From 5370c296a7371a4615e4148076b8c12b89c0089f Mon Sep 17 00:00:00 2001
From: Dave Letorey <dave@code-red.uk>
Date: Tue, 29 Jul 2025 14:49:24 +0100
Subject: [PATCH] added version_added for FF anchor-size()

---
 css/types/anchor-size.json | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/css/types/anchor-size.json b/css/types/anchor-size.json
index 4bffed50ee12a2..031d563baa4d53 100644
--- a/css/types/anchor-size.json
+++ b/css/types/anchor-size.json
@@ -16,8 +16,15 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": false,
-              "impl_url": "https://bugzil.la/1838746"
+              "version_added": "preview",
+              "flags": [
+                {
+                  "type": "preference",
+                  "name": "layout.css.anchor-positioning.enabled",
+                  "value_to_set": "true"
+                }
+              ],
+              "impl_url": "https://bugzil.la/1972610"
             },
             "firefox_android": "mirror",
             "oculus": "mirror",
@@ -50,7 +57,15 @@
               "chrome_android": "mirror",
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "preview",
+                "flags": [
+                  {
+                    "type": "preference",
+                    "name": "layout.css.anchor-positioning.enabled",
+                    "value_to_set": "true"
+                  }
+                ],
+                "impl_url": "https://bugzil.la/1972610"
               },
               "firefox_android": "mirror",
               "oculus": "mirror",