diff --git a/feature-group-definitions/flexbox.yml b/feature-group-definitions/flexbox.yml
index 90c863be9ba..fdb54b073d8 100644
--- a/feature-group-definitions/flexbox.yml
+++ b/feature-group-definitions/flexbox.yml
@@ -1,3 +1,57 @@
 spec: https://drafts.csswg.org/css-flexbox-1/
 caniuse: flexbox
 usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/1692
+status:
+  is_baseline: true
+  since: "2020-10-20"
+  support:
+    chrome: "57"
+    edge: "79"
+    firefox: "81"
+    safari: "9"
+compat_features:
+  - css.properties.align-content.flex_context
+  # - css.properties.align-content.flex_context.center
+  # - css.properties.align-content.flex_context.flex-end
+  # - css.properties.align-content.flex_context.flex-start
+  # - css.properties.align-content.flex_context.space-around
+  # - css.properties.align-content.flex_context.space-between
+  - css.properties.align-content.flex_context.stretch
+  - css.properties.align-items.flex_context
+  - css.properties.align-items.flex_context.baseline
+  # - css.properties.align-items.flex_context.center
+  # - css.properties.align-items.flex_context.flex-end
+  # - css.properties.align-items.flex_context.flex-start
+  # - css.properties.align-items.flex_context.stretch
+  - css.properties.align-self.flex_context
+  # - css.properties.align-self.flex_context.auto
+  - css.properties.align-self.flex_context.baseline
+  # - css.properties.align-self.flex_context.center
+  # - css.properties.align-self.flex_context.flex-end
+  # - css.properties.align-self.flex_context.flex-start
+  - css.properties.align-self.flex_context.stretch
+  - css.properties.display.flex
+  - css.properties.display.inline-flex
+  - css.properties.flex
+  - css.properties.flex-basis
+  - css.properties.flex-basis.content
+  - css.properties.flex-direction
+  # - css.properties.flex-direction.column
+  # - css.properties.flex-direction.column-reverse
+  # - css.properties.flex-direction.row
+  # - css.properties.flex-direction.row-reverse
+  - css.properties.flex-flow
+  - css.properties.flex-grow
+  - css.properties.flex-shrink
+  - css.properties.flex-wrap
+  # - css.properties.flex-wrap.nowrap
+  # - css.properties.flex-wrap.wrap
+  # - css.properties.flex-wrap.wrap-reverse
+  - css.properties.justify-content.flex_context
+  # - css.properties.justify-content.flex_context.center
+  # - css.properties.justify-content.flex_context.flex-end
+  # - css.properties.justify-content.flex_context.flex-start
+  # - css.properties.justify-content.flex_context.space-around
+  # - css.properties.justify-content.flex_context.space-between
+  - css.properties.justify-content.flex_context.stretch
+  - css.properties.order