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Yeah, that did the trick!

Does [url=https://github.com/coelckers/gzdoom/commit/ab6ed0949f549d7a9dfdc064788b0cd115beb167]this[/url] fix it?

I noticed that this isn't 100% fixed. The PlayerEntered event is getting called for bots before their playerinfo has a mo attached. This... is kind of a problem.

[url=https://github.com/coelckers/gzdoom/commit/6cc5ddd12984add2b7a887dea636a8345e032456]fixed[/url]

Bots being added to the game is in fact a hack that is added in due to the fact that there is no actual late-join mechanism in the game. Fixing this would be as simple as adding the event to one of the lower-level calls that result from the "addbot" command after the bot definition is parsed and the bot is selected and before G_DoReborn().

MAP01 - Entryway

16 bots read from bots.cfg
[ZScript] Player Marisa entered.
[ACS] Player Marisa entered.
]addbot
V234 joined the game
[ACS] Player V234 entered.
You got the chaingun!
V234 was mowed down by Marisa's chaingun.
[ZScript] Player V234 died.
[ACS] Player V234 died.
[ZScript] Player V234 respawned.
[ACS] Player V234 respawned.
]removebots
[ZScript] Player V234 disconnected.
[ACS] Player V234 disconnected.
Removed all bots

This probably is unimportant because, y'know, bots, but still...

Provided [url=https://marisakirisa.me/tmp/thing.wad]here[/url] is a tiny wad that prints when a player enters/respawns/dies/disconnects both through an event handler and through acs.

Here's a sample of what's happening: Everything works as expected EXCEPT PlayerEntered on ZScript doesn't get called for bots.
[code]
MAP01 - Entryway

16 bots read from bots.cfg
[ZScript] Player Marisa entered.
[ACS] Player Marisa entered.
]addbot
V234 joined the game
[ACS] Player V234 entered.
You got the chaingun!
V234 was mowed down by Marisa's chaingun.
[ZScript] Player V234 died.
[ACS] Player V234 died.
[ZScript] Player V234 respawned.
[ACS] Player V234 respawned.
]removebots
[ZScript] Player V234 disconnected.
[ACS] Player V234 disconnected.
Removed all bots
[/code]