diff --git a/features/focus-within.yml b/features/focus-within.yml
new file mode 100644
index 00000000000..3228af21214
--- /dev/null
+++ b/features/focus-within.yml
@@ -0,0 +1,7 @@
+name: :focus-within
+description: "The `:focus-within` CSS pseudo-class matches an element if the element or any of its children are focused."
+spec: https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo
+caniuse: css-focus-within
+group: selectors
+compat_features:
+  - css.selectors.focus-within
diff --git a/features/focus-within.yml.dist b/features/focus-within.yml.dist
new file mode 100644
index 00000000000..b1cd1795585
--- /dev/null
+++ b/features/focus-within.yml.dist
@@ -0,0 +1,17 @@
+# Generated from: focus-within.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2020-01-15
+  baseline_high_date: 2022-07-15
+  support:
+    chrome: "60"
+    chrome_android: "60"
+    edge: "79"
+    firefox: "52"
+    firefox_android: "52"
+    safari: "10.1"
+    safari_ios: "10.3"
+compat_features:
+  - css.selectors.focus-within
diff --git a/features/form-validity-pseudos.yml b/features/form-validity-pseudos.yml
new file mode 100644
index 00000000000..e3039ab7c90
--- /dev/null
+++ b/features/form-validity-pseudos.yml
@@ -0,0 +1,18 @@
+name: Form validity pseudo-classes
+description: "The form validity CSS pseudo-classes match `<form>` elements based on the constraints of a form field, such as validity (`:valid`, `:invalid`, `:in-range`, `:out-of-range`) and necessity (`:optional` or `:required`)."
+spec: https://drafts.csswg.org/selectors-4/#ui-validity
+caniuse:
+  - css-optional-pseudo
+  - css-in-out-of-range
+group: selectors
+status:
+  compute_from: css.selectors.optional
+compat_features:
+  - css.selectors.invalid.form
+  - css.selectors.valid.form
+  - css.selectors.invalid
+  - css.selectors.optional
+  - css.selectors.required
+  - css.selectors.valid
+  - css.selectors.in-range
+  - css.selectors.out-of-range
diff --git a/features/form-validity-pseudos.yml.dist b/features/form-validity-pseudos.yml.dist
new file mode 100644
index 00000000000..77f2493141e
--- /dev/null
+++ b/features/form-validity-pseudos.yml.dist
@@ -0,0 +1,60 @@
+# Generated from: form-validity-pseudos.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: "10"
+    chrome_android: "18"
+    edge: "12"
+    firefox: "4"
+    firefox_android: "4"
+    safari: "5"
+    safari_ios: "5"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "10"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "4"
+  #   firefox_android: "4"
+  #   safari: "5"
+  #   safari_ios: "5"
+  - css.selectors.invalid
+  - css.selectors.optional
+  - css.selectors.required
+  - css.selectors.valid
+
+  # baseline: high
+  # baseline_low_date: 2015-11-12
+  # baseline_high_date: 2018-05-12
+  # support:
+  #   chrome: "10"
+  #   chrome_android: "18"
+  #   edge: "13"
+  #   firefox: "29"
+  #   firefox_android: "16"
+  #   safari: "5.1"
+  #   safari_ios: "5"
+  - css.selectors.in-range
+  - css.selectors.out-of-range
+
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "40"
+  #   chrome_android: "40"
+  #   edge: "79"
+  #   firefox: "13"
+  #   firefox_android: "14"
+  #   safari: "9"
+  #   safari_ios: "9"
+  - css.selectors.invalid.form
+  - css.selectors.valid.form
diff --git a/features/link-selectors.yml b/features/link-selectors.yml
new file mode 100644
index 00000000000..f96e1702050
--- /dev/null
+++ b/features/link-selectors.yml
@@ -0,0 +1,15 @@
+name: Link selectors
+description: The `:link` CSS pseudo-class matches unvisited links, `:visited` matches visited links, and `:any-link` matches both.
+spec: https://drafts.csswg.org/selectors-4/#location
+caniuse: css-any-link
+group: selectors
+status:
+  compute_from: css.selectors.any-link
+compat_features:
+  - css.selectors.any-link
+  - css.selectors.any-link.not_match_link
+  - css.selectors.link
+  - css.selectors.link.not_match_link
+  - css.selectors.visited
+  - css.selectors.visited.not_match_link
+  - css.selectors.visited.privacy_measures
diff --git a/features/link-selectors.yml.dist b/features/link-selectors.yml.dist
new file mode 100644
index 00000000000..3e3e1aa0b8c
--- /dev/null
+++ b/features/link-selectors.yml.dist
@@ -0,0 +1,95 @@
+# Generated from: link-selectors.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2020-01-15
+  baseline_high_date: 2022-07-15
+  support:
+    chrome: "65"
+    chrome_android: "65"
+    edge: "79"
+    firefox: "50"
+    firefox_android: "50"
+    safari: "9"
+    safari_ios: "9"
+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"
+  - css.selectors.visited
+
+  # 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: "3.2"
+  - css.selectors.link
+
+  # baseline: high
+  # baseline_low_date: 2015-07-29
+  # baseline_high_date: 2018-01-29
+  # support:
+  #   chrome: "6"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "4"
+  #   firefox_android: "4"
+  #   safari: "5"
+  #   safari_ios: "4.2"
+  - css.selectors.visited.privacy_measures
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "65"
+  #   chrome_android: "65"
+  #   edge: "79"
+  #   firefox: "50"
+  #   firefox_android: "50"
+  #   safari: "9"
+  #   safari_ios: "9"
+  - css.selectors.any-link
+
+  # baseline: high
+  # baseline_low_date: 2021-09-20
+  # baseline_high_date: 2024-03-20
+  # support:
+  #   chrome: "1"
+  #   chrome_android: "18"
+  #   edge: "12"
+  #   firefox: "87"
+  #   firefox_android: "87"
+  #   safari: "15"
+  #   safari_ios: "15"
+  - css.selectors.link.not_match_link
+  - css.selectors.visited.not_match_link
+
+  # baseline: high
+  # baseline_low_date: 2021-09-20
+  # baseline_high_date: 2024-03-20
+  # support:
+  #   chrome: "65"
+  #   chrome_android: "65"
+  #   edge: "79"
+  #   firefox: "87"
+  #   firefox_android: "87"
+  #   safari: "15"
+  #   safari_ios: "15"
+  - css.selectors.any-link.not_match_link
diff --git a/features/scope-pseudo.yml b/features/scope-pseudo.yml
new file mode 100644
index 00000000000..e85437334c2
--- /dev/null
+++ b/features/scope-pseudo.yml
@@ -0,0 +1,7 @@
+name: :scope (pseudo-class)
+description: The `:scope` CSS pseudo-class matches the scoping root, for instance the element that `querySelector()` is called on, or the root of a DOM subtree specified with `@scope`.
+spec: https://drafts.csswg.org/selectors-4/#the-scope-pseudo
+group: selectors
+compat_features:
+  - css.selectors.scope
+  - css.selectors.scope.dom_api
diff --git a/features/scope-pseudo.yml.dist b/features/scope-pseudo.yml.dist
new file mode 100644
index 00000000000..2b4b0fffae5
--- /dev/null
+++ b/features/scope-pseudo.yml.dist
@@ -0,0 +1,18 @@
+# Generated from: scope-pseudo.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: high
+  baseline_low_date: 2020-01-15
+  baseline_high_date: 2022-07-15
+  support:
+    chrome: "27"
+    chrome_android: "27"
+    edge: "79"
+    firefox: "32"
+    firefox_android: "32"
+    safari: "7"
+    safari_ios: "7"
+compat_features:
+  - css.selectors.scope
+  - css.selectors.scope.dom_api