Stable Build: 40.43 | IWBUMS Beta: 41.51 | Version history | Wiki
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News & Dev
August 13, 2020


Hello all! Turns out a UK heatwave combined with severe post-Covid viral fatigue aren’t a good combo, so usual Thursdoider Batsphinx has had to take a bit more extra time. As such, another hastily put together short Thursdoid this week, sorry folks! Hopefully he’s feeling better soon. A few things to point out, like oh what’s this?…

IWBUMS 41.41 release

It’s just been released now, changelogs can be found here. Highlights include:

  • Sleeping anywhere available (say on floors) when extremely tired
  • Performance option for corpse shadows.
  • Performance options for blood / holes on clothing/weapons.
  • Sandbox option for disabling zombie lunge behaviour after climbing fences / windows.
  • Fix to FPS compensation, will stop time passing further than about 1/4 of a second during the game pausing from severe FPS lag. Should stop the weird deaths on stairs reported last week, as well as unfair lag bites / car crashes etc in single player, since time will not progress during a spike.
  • And many more.


Yuri has been continuing with his work fixing up issues with syncronization with zombies, meanwhile Andrei has been hammering out the first versions of his client bots, capable of simulating a player client so we can stress test the servers and find out where they stall or become overloaded. He’s been working on optimization to try and reduce a client’s footprint so we can easily chain 60 of them together on a single machine.

Once this is in, he’ll be coding the fake clients up to quickly move between and around towns, forcing the server to load up areas of the map, simulate zombies, and generally process large areas in the same way as a live server. This will help greatly in figuring out ways of improving server performance and stability significantly over B40.

And that’s it for this week, enjoy 41.41, byeee!

This week’s Christmas surprise from parky302. A changelist of all IWBUMS patches since the 41 beta was released can be found here. A general list of stuff added to PZ, and vids of features being worked on, is kept here – so you don’t have to plough through endless dev blogs for info. The Centralized Block of Italicised Text would like to direct your attention to the PZ Wiki should you feel like editing or amending something, and the PZ Mailing List that can send you update notifications once builds get released. We also live on Twitter right hereOur Discord is open for chat and hijinks too!


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News & Dev | 20 August 2020
Stable Build: 40.43 | IWBUMS Beta: 41.51 | Version history | Wiki
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