It seems like the killfeed also is out of sync when it comes to environment (walkers/guardians/midboss) related notifications. Just confirmed with a walker being destroyed that the notification was shown 30 seconds before it actually happened.
MatchID: 874539
Time: 9:15 in front of Mo & Krill in the orange lane, around the sapphire guardian area
During this match I've noticed one of the tropper canisters dropping from the zipline and not spawning the tropper.
In this state, it was also able to draw aggro from the enemy troppers, and...