diff --git a/features/cookie-enabled.yml b/features/cookie-enabled.yml
new file mode 100644
index 00000000000..643d038abca
--- /dev/null
+++ b/features/cookie-enabled.yml
@@ -0,0 +1,5 @@
+name: cookieEnabled
+description: "The `navigator.cookieEnabled` property returns a Boolean value for whether the browser accepts or ignores attempts to write cookie data."
+spec: https://html.spec.whatwg.org/multipage/system-state.html#cookies
+compat_features:
+  - api.Navigator.cookieEnabled
diff --git a/features/cookie-enabled.yml.dist b/features/cookie-enabled.yml.dist
new file mode 100644
index 00000000000..dc6de36160a
--- /dev/null
+++ b/features/cookie-enabled.yml.dist
@@ -0,0 +1,16 @@
+# Generated from: cookie-enabled.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: low
+  baseline_low_date: 2024-09-16
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "18"
+    safari_ios: "18"
+compat_features:
+  - api.Navigator.cookieEnabled
diff --git a/features/hardware-concurrency.yml b/features/hardware-concurrency.yml
new file mode 100644
index 00000000000..f06b36e61b3
--- /dev/null
+++ b/features/hardware-concurrency.yml
@@ -0,0 +1,7 @@
+name: hardwareConcurrency
+description: "The `navigator.hardwareConcurrency` read-only property returns the number of logical processors available to run threads on the user's computer."
+spec: https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency
+caniuse: hardwareconcurrency
+compat_features:
+  - api.Navigator.hardwareConcurrency
+  - api.WorkerNavigator.hardwareConcurrency
diff --git a/features/hardware-concurrency.yml.dist b/features/hardware-concurrency.yml.dist
new file mode 100644
index 00000000000..181b882a51d
--- /dev/null
+++ b/features/hardware-concurrency.yml.dist
@@ -0,0 +1,14 @@
+# Generated from: hardware-concurrency.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "37"
+    chrome_android: "37"
+    edge: "15"
+    firefox: "48"
+    firefox_android: "48"
+compat_features:
+  - api.Navigator.hardwareConcurrency
+  - api.WorkerNavigator.hardwareConcurrency
diff --git a/features/language.yml b/features/language.yml
new file mode 100644
index 00000000000..803ea521dbe
--- /dev/null
+++ b/features/language.yml
@@ -0,0 +1,12 @@
+name: Language
+description: "The `navigator.language` read-only property returns a string representing the preferred language of the user, usually the language of the browser UI. The `navigator.languages` read-only property returns an array of strings representing the user's preferred languages."
+spec: https://html.spec.whatwg.org/multipage/system-state.html#language-preferences
+status:
+  compute_from: api.Navigator.language
+compat_features:
+  - api.Navigator.language
+  - api.Navigator.languages
+  - api.Window.languagechange_event
+  - api.WorkerGlobalScope.languagechange_event
+  - api.WorkerNavigator.language
+  - api.WorkerNavigator.languages
diff --git a/features/language.yml.dist b/features/language.yml.dist
new file mode 100644
index 00000000000..8aa3a15dc71
--- /dev/null
+++ b/features/language.yml.dist
@@ -0,0 +1,79 @@
+# Generated from: language.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "1"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: "1"
+  #   safari_ios: "1"
+  - api.Navigator.language
+
+  # baseline: high
+  # baseline_low_date: 2016-09-20
+  # baseline_high_date: 2019-03-20
+  # support:
+  #   chrome: "4"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "3.5"
+  #   firefox_android: "4"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - api.WorkerNavigator.language
+
+  # baseline: high
+  # baseline_low_date: 2017-10-17
+  # baseline_high_date: 2020-04-17
+  # support:
+  #   chrome: "37"
+  #   chrome_android: "37"
+  #   edge: "16"
+  #   firefox: "32"
+  #   firefox_android: "32"
+  #   safari: "10.1"
+  #   safari_ios: "10.3"
+  - api.Navigator.languages
+  - api.WorkerNavigator.languages
+
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "37"
+  #   chrome_android: "37"
+  #   edge: "79"
+  #   firefox: "32"
+  #   firefox_android: "4"
+  #   safari: "10.1"
+  #   safari_ios: "10.3"
+  - api.Window.languagechange_event
+
+  # baseline: false
+  # support:
+  #   chrome: "4"
+  #   chrome_android: "18"
+  #   edge: "79"
+  #   firefox: "74"
+  #   firefox_android: "79"
+  #   safari_ios: "5"
+  - api.WorkerGlobalScope.languagechange_event
diff --git a/features/navigation.yml b/features/navigation.yml
index a946c5fdc3b..11af599c2cb 100644
--- a/features/navigation.yml
+++ b/features/navigation.yml
@@ -1,18 +1,25 @@
 name: Navigation API
-description: The `navigation` API provides mechanisms to initiate, intercept, and manage browser navigation actions.
+description: The `navigation` API initiates, intercepts, or modifies browser navigation actions. Not to be confused with the `navigator` API.
 spec: https://html.spec.whatwg.org/multipage/nav-history-apis.html#navigation-api
+status:
+  compute_from: api.Navigation
 compat_features:
   - api.NavigateEvent
   - api.NavigateEvent.NavigateEvent
+  - api.NavigateEvent.canIntercept
   - api.NavigateEvent.destination
   - api.NavigateEvent.downloadRequest
   - api.NavigateEvent.formData
+  - api.NavigateEvent.hasUAVisualTransition
   - api.NavigateEvent.hashChange
   - api.NavigateEvent.info
+  - api.NavigateEvent.intercept
   - api.NavigateEvent.navigationType
+  - api.NavigateEvent.scroll
   - api.NavigateEvent.signal
   - api.NavigateEvent.userInitiated
   - api.Navigation
+  - api.Navigation.activation
   - api.Navigation.back
   - api.Navigation.canGoBack
   - api.Navigation.canGoForward
@@ -28,6 +35,10 @@ compat_features:
   - api.Navigation.transition
   - api.Navigation.traverseTo
   - api.Navigation.updateCurrentEntry
+  - api.NavigationActivation
+  - api.NavigationActivation.entry
+  - api.NavigationActivation.from
+  - api.NavigationActivation.navigationType
   - api.NavigationCurrentEntryChangeEvent
   - api.NavigationCurrentEntryChangeEvent.NavigationCurrentEntryChangeEvent
   - api.NavigationCurrentEntryChangeEvent.from
diff --git a/features/navigation.yml.dist b/features/navigation.yml.dist
index 6e91b6bcde1..19fcf5e9075 100644
--- a/features/navigation.yml.dist
+++ b/features/navigation.yml.dist
@@ -8,6 +8,12 @@ status:
     chrome_android: "102"
     edge: "102"
 compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "102"
+  #   chrome_android: "102"
+  #   edge: "102"
   - api.NavigateEvent
   - api.NavigateEvent.NavigateEvent
   - api.NavigateEvent.destination
@@ -58,3 +64,30 @@ compat_features:
   - api.NavigationTransition.from
   - api.NavigationTransition.navigationType
   - api.Window.navigation
+
+  # baseline: false
+  # support:
+  #   chrome: "105"
+  #   chrome_android: "105"
+  #   edge: "105"
+  - api.NavigateEvent.canIntercept
+  - api.NavigateEvent.intercept
+  - api.NavigateEvent.scroll
+
+  # baseline: false
+  # support:
+  #   chrome: "118"
+  #   chrome_android: "118"
+  #   edge: "118"
+  - api.NavigateEvent.hasUAVisualTransition
+
+  # baseline: false
+  # support:
+  #   chrome: "123"
+  #   chrome_android: "123"
+  #   edge: "123"
+  - api.Navigation.activation
+  - api.NavigationActivation
+  - api.NavigationActivation.entry
+  - api.NavigationActivation.from
+  - api.NavigationActivation.navigationType
diff --git a/features/navigator.yml b/features/navigator.yml
new file mode 100644
index 00000000000..7ffdbb86779
--- /dev/null
+++ b/features/navigator.yml
@@ -0,0 +1,6 @@
+name: Navigator
+description: "The window.navigator API is a generic global object, under which many other, more interesting APIs are located. It doesn't do anything interesting on its own."
+spec: https://html.spec.whatwg.org/multipage/system-state.html#the-navigator-object
+compat_features:
+  - api.Navigator
+  - api.Window.navigator
diff --git a/features/navigator.yml.dist b/features/navigator.yml.dist
new file mode 100644
index 00000000000..79ed692114e
--- /dev/null
+++ b/features/navigator.yml.dist
@@ -0,0 +1,18 @@
+# Generated from: navigator.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "1"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1"
+    firefox_android: "4"
+    safari: "1"
+    safari_ios: "1"
+compat_features:
+  - api.Navigator
+  - api.Window.navigator
diff --git a/features/online.yml b/features/online.yml
new file mode 100644
index 00000000000..83a876eb353
--- /dev/null
+++ b/features/online.yml
@@ -0,0 +1,15 @@
+name: Online status
+description: The `navigator.onLine` property returns a Boolean for whether the browser is connected to some network (though not necessarily the internet). The `online` and `offline` events fire when the connection state changes.
+spec:
+  - https://html.spec.whatwg.org/multipage/system-state.html#navigator.online
+  - https://html.spec.whatwg.org/multipage/indices.html#event-online
+caniuse: online-status
+status:
+  compute_from: api.Navigator.onLine
+compat_features:
+  - api.Navigator.onLine
+  - api.Window.offline_event
+  - api.Window.online_event
+  - api.WorkerGlobalScope.offline_event
+  - api.WorkerGlobalScope.online_event
+  - api.WorkerNavigator.onLine
diff --git a/features/online.yml.dist b/features/online.yml.dist
new file mode 100644
index 00000000000..785b7338828
--- /dev/null
+++ b/features/online.yml.dist
@@ -0,0 +1,65 @@
+# Generated from: online.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "2"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "1.5"
+    firefox_android: "4"
+    safari: "4"
+    safari_ios: "3.2"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "2"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1.5"
+  #   firefox_android: "4"
+  #   safari: "4"
+  #   safari_ios: "3.2"
+  - api.Navigator.onLine
+
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "3"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "9"
+  #   firefox_android: "9"
+  #   safari: "4"
+  #   safari_ios: "3"
+  - api.Window.offline_event
+  - api.Window.online_event
+
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "4"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "3.5"
+  #   firefox_android: "4"
+  #   safari: "4"
+  #   safari_ios: "5"
+  - api.WorkerNavigator.onLine
+
+  # baseline: false
+  # support:
+  #   firefox: "29"
+  #   firefox_android: "29"
+  #   safari: "8"
+  #   safari_ios: "8"
+  - api.WorkerGlobalScope.offline_event
+  - api.WorkerGlobalScope.online_event
diff --git a/features/pdf-viewer.yml b/features/pdf-viewer.yml
new file mode 100644
index 00000000000..51d4350317b
--- /dev/null
+++ b/features/pdf-viewer.yml
@@ -0,0 +1,5 @@
+name: pdfViewerEnabled
+description: The `navigator.pdfViewerEnabled` read-only property returns a Boolean for whether the browser navigates to and shows a PDF in the browser window or downloads the PDF.
+spec: https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewing-support
+compat_features:
+  - api.Navigator.pdfViewerEnabled
diff --git a/features/pdf-viewer.yml.dist b/features/pdf-viewer.yml.dist
new file mode 100644
index 00000000000..f6570569bbb
--- /dev/null
+++ b/features/pdf-viewer.yml.dist
@@ -0,0 +1,16 @@
+# Generated from: pdf-viewer.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: low
+  baseline_low_date: 2023-03-27
+  support:
+    chrome: "94"
+    chrome_android: "94"
+    edge: "94"
+    firefox: "99"
+    firefox_android: "99"
+    safari: "16.4"
+    safari_ios: "16.4"
+compat_features:
+  - api.Navigator.pdfViewerEnabled
diff --git a/features/registerprotocolhandler.yml b/features/registerprotocolhandler.yml
new file mode 100644
index 00000000000..d5eb39f8976
--- /dev/null
+++ b/features/registerprotocolhandler.yml
@@ -0,0 +1,6 @@
+name: registerProtocolHandler
+description: "The `navigator.registerProtocolHandler()' method declares a site's ability to handle an address scheme (also known as a protocol). For example, an email site can register to open `mailto:` URLs or a VoIP site to open `tel:` URLs."
+spec: https://html.spec.whatwg.org/multipage/system-state.html#custom-handlers
+compat_features:
+  - api.Navigator.registerProtocolHandler
+  - api.Navigator.unregisterProtocolHandler
diff --git a/features/registerprotocolhandler.yml.dist b/features/registerprotocolhandler.yml.dist
new file mode 100644
index 00000000000..2d65bad25c4
--- /dev/null
+++ b/features/registerprotocolhandler.yml.dist
@@ -0,0 +1,23 @@
+# Generated from: registerprotocolhandler.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "38"
+    edge: "79"
+compat_features:
+  # baseline: false
+  # support:
+  #   chrome: "13"
+  #   edge: "79"
+  #   firefox: "2"
+  #   firefox_android: "4"
+  - api.Navigator.registerProtocolHandler
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "38"
+  #   edge: "79"
+  - api.Navigator.unregisterProtocolHandler
diff --git a/features/user-agent-sniffing.yml b/features/user-agent-sniffing.yml
new file mode 100644
index 00000000000..c8400c88a30
--- /dev/null
+++ b/features/user-agent-sniffing.yml
@@ -0,0 +1,6 @@
+name: User agent sniffing
+description: "The `navigator.userAgent` read-only property returns the user agent string for the current browser. Selectively showing content based on the user agent string is unreliable. Consider using feature detection instead."
+spec: https://html.spec.whatwg.org/multipage/system-state.html#the-navigator-object
+compat_features:
+  - api.Navigator.userAgent
+  - api.WorkerNavigator.userAgent
diff --git a/features/user-agent-sniffing.yml.dist b/features/user-agent-sniffing.yml.dist
new file mode 100644
index 00000000000..d02511b76ee
--- /dev/null
+++ b/features/user-agent-sniffing.yml.dist
@@ -0,0 +1,42 @@
+# Generated from: user-agent-sniffing.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2015-07-29
+  baseline_high_date: 2018-01-29
+  support:
+    chrome: "4"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "3.5"
+    firefox_android: "4"
+    safari: "4"
+    safari_ios: "5"
+compat_features:
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "1"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "1"
+  #   firefox_android: "4"
+  #   safari: "1"
+  #   safari_ios: "1"
+  - api.Navigator.userAgent
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "4"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "3.5"
+  #   firefox_android: "4"
+  #   safari: "4"
+  #   safari_ios: "5"
+  - api.WorkerNavigator.userAgent