diff --git a/docs/compat.md b/docs/compat.md
index bd8721b25..6504ae544 100644
--- a/docs/compat.md
+++ b/docs/compat.md
@@ -9,6 +9,10 @@ AngularFire has a new tree-shakable API, you're looking at the documentation for
 
 [See the v7 upgrade guide for more information on this change.](version-7-upgrade.md).
 
+### Support status
+
+The compatibility API (`@angular/fire/compat/*`) is supported and is kept working on every Angular and Firebase version AngularFire supports. Its specs run in the same test suite as the modular API, and it receives bug fixes. It does not receive new features: new Firebase products and new AngularFire features land in the modular API only. There is no planned removal date. If you depend on the compatibility API, you can keep upgrading AngularFire without migrating, and migrate when the modular API offers something you need.
+
 ### Monitor usage of your application in production
 
 > `AngularFireAnalytics` provides a convenient method of interacting with Google Analytics in your Angular application. The provided `ScreenTrackingService` and `UserTrackingService` automatically log events when you're using the Angular Router or Firebase Authentication respectively. [Learn more about Google Analytics](https://firebase.google.com/docs/analytics).
diff --git a/docs/version-7-upgrade.md b/docs/version-7-upgrade.md
index 8651f50ac..a22025331 100644
--- a/docs/version-7-upgrade.md
+++ b/docs/version-7-upgrade.md
@@ -18,7 +18,7 @@ AngularFire v7.0 has a compatibility layer that supports the AngularFire v6.0 AP
 
 While not as tree-shakable as the new modular SDK, this allows you to upgrade and take advantage of the benefits of the new SDK ASAP.
 
-**Most developers can stop here for now as the new API isn't feature complete.**
+**You can stop here if the compatibility API covers your needs.** It stays supported and receives bug fixes, but new features land in the modular API only. See [the compatibility guide's support status](compat.md#support-status).
 
 ## **NEW** Modular SDK