6gxItgoa/FkILZm27HRh2yg=="
     },
     "@rails/ujs": {
-      "version": "7.0.6",
-      "resolved": "https://registry.npmjs.org/@rails/ujs/-/ujs-7.0.6.tgz",
-      "integrity": "sha512-s5v3AC6AywOIFMz0RIMW83Xc8FPIvKMkP3ZHFlM4ISNkhdUwP9HdhVtxxo6z3dIhe9vI0Our2A8kN/QpUV02Qg=="
+      "version": "7.0.7",
+      "resolved": "https://registry.npmjs.org/@rails/ujs/-/ujs-7.0.7.tgz",
+      "integrity": "sha512-J2v5Ca7HgejO7diGKiDylaVDQKmbQ5FJih6Oo3hXuBKEuXlcaccJu64lj8MNVLaPVyZx0g4gaOQZQz95QEb/hg=="
     },
     "@types/body-parser": {
       "version": "1.19.2",
diff --git a/demo/package.json b/demo/package.json
index 0ebbf9cc1d..cf5969ce1b 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -3,10 +3,10 @@
   "private": true,
   "version": "0.1.0",
   "dependencies": {
-    "@primer/css": "^21.0.7",
+    "@primer/css": "^21.0.8",
     "@primer/primitives": "7.12.0",
-    "@rails/actioncable": "^7.0.6",
-    "@rails/ujs": "^7.0.6",
+    "@rails/actioncable": "^7.0.7",
+    "@rails/ujs": "^7.0.7",
     "turbolinks": "^5.2.0",
     "webpack-dev-server": "^4.15.1"
   }
diff --git a/docs/contributors/setup.md b/docs/contributors/setup.md
index ae0d836083..7a1b43bd40 100644
--- a/docs/contributors/setup.md
+++ b/docs/contributors/setup.md
@@ -7,7 +7,7 @@ The easiest way to get started contributing to Primer ViewComponents is with [Co
 1. Clone `git@github.com:primer/view_components.git`
 2. Install [Overmind](https://github.com/DarthSim/overmind)
 3. Run `script/setup` to install dependencies
-4. Run `script/dev`, this will run the documentation site on [localhost:5400](localhost:5400) and Lookbook on [localhost:4000](localhost:5000)
+4. Run `script/dev`, this will run the Lookbook on [localhost:4000](localhost:4000)
 
 ### Lookbook
 
diff --git a/lib/primer/view_components/version.rb b/lib/primer/view_components/version.rb
index bf1a808bd3..97ccaaced2 100644
--- a/lib/primer/view_components/version.rb
+++ b/lib/primer/view_components/version.rb
@@ -5,7 +5,7 @@ module Primer
   module ViewComponents
     module VERSION
       MAJOR = 0
-      MINOR = 8
+      MINOR = 9
       PATCH = 0
 
       STRING = [MAJOR, MINOR, PATCH].join(".")
diff --git a/package-lock.json b/package-lock.json
index 988839604f..a8d3aa356d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@primer/view-components",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@primer/view-components",
-      "version": "0.8.0",
+      "version": "0.9.0",
       "license": "MIT",
       "dependencies": {
         "@github/auto-check-element": "^5.2.0",
diff --git a/package.json b/package.json
index 64ceb0cfb0..44b2e714df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@primer/view-components",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "description": "ViewComponents for the Primer Design System",
   "main": "app/assets/javascripts/primer_view_components.js",
   "module": "app/components/primer/primer.js",
diff --git a/previews/primer/alpha/overlay_preview.rb b/previews/primer/alpha/overlay_preview.rb
index 22db3ed19f..8d70a1d430 100644
--- a/previews/primer/alpha/overlay_preview.rb
+++ b/previews/primer/alpha/overlay_preview.rb
@@ -164,6 +164,11 @@ def middle_of_page_with_relative_container(title: "Test Overlay", subtitle: nil,
                              })
       end
 
+      # @label In an ActionMenu
+      def in_an_action_menu()
+        render_with_template(locals: {})
+      end
+
       # @label Dialog with header and footer
       #
       def dialog_with_header_footer
diff --git a/previews/primer/alpha/overlay_preview/in_an_action_menu.html.erb b/previews/primer/alpha/overlay_preview/in_an_action_menu.html.erb
new file mode 100644
index 0000000000..8b9c614fd6
--- /dev/null
+++ b/previews/primer/alpha/overlay_preview/in_an_action_menu.html.erb
@@ -0,0 +1,13 @@
+<%= render(Primer::Alpha::ActionMenu.new()) do |menu| %>
+  <% menu.with_show_button { "Menu" } %>
+  <% menu.with_item(label: "Open Overlay", content_arguments: { id: "overlay-show-my-overlay", popovertarget: "my-overlay" }) %>
+<% end %>
+<%= render(Primer::Alpha::Overlay.new(
+  id: "my-overlay",
+  title: "An overlay",
+  role: :dialog,
+  popover: "manual",
+)) do |d| %>
+  <% d.with_header(title: "An overlay") %>
+  <% d.with_body { "This is an overlay" } %>
+<% end %>
diff --git a/static/info_arch.json b/static/info_arch.json
index 8d42cdb92a..63f9010bfb 100644
--- a/static/info_arch.json
+++ b/static/info_arch.json
@@ -5910,6 +5910,19 @@
           ]
         }
       },
+      {
+        "preview_path": "primer/alpha/overlay/in_an_action_menu",
+        "name": "in_an_action_menu",
+        "snapshot": "false",
+        "skip_rules": {
+          "wont_fix": [
+            "region"
+          ],
+          "will_fix": [
+            "color-contrast"
+          ]
+        }
+      },
       {
         "preview_path": "primer/alpha/overlay/dialog_with_header_footer",
         "name": "dialog_with_header_footer",
diff --git a/static/previews.json b/static/previews.json
index 979e4c6f4a..c7b453b0e8 100644
--- a/static/previews.json
+++ b/static/previews.json
@@ -4417,6 +4417,19 @@
           ]
         }
       },
+      {
+        "preview_path": "primer/alpha/overlay/in_an_action_menu",
+        "name": "in_an_action_menu",
+        "snapshot": "false",
+        "skip_rules": {
+          "wont_fix": [
+            "region"
+          ],
+          "will_fix": [
+            "color-contrast"
+          ]
+        }
+      },
       {
         "preview_path": "primer/alpha/overlay/dialog_with_header_footer",
         "name": "dialog_with_header_footer",
diff --git a/test/components/alpha/action_bar_test.rb b/test/components/alpha/action_bar_test.rb
new file mode 100644
index 0000000000..cb409b315e
--- /dev/null
+++ b/test/components/alpha/action_bar_test.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require "components/test_helper"
+
+module Primer
+  module Alpha
+    class ActionBarTest < Minitest::Test
+      include Primer::ComponentTestHelpers
+
+      def test_renders_action_menu_items_with_type_button
+        render_preview(:default)
+
+        assert_selector("action-menu[data-target=\"action-bar.moreMenu\"]", visible: :hidden) do
+          assert_selector("button[type=\"button\"]")
+        end
+      end
+    end
+  end
+end