diff --git a/api_docs/changelog.md b/api_docs/changelog.md
index 5627eaf5e7..f948a172fe 100644
--- a/api_docs/changelog.md
+++ b/api_docs/changelog.md
@@ -18,6 +18,14 @@ clients should check the `zulip_feature_level` field, present in the
 /register`](/api/register-queue) responses, to determine the API
 format used by the Zulip server that they are interacting with.
 
+## Changes in Zulip 7.5
+
+**Feature level 186**
+
+* [`POST /register`](/api/register-queue): `streams` field in the response
+  now included web-public streams as well. This change was backported from
+  Zulip 8.0, where it was introduced in feature level 205.
+
 ## Changes in Zulip 7.0
 
 **Feature level 185**
diff --git a/zerver/lib/events.py b/zerver/lib/events.py
index 6db628faf6..f0571b486c 100644
--- a/zerver/lib/events.py
+++ b/zerver/lib/events.py
@@ -565,7 +565,9 @@ def fetch_initial_state_data(
         # places.
         if user_profile is not None:
             state["streams"] = do_get_streams(
-                user_profile, include_all_active=user_profile.is_realm_admin
+                user_profile,
+                include_web_public=True,
+                include_all_active=user_profile.is_realm_admin,
             )
         else:
             # TODO: This line isn't used by the web app because it
@@ -889,7 +891,9 @@ def apply_event(
 
                     if "streams" in state:
                         state["streams"] = do_get_streams(
-                            user_profile, include_all_active=user_profile.is_realm_admin
+                            user_profile,
+                            include_web_public=True,
+                            include_all_active=user_profile.is_realm_admin,
                         )
 
                     if state["is_guest"]:
diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index 3a2db9f66a..340da3a66a 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -11559,6 +11559,9 @@ paths:
 
                           For organization administrators, this will include all private streams
                           in the organization.
+
+                          **Changes**: As of Zulip 7.5 (feature level 186), this will include all
+                          web-public streams in the organization as well.
                       realm_default_streams:
                         type: array
                         items: