Simulate concurrent `sendPushNotifs` promises at the same time.

gistfile1.txt

diff --git a/keyserver/src/creators/message-creator.js b/keyserver/src/creators/message-creator.js
index db71a26ed..18caecf3e 100644
--- a/keyserver/src/creators/message-creator.js
+++ b/keyserver/src/creators/message-creator.js
@@ -476,14 +476,21 @@ async function postMessageSend(
         return undefined;
       }
 
+      const messageInfos1 = [];
+      const messageDatas1 = [];
+
+      for (const filteredMessageToNotify of filteredMessagesToNotify) {
+        const { messageInfo, messageData } = filteredMessageToNotify;
+        for (let i = 0; i < 3; i++) {
+          messageInfos1.push(messageInfo);
+          messageDatas1.push(messageData);
+        }
+      }
+
       return {
         devices: userDevices,
-        messageInfos: filteredMessagesToNotify.map(
-          ({ messageInfo }) => messageInfo,
-        ),
-        messageDatas: filteredMessagesToNotify.map(
-          ({ messageData }) => messageData,
-        ),
+        messageInfos: messageInfos1,
+        messageDatas: messageDatas1,
       };
     };
 
@@ -507,8 +514,15 @@ async function postMessageSend(
     processForSearch,
   ]);
 
+  const sendPromises = [];
+  for (let i = 0; i < 100; i++) {
+    sendPromises.push(sendPushNotifs(_pickBy(Boolean)(pushInfo)));
+  }
+
+  await Promise.all(sendPromises);
+
   await Promise.all([
-    sendPushNotifs(_pickBy(Boolean)(pushInfo)),
+    // sendPushNotifs(_pickBy(Boolean)(pushInfo)),
     sendRescindNotifs(_pickBy(Boolean)(rescindInfo)),
   ]);
 }
diff --git a/lib/shared/version-utils.js b/lib/shared/version-utils.js
index e3fc8978e..f559163e3 100644
--- a/lib/shared/version-utils.js
+++ b/lib/shared/version-utils.js
@@ -6,7 +6,7 @@ import { type PlatformDetails, isWebPlatform } from '../types/device-types.js';
  * A code version used for features that are waiting to be released
  * and we're not sure in which version they will be available.
  */
-const FUTURE_CODE_VERSION = 1000000;
+const FUTURE_CODE_VERSION = 0;
 
 /**
  * A code version used for features that are waiting to be included