diff --git a/features/scroll-marker-targets.yml b/features/scroll-marker-targets.yml
new file mode 100644
index 00000000000..f4880ea2777
--- /dev/null
+++ b/features/scroll-marker-targets.yml
@@ -0,0 +1,8 @@
+name: Scroll marker target pseudo-classes
+description: The `:target-current` CSS pseudo-class selects the active scroll marker (as in `::scroll-marker`), while the `:target-after` and `:target-before` pseudo-classes select the inactive markers preceding and following the active scroll marker.
+spec: https://drafts.csswg.org/css-overflow-5/#active-before-after-scroll-markers
+group: scroll-markers
+compat_features:
+  - css.selectors.target-before
+  - css.selectors.target-current
+  - css.selectors.target-after
diff --git a/features/scroll-marker-targets.yml.dist b/features/scroll-marker-targets.yml.dist
new file mode 100644
index 00000000000..d5d5d787e50
--- /dev/null
+++ b/features/scroll-marker-targets.yml.dist
@@ -0,0 +1,22 @@
+# Generated from: scroll-marker-targets.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "142"
+    edge: "142"
+compat_features:
+  # baseline: false
+  # support:
+  #   chrome: "142"
+  #   chrome_android: "142"
+  #   edge: "142"
+  - css.selectors.target-after
+  - css.selectors.target-before
+
+  # baseline: false
+  # support:
+  #   chrome: "135"
+  #   edge: "135"
+  - css.selectors.target-current
diff --git a/features/scroll-markers.yml b/features/scroll-markers.yml
index db4a2758c97..b59531652af 100644
--- a/features/scroll-markers.yml
+++ b/features/scroll-markers.yml
@@ -1,7 +1,7 @@
 name: Scroll markers
-description: A scroll container can be navigated by activating `::scroll-marker` pseudo-elements which appear in a generated `::scroll-marker-group` pseudo-element, either before or after the scroll container.
+description: A scroll marker scrolls a container to a scroll target. The `::scroll-marker` CSS pseudo-element selects a scroll marker in a `::scroll-marker-group` pseudo-element, generated before or after the scroll container. You can use them to navigate and style tables of contents, tab panels, and carousels.
 spec: https://drafts.csswg.org/css-overflow-5/#scroll-markers
-group: scrolling
+group: scroll-markers
 compat_features:
   - css.selectors.scroll-marker
   - css.selectors.scroll-marker-group
diff --git a/features/scroll-target-group.yml b/features/scroll-target-group.yml
new file mode 100644
index 00000000000..7ff9c995c0c
--- /dev/null
+++ b/features/scroll-target-group.yml
@@ -0,0 +1,11 @@
+name: scroll-target-group
+description: >
+  The `scroll-target-group` CSS property sets the container where anchor links act as scroll markers.
+  Using selectors such as `:target-current`, you can style elements when a target has scrolled into view.
+  It's an alternative to the `::scroll-marker-group` pseudo-element, which generates scroll markers.
+spec: https://drafts.csswg.org/css-overflow-5/#scroll-target-group
+group: scroll-markers
+compat_features:
+  - css.properties.scroll-target-group
+  - css.properties.scroll-target-group.auto
+  - css.properties.scroll-target-group.none
diff --git a/features/scroll-target-group.yml.dist b/features/scroll-target-group.yml.dist
new file mode 100644
index 00000000000..f78e01bcde7
--- /dev/null
+++ b/features/scroll-target-group.yml.dist
@@ -0,0 +1,13 @@
+# Generated from: scroll-target-group.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "140"
+    chrome_android: "140"
+    edge: "140"
+compat_features:
+  - css.properties.scroll-target-group
+  - css.properties.scroll-target-group.auto
+  - css.properties.scroll-target-group.none
diff --git a/groups/scroll-markers.yml b/groups/scroll-markers.yml
new file mode 100644
index 00000000000..99facfab7d0
--- /dev/null
+++ b/groups/scroll-markers.yml
@@ -0,0 +1,7 @@
+# https://drafts.csswg.org/css-overflow-5/#scroll-markers
+name: Scroll markers
+parent: scrolling
+# The collection of things that make up scroll-markers. It's likely that all of
+# the items in this group will some day merge into the `scroll-markers` feature,
+# but until we have the machinery to represent feature merges, this is a good
+# way to find them all.