Twice now while playing R3C1 with my duo (with bots), after activating the charger error alarm in Zone 20 they will sometimes spawn on top of my duo who's pushing into 20B to look for the HSU, while I'm still in 19B holding the line (1 room away).
This time, once again, we got wiped because exactly half of the charger spawns seemingly randomly happening on top of them and immediately nuking their HP to 0 despite them being host and us never having more than 1 room of distance from one another and there being plenty of spawn room in Zone 18.
We have been having troubles with alarms sometimes lagging pretty badly for me (client) but on this instance there was no bad lag other than normal latency between us (~150ms), which has never presented any issues this bad before. Nothing was desynched, either, despite the occasional lag spikes.
This doesn't seem like normal spawn behavior, since we've never seen this happen in any videos we've watched, most of which were recorded before R8, which at least seem to have very noticeable differences in pathing for the same levels and in enemy spawn locations when in direct comparison (some of which we noticed all the way back at R1C1 a couple months ago).
I have the full logs available if needed, but nothing in it seems to relate to an issue, at least exactly at the section that tracked where and when it happened (said section was sent as an image).
We were sadly not recording our gameplay then, so neither of us has video, but it seems highly reproducible so if needed we can do that the next time we play.