According to the changelog, version 4.1 adds two notable improvements. Here's what is new in version 22.214.171.124:
- Expand stories in your timeline
- Change the order of content when uploading online stories
It's not an app we use on a daily basis, but should you happen to know anything else about the update that we've missed, be sure to let us know in the comments.
Massive thanks to everyone who tipped us!