Game update17 Aug 202642.20.3 STABLE Hotfix ReleasedWhile this update should not break saves, if you encounter any bugs please ensure you can replicate them on a fresh save with no mods installed before reporting them to our team here . MP · Improved server player limit handling, including support for up to 254 players and administrator access when servers are full · Fixed an issue that would cause the client to hang on "Loading Map" forever FIX…
While this update should not break saves, if you encounter any bugs please ensure you can replicate them on a fresh save with no mods installed before reporting them to our team here . TECHNICAL/DEBUG · Fixed percent symbol handling in files · Mods should use %% to display % characters · A temporary workaround was implemented to allow both methods of processing, however mod makers should update…
While this update should not break saves, if you encounter any bugs please ensure you can replicate them on a fresh save with no mods installed before reporting them to our team here . MP · Improved Lua checksum validation for multiplayer anti-cheat · Fixed an issue that caused significant performance problems with chunk unloading on multiplayer servers · This should fix most of the bugs player…
As part of our preparations for the release of Build 42 Stable, we've also released a small security patch for Builds 41 and 42.19. We'd like to thank Jorge Escabias for responsibly disclosing this vulnerability and bringing it to our attention before it could be exploited. We greatly appreciate the time and effort involved in reporting issues like this, which helps us keep the game secure for…
Tomorrow, Wednesday 29th July, we will be releasing Build 42 of Project Zomboid! This is a quick post to ensure that those who want to continue playing Build 41 are aware of how they can do so with minimal disruption, and indeed to tick off a few other items to be aware of. Apologies for the overall boring post! Hopefully yesterday’s map overhaul excitement counterbalances it a little. THOSE WA…
Hi everyone, as previously mentioned Build 42.20 will be coming to the public stable branch this Wednesday, July 29th! For full details on this please check out this announcement blog . A big new part of this is a HUGE new upgrade to the Knox Event Exclusion Zone – that goes way beyond what you have already played during the Unstable beta. Our aim? To create a heavily evolved Knox Country that…
Project Zomboid version 42.20 will be coming direct to the stable public branch Wednesday, the 29th of July. Details on what this will entail will follow after, by way of celebration, the unveiling of our new Build 42 Steam Store trailer! This has been lovingly crafted by our Art Director Ayrton, captured by Amz, been blessed with 3D renders by Werlias, and received much sound love from Matteo…
Hello Survivors! It’s July 9th, something of a key date in PZ lore, so we felt it was a great time to check in with you to lay out our overall plans for the rest of the year. So pack up the car, fuel up the generator, and let’s get ready for a loot run! 42.20 Unstable Build 42.20 is in the testing phase, and it’s a big one, with a few yet-to-be-revealed surprises a big portion of the team has b…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". NEW · Added Controller R…
Hello, Survivors! Today we are bringing you some news related to our localization process, along with a quick preview of the upcoming 42.19 Update! So throw some beef jerky into your fanny pack, fill up your canteen with whiskey, and let’s take a look: LOCALIZATION: A PIVOT Previously, TIS announced that Project Zomboid would be moving to external localization for Build 42 and beyond. However,…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". NEW · Added new Weapon R…
Happy May, Survivors! Glad to see you made it through the winter. Build 42.18 Unstable will be releasing soon, so here is a quick preview of what to expect. This update primarily focuses on modding improvements and bug fixing across both Single and Multiplayer, with some light balance changes. As always, we strongly recommend starting a fresh save with each update and backing up any existing on…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". NEW · The Survival Guide…
Hello Survivors, we hope your shelter is keeping you dry and warm! Shortly we plan on releasing Build 42.17 Unstable, which contains some new sandbox options, balancing changes, and (as usual), tons of bug fixes and Multiplayer stability improvements. A lot of this content was based on your feedback, so please keep it coming! While 42.16 saves should convert to 42.17, there are always potential…
Hey all! This is just a quick and happy update for those who had been following our recent "Brawler Spiffo" merch drop in support of Médecins Sans Frontières . Thanks to the amazing support of the Project Zomboid community, we were able to raise more than $180,000 (USD) to support the amazing and important work of MSF! In addition to this, our merch partner Makeship contributed a further 5% of…
On April 7th, we received reports from multiple users regarding a mod that was allegedly generating malicious code when run. We immediately investigated the mod in question, which contained heavily obfuscated code, and confirmed that it was creating malicious files outside of the Project Zomboid directory. Further investigation revealed that the same user had uploaded a total of 14 mods, all co…
STABLE (41.78.19) - Security Vulnerability Update UNSTABLE (42.16.3) - Fixed an exception in Server Browser - Security Vulnerability Update As always, discussions regarding this update can be found pinned to the Project Zomboid Discussions Forums here .
GAMEPADS AND CONTROLS - Right-click no longer toggles forceAim conflicting with RMC menu. Now waits slightly longer before engaging, so that RMC menu doesn't pop up. - Gamepad interactions with UI and Vehicles. -- Controller users can now move or perform actions while the inventory is open -- Vehicle radial menu isn't being interrupted by the player aim anymore -- Switching seats no longer make…
Just a heads-up: thanks for reporting the controller issues and bugs in the latest patch! We’ve logged them all and while we couldn't squeeze every fix in before the Easter holidays, they are already cooking and will be released as soon as possible! FIXES - (Server Browser) IP Addresses now hidden by default. Toggle check-box to reveal - Fixed GameClientConcurrentModification Exception when rem…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". IMPORTANT: B42.15 and ea…
Greetings Survivors, we hope this update finds you bite-free! This week, we plan on releasing Build 42.16 Unstable, and we wanted to let you know ahead of time some of the changes coming with it. Along with continuing stabilization in Multiplayer and general bug-stomping, this update has a strong focus on balancing ! Full update notes will be included in the release, of course, but here is a pr…
- We have pushed additional hotfixes to fix rare crash bugs for both the stable and unstable branches. The version numbers below have been updated to reflect the current versions. On the 3rd of March we were made aware of a significant security vulnerability in the game thanks to a member of our modding community, copiumsawsed, who responsibly reported the issue to us. We immediately investigat…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". FIXES - Fixed additional…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". FIXES - Fixed game not l…
Hello Survivors, we hope your barricades are holding strong! Today we’re releasing Build 42.15 Unstable, and along with a big list of fixes , balancing, multiplayer stability improvements, and new items, we have two big content updates for you to wade into, with your baseball bats swinging (or axes - axes work too): Game Mode Refresh While players are still able to hyper-customize the settings…
As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be compatible with any older saves, especially ones older than the last patch. How do I subscribe to the Unstable beta branch? Right-click PZ in your Steam library. Select "Properties". Under "Game Version & Betas" select "Unstable". NEW - New Game Mode Defa…
Hello Survivors! Christian “Serellan” Allen here, your new Design Director on Project Zomboid. As we mentioned in the December blog , 2025 was a time of big changes in the organization on Project Zomboid, bringing new leadership roles in the realms of Art, Production, and Code; and I joined the team last fall to focus on Design elements. Alongside the steady stream of updates to B42, we have be…
Note: Players who want to remain on 42.13.2 can select the "outdatedunstable" Steam Beta to continue their game. We will be removing the "42.13.1" Beta soon. Players who wish to remain on that version of the game are recommended to make manual backups. As always it is recommended that you create a new save with no mods after updates. Updates fix bugs and introduce new changes that may not be co…
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.