1. Apply this diff: https://gist.github.com/marcinwasowicz/8fa40faca25c52403d87a91d9333e1f2
2. Build iOS app.
3. Using python shell create string with 30000 characters.
4. Send it to backgrounded or killed iOS app.
5. Kill you local keyserver.
6. Open the app. Ensure the entire message payload is visible even though keyserver is not running.