Our app recently started crashing when unsubscribing from Lightstreamer on the Lightstreamer iOS Client function,
Code:
-[LSSubscription isActive]
. The last line of the stack trace following this is
Code:
objc_msgSend
.

Looking at the changelog of the iOS client library, the release notes for 4.1.2 state that

Fixed race condition that under rare circumstances could have caused a crash when closing a connection that was actively receiving data.
Could someone please confirm whether this crash is caused by the mentioned race condition in the release notes or whether it is something unrelated?