diff --git a/zerver/openapi/python_examples.py b/zerver/openapi/python_examples.py
index 15134d79a6..682fe35d3d 100644
--- a/zerver/openapi/python_examples.py
+++ b/zerver/openapi/python_examples.py
@@ -449,8 +449,8 @@ def add_realm_filter(client: Client) -> None:
 @openapi_test_function("/realm/filters/{filter_id}:patch")
 def update_realm_filter(client: Client) -> None:
     # {code_example|start}
-    # Update the linkifier (realm_filter) with ID 1
-    filter_id = 1
+    # Update the linkifier (realm_filter) with ID 4
+    filter_id = 4
     request = {
         "pattern": "#(?P<id>[0-9]+)",
         "url_template": "https://github.com/zulip/zulip/issues/{id}",
@@ -467,8 +467,8 @@ def update_realm_filter(client: Client) -> None:
 @openapi_test_function("/realm/filters/{filter_id}:delete")
 def remove_realm_filter(client: Client) -> None:
     # {code_example|start}
-    # Remove the linkifier (realm_filter) with ID 1
-    result = client.remove_realm_filter(1)
+    # Remove the linkifier (realm_filter) with ID 4
+    result = client.remove_realm_filter(4)
     # {code_example|end}
 
     validate_against_openapi_schema(result, "/realm/filters/{filter_id}", "delete", "200")
diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index 43b2bc2000..3ec6515a6c 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -10710,7 +10710,7 @@ paths:
             The ID of the linkifier that you want to update.
           schema:
             type: integer
-          example: 2
+          example: 5
           required: true
         - $ref: "#/components/parameters/LinkifierPattern"
         - $ref: "#/components/parameters/LinkifierURLTemplate"
diff --git a/zerver/tests/test_event_system.py b/zerver/tests/test_event_system.py
index 1e38591636..a86ebb728d 100644
--- a/zerver/tests/test_event_system.py
+++ b/zerver/tests/test_event_system.py
@@ -772,9 +772,9 @@ class FetchInitialStateDataTest(ZulipTestCase):
             linkifier_url_template=True,
         )
         self.assertEqual(result["realm_filters"], [])
-        self.assertEqual(result["realm_linkifiers"][0]["pattern"], "#(?P<id>[123])")
+        self.assertEqual(result["realm_linkifiers"][-1]["pattern"], "#(?P<id>[123])")
         self.assertEqual(
-            result["realm_linkifiers"][0]["url_template"],
+            result["realm_linkifiers"][-1]["url_template"],
             "https://realm.com/my_realm_filter/{id}",
         )
 
diff --git a/zerver/tests/test_events.py b/zerver/tests/test_events.py
index 20abdbb9a8..62bab3c048 100644
--- a/zerver/tests/test_events.py
+++ b/zerver/tests/test_events.py
@@ -218,6 +218,7 @@ from zerver.models import (
     Realm,
     RealmAuditLog,
     RealmDomain,
+    RealmFilter,
     RealmPlayground,
     RealmUserDefault,
     Service,
@@ -2166,8 +2167,10 @@ class NormalActionsTest(BaseAction):
         )
         check_realm_linkifiers("events[0]", events[0])
 
+        linkifier_id = events[0]["realm_linkifiers"][-1]["id"]
+        self.assertEqual(RealmFilter.objects.get(id=linkifier_id).pattern, regex)
+
         regex = "#(?P<id>[0-9]+)"
-        linkifier_id = events[0]["realm_linkifiers"][0]["id"]
         events = self.verify_action(
             lambda: do_update_linkifier(
                 self.user_profile.realm, linkifier_id, regex, url, acting_user=None
diff --git a/zerver/tests/test_markdown.py b/zerver/tests/test_markdown.py
index eb6452d5ff..bf4525b272 100644
--- a/zerver/tests/test_markdown.py
+++ b/zerver/tests/test_markdown.py
@@ -1453,6 +1453,7 @@ class MarkdownTest(ZulipTestCase):
 
     def test_linkifier_precedence(self) -> None:
         realm = self.example_user("hamlet").realm
+        RealmFilter.objects.filter(realm=realm).delete()
         # The insertion order should not affect the fact that the linkifiers are ordered by id.
         # Note that we might later switch to a different field to order the linkifiers.
         sequence = (10, 3, 11, 2, 4, 5, 6)
diff --git a/zerver/tests/test_realm_linkifiers.py b/zerver/tests/test_realm_linkifiers.py
index 26d5222af1..1fe625ae4f 100644
--- a/zerver/tests/test_realm_linkifiers.py
+++ b/zerver/tests/test_realm_linkifiers.py
@@ -7,6 +7,11 @@ from zerver.models import RealmFilter, url_template_validator
 
 
 class RealmFilterTest(ZulipTestCase):
+    def setUp(self) -> None:
+        super().setUp()
+        iago = self.example_user("iago")
+        RealmFilter.objects.filter(realm=iago.realm).delete()
+
     def test_list(self) -> None:
         self.login("iago")
         data = {
diff --git a/zilencer/management/commands/populate_db.py b/zilencer/management/commands/populate_db.py
index 114b5d459e..c3b358d778 100644
--- a/zilencer/management/commands/populate_db.py
+++ b/zilencer/management/commands/populate_db.py
@@ -26,6 +26,7 @@ from zerver.actions.custom_profile_fields import (
 )
 from zerver.actions.message_send import build_message_send_dict, do_send_messages
 from zerver.actions.realm_emoji import check_add_realm_emoji
+from zerver.actions.realm_linkifiers import do_add_linkifier
 from zerver.actions.scheduled_messages import check_schedule_message
 from zerver.actions.streams import bulk_add_subscriptions
 from zerver.actions.user_groups import create_user_group_in_database
@@ -795,6 +796,24 @@ class Command(BaseCommand):
                 deliver_at=timezone_now() + timedelta(days=365),
                 realm=zulip_realm,
             )
+            do_add_linkifier(
+                zulip_realm,
+                "#D(?P<id>[0-9]{2,8})",
+                "https://github.com/zulip/zulip-desktop/pull/{id}",
+                acting_user=None,
+            )
+            do_add_linkifier(
+                zulip_realm,
+                "zulip-mobile#(?P<id>[0-9]{2,8})",
+                "https://github.com/zulip/zulip-mobile/pull/{id}",
+                acting_user=None,
+            )
+            do_add_linkifier(
+                zulip_realm,
+                "zulip-(?P<repo>[a-zA-Z-_0-9]+)#(?P<id>[0-9]{2,8})",
+                "https://github.com/zulip/{repo}/pull/{id}",
+                acting_user=None,
+            )
         else:
             zulip_realm = get_realm("zulip")
             recipient_streams = [