Stellaris news from Paradox
Official announcements from Paradox's Stellaris Steam page: 200 posts from Jun 27, 2024 to Oct 21, 2026, 86 of them dev diaries. The text is Paradox's, unchanged; we add the date, a label and links to the pages here that a post names. Release posts link to what the version changed in the game files when we hold a snapshot of it.
Every announcement
- Dev Diary
Stellaris Dev Diary #437 - Willpower Release Date, Galactic Halls, and Gestalts
Greetings! Today I have the Willpower Story Trailer to share with you as we’re ready to provide a planned release date. Willpower and the Stellaris 4.6 ‘Corona Borealis’ update will be released on Monday, November 23rd.
- Dev Diary
Stellaris Dev Diary #436 - Ideologies
Hi everyone, Today I'm turning things over to Atmaz to share some information about Ideologies in regular empires. (We'll talk about gestalt empires in another dev diary, we didn't forget about them!) Here we go!
- Dev Diary
Stellaris Dev Diary #435 - Willpower
Stellaris Season 10 continues with the Willpower expansion, coming in the Stellaris 4.6 ‘Corona Borealis’ update.
Patch notesStellaris 4.5.2 released [checksum 9776]
Hello Stellaris Community! Stellaris 4.5.2 "Cygnus" has now released on Steam, GOG and Microsoft store. Thanks to everyone who submitted bug reports during the hotfix period. Your bug reports go a long way to making…
- Dev Diary
Stellaris Dev Diary #434 - 4.5.2 'Cygnus' Tentative Patch Notes
Hey folks, unfortunately Eladrin's been off ill this week, so we don’t have a full Dev Diary for this week. However I do have tentative patch notes for the 4.5.2 patch to share with you.
- Patch notes
Stellaris 4.5.1 released (checksum 358e)
Hello, Stellaris community! We've updated Steam and GoG with a hotfix to address a few important issues. MS will follow as soon as it is possible.
ReleaseStellaris 4.5 "Cygnus" now available!
Hello Stellaris Community, We’re pleased to announce that the 4.5 “Cygnus” update is now available! Before we dive into what’s included in this update, we want to talk about who put it there. Of the 525 lines of changes…
- Dev Diary
Stellaris Dev Diary #433 - 4.5 'Cygnus' Preliminary Release Notes
The Stellaris 4.5 ‘Cygnus’ Open Beta is drawing to a close, and we’re currently building a release candidate.
- Release
Mammalian Science Ship Brickset and Bubbles Cantina Puzzle now available!
Bricks and Puzzle pieces have entered the galaxy! Together with YouTooz, we're thrilled to release our first-ever Brickset and Puzzle inspired by Stellaris. Give your shipyards a rest, and construct your next Science…
- Dev Diary
Stellaris Dev Diary #432 - Yet More About 4.5 'Cygnus'
Hello everyone, I’m back this week, though it’ll be a relatively short one. Last week Alfray mentioned that I might be ready to share information about the 4.5 ‘Cygnus’ release date, but I’m holding onto that for a bit…
- Dev Diary
Stellaris Dev Diary #431 - 4.5 'Cygnus' Development Continues to Continue
Hey folks, I’m taking over for Eladrin this week since he’s swamped with meetings and I got voluntold for Dev Diary Duty. The final 4.5 build isn't ready to ship, but we did push an Open Beta update earlier today…
- Dev Diary
Stellaris Dev Diary #430 - 4.5 ‘Cygnus’ Development Continues
We have another update to the 4.5 ‘Cygnus’ Open Beta planned for today! 4.5 Update 7 contains fixes for Nascent Stage (again), some AI updates, and more.
- Dev Diary
Stellaris Dev Diary #429 - Summer Experiments 2026
With summer coming to an end, the Stellaris dev diaries are back on the schedule. We’ve updated the 4.5 Open Beta a couple of times now, and have some more changes coming soon with Update 6.
MerchLast chance! VIR Vinyl Figure LIMITED EDITION | Makeship x Stellaris
The window's closing. This is your final shot at bringing a lifesize VIR home before it's gone for good.
Open betaStellaris 4.5 'Cygnus' Open Beta Update 5 (bc43)
Hello everyone! We've updated the 4.5 Open Beta branch with some improvements.
- Merch
VIR Vinyl Figure LIMITED EDITION | Makeship x Stellaris
This VIR spent millions of playthroughs helping empires rise — and decided Earth was worth the trip.
- Open beta
Stellaris 4.5 'Cygnus' Open Beta Update 4 (e6fd)
Hello everyone! We've got a couple more fixes in today's 4.5 Open Beta update:
- Open beta
Stellaris 4.5 'Cygnus' Open Beta Update 3 (aa56)
Happy Friday! We've updated the [c]stellaris_test_4.5[/c] branch again today, and added a rollback branch ([c]stellaris_test_4.5_rollback[/c]) just in case, since this one modified a few hundred events.
- Patch notes
Stellaris 4.4.6 hotfix released (fdde)
We've just deployed a hotfix that resolves an issue introduced in 4.4.5 where Science Ships using automation would get lost forever when exploring Astral Rifts. It should now be available on Steam, GOG, and MS Store.
- Dev Diary
Stellaris Dev Diary #428 - 4.5 ‘Cygnus’
Earlier this week we released the Stellaris 4.4.5 ‘Pegasus’ Update with the following changes:
- Open beta
Stellaris 4.5 'Cygnus' Open Beta updated (bfcc)
Hello everyone! QA's tests on the 4.5 'Cygnus' Open Beta 2 update went faster than expected, and we felt that we had no real reason to hold the update until tomorrow. We've updated the [c]stellaris_test_4.5[/c] branch…
- Patch notes
Stellaris 4.4.5 patch released (2f57)
Hello everybody! The Stellaris 4.4.5 'Pegasus' update should now be ready for download via Steam, GOG, and MS Store. Please find the patch notes below.
- Dev Diary
Stellaris Dev Diary #427 - We've Had One, Yes. But What About Second Open Beta?
Europe swelters under the summer’s first heatwave, and yesterday we updated the 4.4.5 ‘Pegasus’ Open Beta on the [c]stellaris_test[/c] branch with some more changes.
- Merch
Steam Summer Sale, Stellaris Merch, and More!
The Steam Summer Sale has just entered our orbit! Stellaris is up to 70% off, with additional discounts on selected DLC.
- Open beta
Stellaris 4.4.5 "Pegasus" Early Open Beta (c22e) now available!
Hello everyone! I know that yesterday I said that we were planning on putting 4.4.5 up as an Open Beta sometime next week, but based on the reactions we received in the thread we decided to expedite it a little bit, and…
- Dev Diary
Stellaris Dev Diary #426 - The Art of Stellaris: Nomads
A tradition like no other! It's time for the Art of Nomads!
- Patch notes
Stellaris 4.4.4 patch released (5505)
Hello everyone, We trust that you are enjoying your time exploring the galaxy aboard the Arkships. The team has completed a batch of fixes and improvements for your journeys.
- Open beta
Stellaris 4.4.4 "Pegasus" Open Beta (3bc0) now available!
Hello Stellaris Community! We have just released the Stellaris 4.4.4 "Pegasus" patch to Open Beta. This patch addresses some of the balance and QoL feedback we've received since Nomads' release, as well as a host of bug…
- Dev Diary
Stellaris Dev Diary #425 - Nomads Roam the Galaxy, What's Next?
The Stellaris 4.4.1 ‘Pegasus’ update and Nomads released this Monday.
- Patch notes
Stellaris 4.4.3 hotfix released (0a3d)
Hello, Another more small and quick patch has been readied, aiming to fix a few extra impactful bugs from Monday's release.
- Patch notes
Stellaris 4.4.2 hotfix released (42fe)
Hello all, The team has put together a quick hotfix for your continued enjoyment of Nomads and 4.4. 4.4.2 should now be available on Steam and GOG, with MS Store to follow soon. Please find the change log below.
- Patch notes
[Dev Team] stellaris_test updated with 4.4.2 (checksum 38b9)
We've updated the stellaris_test beta branch with some fixes that we're planning to release (likely tomorrow).
- Release
Stellaris: Nomads is available now!
Stellaris: Nomads - the first installment of Stellaris: Season 10 - is available now!
- Dev Diary
Stellaris Dev Diary #424 - Nomads and 4.4 'Pegasus' Preliminary Release Notes
Hi everyone! The Stellaris 4.4 ‘Pegasus’ update and Nomads are releasing next Monday, June 15th. Today we have the preliminary release notes, the last Spinal Mount, the new Achievements, and information about today’s…
- Dev Diary
Stellaris Dev Diary #423 - Stellar Cannon, Civics, and The Hyacinth Found
Hello, Stellaris Community! Nomads releases on June 15th - less than two weeks from now - so I hope you’re planning your first playthroughs. Today we’re going to take a look at the Stellar Cannon, the new civics, and…
- Dev Diary
Dev Diary #422: Defender of the Galaxy, Champion's Forge LIVE, Heirs of the Khan
Hello everybody! The team has been competing against one another to see who can write the longest dev diary, so I’m going to sabotage their efforts by keeping my preamble short. Let’s get straight into the fray!
- Dev Diary
Stellaris Dev Diary #421 - Contracts, Life on the Arkship, and Forever Cruise
Hello everyone! Today the team will be going over some of the general gameplay differences you’ll see when playing a Nomadic empire. After going over the fine print of Nomad Contracts, we’ll take a luxury trip on the…
- Dev Diary
Stellaris Dev Diary # 420- Scientific Arcships, Waylines, and the Sacred Path
Greetings, Stellaris Community!
- Release
Stellaris: Nomads will release June 15th!
We’re pleased to announce that Stellaris: Nomads will be entering your region of space on June 15th!
- Patch notes
Stellaris 4.3.7 hotfix patch released (checksum 4f3c)
Hello again, We have a quick hotfix that will allow Mods that haven't been updated for the Utopian Abundance changes pass any of the DLC checks they may have for Utopia, Synthetic Dawn, or the Humanoids Species Pack…
- Patch notes
Stellaris 4.3.6 patch released (checksum 6ccb)
Hello everyone, We've just released Stellaris patch 4.3.6. This patch rolls Utopia, the Synthetic Dawn Story Pack, and Humanoids Species Pack into the base-game, as well as adds the Behemothkin portrait (available when…
OtherStellaris' 10th Anniversary!
On May 9th, 2016 we set out on this grand journey that is Stellaris. It has been a long road getting this far, with its fair share of ups and downs, but we’re glad that you have decided to go along on this adventure…
- Dev Diary
Stellaris Dev Diary #419 - Happy Decennial!
by Eladrin Stellaris launched on May 9th, 2016 - this Saturday will mark ten years. The game that shipped a decade ago was a very different beast from what we’re playing today. The galaxy was smaller in a lot of…
- Dev Diary
Stellaris Dev Diary #418 - Announcing Nomads and Stellaris: Season 10
It’s my pleasure to announce boarding has started for all passengers departing on our tour of Stellaris: Season 10, with non-stop service to the Nomads expansion alongside the Stellaris 4.4 ‘Pegasus’ update. Following…
- Dev Diary
Stellaris Dev Diary #417 - Situation Log Updated
Hi everyone! Let’s look at some other UIs that are getting a facelift in the 4.4 ‘Pegasus’ update. I’m turning this over to our UX designer, Doğa:
- Dev Diary
Stellaris Dev Diary #416 - Quality of Life Improvements
The 4.3.4 ‘Cetus’ update was released today, with the following changes:
- Open beta
4.3.4 Open Beta (part two) is now on stellaris_test [checksum 44ba]
We've just updated the [c]stellaris_test[/c] branch with the fixes we were talking about yesterday.
- Dev Diary
Stellaris Dev Diary #415 - The Gamma Menace
Currently we’re planning on updating the 4.3.4 Open Beta branch tomorrow, with the following changes:
- Dev Diary
Stellaris Dev Diary #414b - Portrait Substitution System
Yesterday we announced Arachnophilia Mode and mentioned the Portrait Substitution System that we’re currently working on. We left a few details out of that dev diary, which we’ll go over today. But first, let’s look at…
- Dev Diary
Stellaris Dev Diary #414 - Spinning a Web of Hope
HI everyone! We’re posting today’s dev diary a day early because of the holiday on Friday and for no other reason.
- Patch notes
Stellaris 4.3.3 patch released (checksum 456f)
Hello, Another week, another collection of Stellaris improvements ready for release. The team has made progress in a number of important areas so be sure to check out the contents of this one. Stellaris 4.3.3 should now…
- Dev Diary
Stellaris Dev Diary #413 - 4.3 ‘Cetus’ Has Released, What’s Next?
The 4.3 ‘Cetus’ update is live after months of Open Beta feedback. That said, the work doesn’t stop at release and there’s still a lot to do.
- Patch notes
Stellaris 4.3.2 patch released (checksum 171a)
A minor patch is ready for release, fixing a few issues.
- Open beta
4.3.2 Open Beta is now on stellaris_test [checksum 171a]
Hello everyone! A small number of changes have just been pushed to the [c]stellaris_test[/c] beta branch on Steam.
- Patch notes
Stellaris 4.3.1 hotfix release (checksum f646)
Hello, A hotfix patch has been readied, aiming to fix a few issues plus add a clarifying step for players looking to resume their pre patch save games.
- Other
Utopian Abundance: An Update on the Stellaris Base Game
For the past nine years, every time a new player asked “what’s the first DLC I should buy for Stellaris”, you all pretty much unanimously said “Utopia”.
- Dev Diary
Stellaris Dev Diary #412 - 4.3.0 ‘Cetus’ Preliminary Release Notes
Tomorrow's Dev Diary has so many patch notes that we're publishing it today so that you can read them all. The release candidate is not yet live; tune back in tomorrow morning for access. -- LadyDz.
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-03-06)
Read this post on the Paradox forums! | Dev replies here!
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-03-04)
Hello Stellaris Community! We're here a day early with our weekly Open Beta update! This update breaks save game compatibility. There is a "cetus_open_beta_rollback" branch available on Steam so that you can continue…
- Other
Capture the Stars: Stellaris + Metaleks Collab
Explore the world of Stellaris beyond the screen with premium metal & paper posters made in collaboration with Metaleks!
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-26)
Hello Stellaris Community! We're back updating the "Cetus" Open Beta again, with more balance changes based on your feedback as well as more bug fixes and performance improvements. Please note: Next week's Open Beta…
- Dev Diary
Stellaris Dev Diary #411 - Our Next 4.3 Experiment
The plagues of last week have passed, so today we’ll be looking at the next “risky” change that we’d like to bring to the 4.3 ‘Cetus’ Open Beta, relating to Pop Ethics and Ethics Drift.
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-19)
We have another open beta update for you this week. This update features a whole host of bug fixes, performance improvements and balance changes.
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-12)
We have another open beta update for you this week! This update is chocked full of bugfixes and other improvements that we hope will make your beta experience much more enjoyable.
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-06) [Checksum 2e59]
Hello Stellaris Community! Work on the open beta is still chugging along, and the Devs have put together another batch of balance changes, bug fixes and performance improvements that we're ready for you to try out. This…
- Dev Diary
Stellaris Dev Diary #410 - 4.3 Performance Comparisons
Today we’ll be looking at the impact the changes of the 4.3 ‘Cetus’ Open Beta has had on performance, with graphs and a comparison video.
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-01-30)
Hello Stellaris Community! There will be no dev diary this week, we hope to be back next week with a dev diary. We’re expecting dev diaries to be irregular over the next little while our focus is working on issues with…
- Dev Diary
Stellaris Dev Diary #409 - The 4.3 ‘Cetus’ Open Beta Continues
Hello everyone! Welcome back to Stellaris Dev Diaries! During the Cetus cycle, dev diaries will be on a once-every-two-week cadence. The 4.3 ‘Cetus’ Open Beta continues!
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2026-01-15)
We hope you all had a great holiday season. Thank you all for your feedback on the last open beta update, we're looking at how we can incorporate that feedback moving forward. We've got another beta update coming today…
- Open beta
Stellaris 4.3 "Cetus" Open Beta Updated (2025-12-18)
Hello Stellaris Community! Thank you all for your feedback on the 4.3 "Cetus" Open Beta. We have another update to the Open Beta for you, adding additional balance changes, bug fixes and a rework to how refugees…
- Dev Diary
Stellaris Dev Diary #408 - 2025 in Review
Hello everyone! The days are getting short and the cold winds are blowing, which means it’s time for our end of year review. As we close out 2025 and look toward the future, I wanted to take a moment to look back at…
- Open beta
Stellaris 4.3 "Cetus" Open Beta now available
Hello everyone! We would like to thank you in advance for your interest in participating in the 4.3 "Cetus" Open Beta, which we are internally referring to as "The Reckoning". This update will attempt to scale back the…
- Dev Diary
Stellaris Dev Diary #407 - The 4.3 ‘Cetus’ Open Beta
Hello everyone! 4.2.4 ‘Corvus’ is in certification and may have been released by the time this goes live, with the following changes:
- Patch notes
Stellaris Patch 4.2.4 released (checksum 7a03)
Another patch has been readied, resolving a few more issues discovered in the 4.2 and Infernals release.
- Dev Diary
Stellaris Dev Diary #406 - Infernals is Out, What’s Next?
Hi everyone! This morning we released the Stellaris 4.2.3 ‘Corvus’ update, with the following changes - updates from last Friday’s Open Beta are bold:
- Patch notes
Stellaris 4.2.3 patch released (checksum f58a)
Hello everyone, We hope this patch finds you well. It brings a great deal of fixes and tweaks to your Infernals playthroughs.
- Merch
Stellaris Babyhemoth Plushie LIMITED EDITION | Makeship x Stellaris
Behold, the Stellaris Babyhemoth has officially arrived in partnership with Makeship!
- Patch notes
4.2.2 Hotfix now available
We hope you're busy sweltering in the infernal heat. The team has put together a quick hotfix for a few new crashes that were introduced with Tuesdays' patch.
- Release
The Infernals Species Pack is available now!
Stellaris: Infernals Species Pack is available now! As the final episode of Stellaris: Season 09, the Infernals Species Pack lets you thrive where others burn. Developed by Forgotten Empires in close collaboration with…
- Other
Upcoming Changes to Stellaris: Season 09
With the impending arrival of the Stellaris: Infernals Species Pack, we are excited to celebrate the completion of Season 09 - a year that saw us completing the remastering of Ascensions with BioGenesis and Shadows of…
- Dev Diary
Dev Diary #405 - 4.2 “Corvus” & Infernals Species Pack Preliminary Release Notes
Hello everybody! Infernals is almost here, so today we’re looking at the preliminary release notes for the Stellaris 4.2.0 “Corvus” update. The 4.2 update is named after the Corvus constellation, representing the crow…
- Dev Diary
Stellaris Dev Diary #404 - Red Giant and Galactic Hyperthermia
Hello, Stellaris community! We’re hoping to get the 4.2.0 Open Beta up soon on the [c]stellaris_test[/c] branch. This build currently consists of architectural changes to modifier application and threading. We do not…
- Dev Diary
Stellaris Dev Diary #403 - Cosmic Dawn, Civics, Infernal Shipset
Hello again! 4.1.7 released earlier this week with the following changes:
- Patch notes
4.1.7 Patch Released (checksum 6486)
Hello all, Our latest and greatest patch has arrived. 4.1.7 should now be available for download on all platforms. Please find the changelog below.
- Dev Diary
Stellaris Dev Diary #402 - Infernal Pops, Traits, and Volcanic Worlds
The Steam Open Beta branch was updated this week with a preview of 4.1.7, with the following fixes:
- Open beta
v4.1.7 Open Beta released! (checksum ad13)
For those who do not know me I am Gustav, Tech Lead for Stellaris, and i am proud to present the last Open Beta in the 4.1.x series!
- Release
Infernals Species Pack Release Date Announcement
Stellaris: Season 09 completes on November 25th with the Infernals Species Pack and the 4.2 ‘Corvus’ update.
- Dev Diary
Stellaris Dev Diary #400 - Art of the Shroud
Hi everyone! Abrakam put together a dev diary detailing some aspects of the art creation pipeline that they used during the production of Shadows of the Shroud, so you get a surprise Tuesday dev diary this week. We’ll…
- Dev Diary
Stellaris Dev Diary #399 - The Ongoing Plan
We’re currently running a 4.1.6 Open Beta on Steam, which we’ve recently updated with a fix to slavery production bonuses.
- Open beta
v4.1.6 Open Beta Release! (checksum db3e)
Hello everyone, Lorenzo here. We have just released v4.1.6 (checksum db3e) as an open beta on the stellaris_test branch. This version builds on top of 4.1.5 with additional fixes and improvements that we are currently…
- Dev Diary
Stellaris Dev Diary #398 - Ship Experiments
4.1.5 released this week with the following changes (there was no 4.1.4 public release):
- Patch notes
4.1.5 Patch Released (checksum e30c)
Hello all, The teams have worked diligently to bring you a big patch solving plenty of your reported issues from the 4.1 and Shadows of the Shroud release.
- Open beta
v4.1.5 Open Beta Release! (checksum c3d8)
It is Lorenzo here with another update for you. am glad to inform you that we have just released v4.1.5 (checksum c3d8) as an open beta on the stellaris_test branch. This version includes everything from the 4.1.4 open…
- Dev Diary
Dev Diary #397 - Shadows of the Shroud is Out, What's Next? (Performance)
Shadows of the Shroud and the Stellaris 4.1 ‘Lyra’ update have been released, and today we’re going to go over some of our performance investigations and next steps moving forward.
- Patch notes
4.1.3 Patch Released (checksum b2d8)
We have a patch ready for you, resolving another set of gameplay issues as well as a few more crashes. 4.1.3 is now available for download via Steam, GOG, and MS. (4.1.2 beta was not promoted to a main branch release)
- Patch notes
Stellaris 4.1.1 hotfix released (checksum e1ca)
Hello, We're now releasing a hotfix patch to address a few high prio issues in yesterdays release. 4.1.1 should be available to download via Steam, with GOG and MS following as soon as possible. Please find the patch…
- Release
Shadows of the Shroud is Available Now!
The second installment of Stellaris: Season 09, Shadows of the Shroud is available now!
- Dev Diary
Stellaris Dev Diary #396 - 4.1 'Lyra' Preliminary Release Notes
Hello, Stellaris Community! Shadows of the Shroud and the 4.1 ‘Lyra’ update will be released next Monday, September 22nd. Today we have preliminary release notes, as well as the Chosen set of Civics and some of the…
- Dev Diary
Stellaris Dev Diary #395 - THE END IS NEAR
by Eladrin The [color=#FF0000]End of the Cycle[/color] is not a crisis. It’s an opportunity. [color=#FF0000]An opportunity to end all things.[/color]
- Dev Diary
Stellaris Dev Diary #394 - Mindwardens and Machines
Earlier this week we introduced some of the entities you’ll meet in Shadows of the Shroud, and had a brief overview of the Psionic Auras system. Today’s topic is Mindwardens! Mindwardens! Mindwardens! (and…
- Dev Diary
Stellaris Dev Diary #393 - Entities of the Shroud and Psionic Auras
Last week we took a quick look at the Shroud UI coming in Shadows of the Shroud. Today we’re going to talk about the various entities of the Shroud, find out what Psionic Auras are, and then revisit the Cevantian…
- Dev Diary
Stellaris Dev Diary #392 - Psionic Ascension and Delving into the Shroud
Today we’re going to look at Psionic Ascension, look at how the experience of delving into the Shroud will change, and finish off with the Superstitious Belief set of civics.
- Dev Diary
Stellaris Dev Diary #391 - Shadows of the Shroud
As was foretold, the Shadows of the Shroud expansion is coming to Stellaris alongside the 4.1 ‘Lyra’ update. Our seers predict that this next great era begins on September 22nd.
- Dev Diary
Stellaris Dev Diary #390 - 4.0.23 Released, Visions of the Shroud
The 4.0.23 update went live today with the following changes and improvements - thank you for your bug reports and feedback, which helped us generate most of this list of fixes:
- Patch notes
Stellaris 4.0.23 Beta now available [checksum d17d]
We've updated the stellaris_test branch on Steam with a build that may fix some of the crashing issues that people are encountering, as well as a job assignment error that was breaking Virtuality and impacting Automatic…
- Dev Diary
Stellaris Dev Diary #389 - 4.0.22 Released, Upcoming Planet Improvements
The massive 4.0.22 update went live this morning with the following changes and improvements:
- Dev Diary
Stellaris Dev Diary #388 - The Wilderness and 4.0.22 Preliminary Release Notes
Throughout the summer, we've been running an Open Beta with changes and adjustments to Stellaris 4.0 - focusing on the Wilderness Origin - addressing player feedback and other actionable areas we identified with…
- Open beta
4.0.22-Wilderness Open Beta 2025-08-07 Update (checksum c3de)
We've got another update to the Wilderness Open Beta today, which fixes a number of significant multiplayer desynchronization issues, fixes some purging issues, adds yet more lathe fixes, more AI improvements, some…
- Other
Stellaris #MODJAM2025 Showcase - Modded Crisis Paths Part #3
#MODJAM2025 is available to play on the Stellaris Steam Workshop and Paradox Mods! Be sure to subscribe and try out the Mod Jam, and vote for your favorite Player Crisis Paths before August 22nd!
- Release
#MODJAM2025 Available Now!
We’re proud to announce that #MODJAM2025 is available now on the Stellaris Steam Workshop!
- Other
Stellaris #MODJAM2025 Showcase - Modded Crisis Paths Part #2
We’re now less than a week away from the release of #MODJAM2025 on July 29th! Testing is still ongoing on the Stellaris Official Discord, so if you want to help out, there’s still time!
- Other
Stellaris #MODJAM2025 Showcase - Modded Crisis Paths Part #1
Today is the end of working time for the modders participating in #MODJAM2025! The modders now have 10 days to test and polish their submissions before the modjam releases on July 29th. We’re expecting between 15 and 20…
- Open beta
4.0.22-Wilderness Open Beta 2025-07-08 Updated (checksum 26d5)
Hello, Stellaris community! The Wilderness Open Beta has been updated again, with fixes to Workforce calculations, advanced and endgame AI plans, a fix to espionage, improvements to district tooltips, and more. Here is…
- Open beta
Wilderness Open Beta Available | 2025-07-03
Over the summer, our Dev Team will be updating the Wilderness Open Beta branch on Steam, with priorities of improving stability, performance, the AI, and bugfixes. Today's update is now available.
- Dev Diary
Stellaris Dev Diary #387 - 4.0.21 is Out, What’s Next?
Last week I said the next dev diary would be on the 26th, but I didn’t want to wait that long to discuss our plans moving forward.
- Patch notes
4.0.21 Patch Released (checksum bb43)
Our latest and greatest Stellaris patch has arrived, resolving a number of bugs as well as bringing further balance to the galaxy.
- Release
Announcing #MODJAM2025
by MrFreake_PDX Hello Stellaris Community! We’re proud to announce that over the summer, the Stellaris Community Team will be hosting another Mod Jam, with the support of our sponsors at Republic of Gamers! We’ve had…
- Open beta
Wilderness Open Beta Available
The Wilderness Open Beta we wrote about in Dev Diary #386 is now available on Steam.
- Patch notes
4.0.20 Hotfix Released (checksum a73a)
One more before the weekend! We have another patch today to fix the save game crash once and for all. (I hope.) This one made up 95% of the crashes that occurred in the last 24 hours, so we're feeling good about it. If…
- Patch notes
4.0.19 Hotfix Released (checksum 51ef)
Hello once again, The team has created one more patch for you, including a select few fixes to high impact issues discovered in the last patch.
- Dev Diary
Stellaris Dev Diary #386 - Updates and a Wilderness Beta
Hi everyone! It’s been a little while since our last dev diary - this one’s also going to be a bit short since we’ve been focusing on stabilizing 4.0 as much as we can. The 4.0.17 and 18 updates we released yesterday is…
- Patch notes
[Dev Team] 4.0.17 (checksum b786) & 4.0.18 (checksum fdf3) Released
We have just released our latest and greatest patch for Stellaris, 4.0.17 should now be available for download.
- Open beta
4.0.15 Patch (8ae6) & 4.0.16 Open Beta Released
by PDX-Loke Greetings everyone, Another patch has been completed, wrapped up, and sent for distribution via your your platform of choice. 4.0.15 should now be available on Steam, and GOG and MS store following shortly…
- Other
Glu Glu Diary #1 - Glu Glu's Galactic Adventure
Blub blub! Greetings from your favorite aquatic explorer—it's me, Glu Glu! Yes, I know what you're thinking: "A plushie writing a dev diary? Water you talking about?" But trust me, I'm ready to dive right in and spill…
- Patch notes
4.0.14 Patch Released (checksum 1056)
by PDX-Loke Greetings all, Another patch is ready for you to download and apply to your copy of Stellaris, improving the gameplay experience in a variety of ways. 4.0.14 is now available via Steam, and soon also on GOG…
- Dev Diary
Stellaris Dev Diary #385 - AI Benchmarks
written by Eladrin Hi everyone! The 4.0.13 update released today with the following changes: [expand type=details expanded=false]
- Patch notes
4.0.11 Patch Released (checksum 3f89)
by PDX-Loke Hello everyone, Our latest and greatest patch for Stellaris has now been deployed. 4.0.11 is available for download via Steam. This patch contains plenty of bugfixes, balancing tweaks, performance…
- Patch notes
4.0.10 Patch Released (checksum 10cb)
Greetings everyone, Today we bring you a fresh patch, fixing various issues in BioGenesis and 4.0. 4.0.10 should now be available for download via Steam, with GOG and MS Store to follow. Please find the patch notes…
- Dev Diary
Stellaris Dev Diary #384 - The Art of BioGenesis
Hello everyone! Today the artists are excited to bring you the Stellaris Art Blast, but first I wanted a moment to talk about the patching of 4.0 and where we’re going. 4.0.10 will be releasing today (which makes four…
- Patch notes
4.0.7, 4.0.8, and 4.0.9 Patches Released (checksum a854)
by pdx_struby G'day, The 4.0.7 patch for Stellaris 4.0 and BioGenesis is available now on Steam. This patch includes some fixes to stability and performance, as well as a host of other tweaks and bugfixes.
- Open beta
4.0.7 Steam Open Beta (checksum 9128)
by Eladrin We’ve put an open beta up on Steam with some of the fixes that we have scheduled for the 4.0.7 patch, currently planned for next Tuesday. It’s likely that there will be more changes in the final 4.0.7…
- Merch
Stellaris Aquatics Plushie LIMITED EDITION | Makeship x Stellaris
Travelling through the vastness of space can get lonely -- we've got the perfect companion for you.
- Patch notes
4.0.6 Patch Released (checksum aa83)
Hello, Our most recent patch has been readied and released. This smaller update contains fixes to the remainder of the common crashes reported after the initial release, and we hope it will give you all a stable weekend…
- Patch notes
4.0.5 Patch Released (checksum 408d)
Greetings everyone, Our latest and greatest patch has arrived, carrying plenty of fixes and tweaks to improve your BioGenesis and 4.0 playthroughs. Please find the patch notes below:
- Dev Diary
Stellaris Dev Diary #383 - 4.0 has Released, What’s Next?
by Eladrin Hello everyone! We’re one day early with the dev diary this week, but I wanted to get this out to all of you as soon as possible.
- Release
Project Caesar Announcement - May 8th, 18:00 CEST
Planetary Scans of this Tombworld show signs of New Archeology! Scientists state on May 8th at 18:00 CEST, Paradox Interactive unveiled their next Grand Strategy Game, Project Caesar, in a massive showcase!
- Patch notes
4.0.4 Patch Released (checksum 6a76)
Greetings everyone, We have another patch ready for you, bringing a number of bug fixes, balance adjustments, performance optimizations, and stability improvements. Our work continues for all of the above and more…
- Patch notes
Stellaris 4.0.3 "Phoenix" Hotfix Released
Greetings everyone, We have just released a new patch aiming to address a number of the reported issues since yesterday's release of 4.0. We want to thank players for their feedback and bug reports on the issues…
- Release
Stellaris: BioGenesis Available Now
Stellaris: BioGenesis - the first episode of Stellaris: Season 09 - is available now!
- Other
Stellaris Free 4.0 "Phoenix" Update
Hello everyone! We’re less than a week away from the release of BioGenesis and the free Stellaris 4.0 “Phoenix” update, and we’d like to take some time to talk about the things coming in the free 4.0 patch coming to…
- Dev Diary
Stellaris Dev Diary #382 - The Next Step in Evolution
by PDX_Cosmogone Hi everyone! Cosmogone here with the final Dev Diary before May 5th and the release of BioGenesis and 4.0. Today, we’ll be taking a look at the various civics and at the latest innovation in…
- Dev Diary
Stellaris Dev Diary #381 - Time to Get Wild
Hello there everyone, Iggy here! We’ve had a busy week, now let's see what Eladrin wanted me to talk about… The Hive Fallen Empire and the Wilderness origin? In the same diary? Okay… Buckle up for a Wild ride!
- Dev Diary
Stellaris Dev Diary #380 - Defenders in the Stars
Hi, it’s Alfray once again and I’d like to introduce you to our latest megastructure, the Deep Space Citadel. This three stage mid-game megastructure is a powerful defensive bastion and converts into a starbase upon…
- Other
Stellaris S09E01: BioGenesis Story Trailer "The Feast"
In Stellaris: BioGenesis, step into the role of a master geneticist, sculpting the galaxy to your design with living ships, engineered ecosystems, and enhanced species. Forge new paths with unparalleled bioengineering…
- Dev Diary
Stellaris Dev Diary #379 - You Are What You Eat
by PDS_Iggy Good afternoon fellow organics! PDS_Iggy here with the latest evolutions to our organic forms. Way back when, in the summer of 2019 Eladrin (then a simple Game Designer) was left all alone in the office with…
- Open beta
Stellaris 3.99.7 'Phoenix' Open Beta Release Notes
by Eladrin Today's update includes some fixes to Civilians, and armies can now invade planets. Oh, and Cosmic Storms no longer deal devastation. Fixes and Improvements
- Dev Diary
Stellaris Dev Diary #378 - Genetic Ascension, Traditions, & Advanced Government
Hello Stellaris community! I’m PDS_Bojj, a content designer on Stellaris, and as someone with a deep love for storytelling, weird science, and moral quandaries wrapped in biotech horror, working on BioGenesis has been…
- Open beta
Stellaris 3.99.6 'Phoenix' Open Beta Release Notes
by Eladrin Today's update includes some major changes to the planet view, and some very, very basic gestalt functionality. Planets now start with six building slots in their Urban District, with two Zones available to…
- Open beta
Stellaris 3.99.5 ‘Phoenix’ Open Beta update
by Eladrin Today's update adds the Betharian Zone, a Mandarin voice advisor, and new stargazer color variants, with broad fixes throughout.
- Dev Diary
Stellaris Dev Diary #377 - 🥩 MEAT SHIPS MEAT SHIPS MEAT SHIPS 🥩
by Alfray Stryke Hello everybody! Welcome to our first BioGenesis development diary! Today we will talk about ships. That are made of meat. — Several weeks ago, Eladrin mentioned that the ship designer changes…
- Open beta
Stellaris 3.99.4 'Phoenix' Open Beta Release Notes
by Eladrin Today's update includes some AI improvements and fixes to the new breadthwise job allocation.
- Release
Announcing BioGenesis and Stellaris: Season 09
It’s my great pleasure to announce the start of Stellaris: Season 09, with the BioGenesis expansion leading the way alongside the Stellaris 4.0 ‘Phoenix’ update.
- Open beta
Stellaris 3.99.3 ‘Phoenix’ Open Beta update
by Eladrin Another update today for the weekend! Lots of important changes in this one.
- Dev Diary
Stellaris Dev Diary #375 - Notes on the Open Beta
by Eladrin Hi everyone! We’ve entered our second week of the Stellaris 3.99 ‘Phoenix’ Open Beta, and if all goes according to plan are planning another update tomorrow morning with some major changes to the starting…
- Open beta
Stellaris 3.99.2 'Phoenix' Open Beta Release Notes
by Eladrin We have another update to the Open Beta today, and are planning for another later on this week.
- Open beta
Stellaris 3.99.1 'Phoenix' Open Beta Release Notes
by Eladrin Hello everyone! We've updated the Open Beta to 3.99.1, with the following changes:
- Dev Diary
Stellaris Dev Diary #374 - Announcing the 3.99.0 "Phoenix" Open Beta
by Eladrin Surprise! An early Stellaris Dev Diary! Last week I mentioned that on Friday we’d evaluate the current build, and I’d see if I could provide a timeline for the Open Beta. Things have been progressing well, so…
- Dev Diary
Stellaris Dev Diary #373 - 4.0 Development Progress Update
by Eladrin Hello everyone! We’re still hard at work getting the features we’ve been describing into the game, but this week we’re giving you a bit of a progress update, and I’ll be giving my thoughts on what shape…
- Dev Diary
Stellaris Dev Diary #372 - Modding: Pop Groups and Jobs
by Eladrin Hi everyone! This week, Gruntsatwork will discuss the technical details of pop group scripting. This topic is likely to be of most interest to the modding community. The systems we’re implementing now are…
- Dev Diary
Stellaris Dev Diary #371 - 4.0 Changes: Part 5
by Eladrin Hi everyone! This week we’re looking more at the economic changes of the Stellaris 4.0 ‘Phoenix’ update, and how we’re going to update the Planet UI to work with them. As this is all still in development…
- Dev Diary
Stellaris Dev Diary #370 - 4.0 Changes Part 4
by Eladrin Hello everyone! This week we’re going to look at the upcoming changes to Pops in the Stellaris 4.0 ‘Phoenix’ update. Last week I said we might also look at the Planet UI, but I’m going to save that until next…
- Dev Diary
Stellaris Dev Diary #369 - 4.0 Changes: Part 3
by Eladrin Hello everyone! Today we’re going to take a glance at the Trade and Logistics changes coming in the Stellaris 4.0 ‘Phoenix’ update, then check out some new portraits.
- Dev Diary
Stellaris Dev Diary #368 - 4.0 Changes: Part 2
Hello everyone! Today we’re going to take a deeper look at some of the ways we’re adjusting game pacing through changes to Galaxy Generation, Message Settings, Events and Anomalies. Then we’ll take a peek at the Focus…
- Dev Diary
Stellaris Dev Diary #367 - 4.0 Changes: Part 1
by Eladrin Greetings, Stellaris Community! Last week we announced the Stellaris 4.0 ‘Phoenix’ update, today we’re going to start going through some of the changes coming in it. As mentioned before, the changes we’ll be…
- Release
Announcing Steam RTS Fest!
Hello everyone! We’re happy to announce that Stellaris is part of Steam’s Real-Time Strategy Fest!
- Dev Diary
Stellaris Dev Diary #366 - Announcing Stellaris 4.0
by Eladrin Happy New Year! It’s good to be back! I want to start by welcoming all of the new Stellaris players who joined us during the Winter Sale, and to our Chinese community, which has grown so much over the last…
- Other
Feedback Requested: Factions and Politics
Hello Stellaris Community! The devs have started trickling back into the office, and we expect to resume our regularly scheduled dev diaries next week! This means this is our final feedback post of the holiday break…
- Other
Stellaris: Season 08 only 24 hours remaining!
Hello Stellaris Community! We hope you’ve all had a great holiday season, and we’re excited to see people starting to trickle back from their well-earned vacations. That means more Stellaris news is just right around…
- Other
Feedback Requested: Espionage
by MrFreake_PDX Hello Stellaris Community! We hope you’ve all had a great holiday season so far! We’ve collected some excellent feedback so far, with over 8000 responses to the two feedback forms to date. If you want to…
- Other
Feedback Requested: Pirates and Crime
Hello Stellaris Community! We hope you all have had/are having a great holiday season! Last week’s War and War Resolution Feedback Form had over 4000 responses, and we’d like to take the time to thank you all for your…
- Other
Feedback Requested: War and War Resolution
by MrFreake_PDX Hello Stellaris Community! With the devs off on holidays, and a rare four Thursdays in a row free, we decided we would commandeer your regularly scheduled Thursday dev diary slot to gather some feedback…
- Dev Diary
Stellaris Dev Diary #365 - 2024 in Review
by Eladrin Happy holidays everyone! As is tradition, in the last dev diary of the year I like to look over what we’ve done and insert sneaky leaks about next year.
- Dev Diary
Stellaris Dev Diary #364 - Sights Unseen
by Eladrin Hello again, Stellaris Community! Last week we looked back at where we’ve been, and today we’re going to look at possible themes I think we might explore in the future. Like the past few dev diaries, this is…
- Other
Changes to Stellaris: Season 08
Hello Stellaris Community! We hope you’ve been enjoying the content from Stellaris: Season 08! We’re here to let you know that as of today, November 26th, Season 08 will transition from a Steam Package to a Dynamic…
- Dev Diary
Stellaris Dev Diary #363 - A Journey of Exploration
by Eladrin Hello, Stellaris Community! Today we’ll start with preliminary release notes for 3.14.1592, then look back at the past at all of the changes Stellaris has gone through and summarize the feedback you all gave…
- Dev Diary
Stellaris Dev Diary #362 - Overwhelming Power
written by Eladrin Hi everyone! Today we’re going over the release notes from Tuesday, talking about the further plans for the Circinus cycle, and exploring the reaction to last week’s dev diary, The Vision. 3.14.159…
- Dev Diary
Stellaris Dev Diary #361 - The Vision
by Eladrin Hi everyone! Now that the Grand Archive Story Pack is out, I want to do something a little different. With 360 Stellaris Dev Diaries complete, I thought it was time to circle right back around to the…
- Dev Diary
Stellaris Dev Diary #360 - The Archive is Open
by Eladrin Hello everyone! The Grand Archive Story Pack and the Stellaris 3.14.1 ‘Circinus’ update released on Tuesday. Go forth and collect things and capture space creatures!
- Dev Diary
Stellaris Dev Diary #359 - Stellaris 3.14.1 'Circinus' Preliminary Release Notes
Hi everyone! The Grand Archive Story Pack and the Stellaris 3.14.1 ‘Circinus’ update will be releasing next Tuesday, October 29th. Today we have some Preliminary Release Notes for the 3.14.1 release!
- Dev Diary
Stellaris Dev Diary #358 - New Life in the Galaxy
Hi everyone! The Grand Archive Story Pack is lurking in an asteroid field nearby, and will ambush nearby Science Vessels on October 29th. Today’s dev diary will look at the two new space fauna being added to Stellaris…
- Dev Diary
Stellaris Dev Diary #357 -The Care and Feeding of Tiyanki
by Eladrin Saddle up, everyone! It’s time to go a-ranchin’! The Vivarium of the Grand Archive will be accepting genetic material donations as of October 29th. Today we’re looking at the capture and domestication of…
- Dev Diary
Dev Diary #356 - Building a Grand Archive and Displaying Your Collection
by Eladrin Hello, everyone! The Grand Archive opens its doors on October 29th. Today we take a look at the Grand Archive structure itself, specimen collection and display mechanics, and then examine the new Archivism…
- Patch notes
3.13.2 patch released (checksum d465)
by PDX-Loke Dear Stellaris Fans, We've created another small patch for you, aiming to address a couple of noteworthy issues coming out of last week. 3.13.2 is available for download now.
- Release
It Belongs in a Vivarium - Announcing Grand Archive
I’m pleased to announce that the third Episode of Stellaris: Season 08, the Grand Archive Story Pack, will be released alongside the Stellaris 3.14 ‘Circinus’ update on Tuesday, October 29th, 2024. This release…
- Patch notes
3.13.1 patch released (checksum e6fd)
Dear Stellaris Fans, The team has produced a bugfix and balance patch following our 3.13 + Cosmic Storms release September 10th. 3.13.1 is now available for download. Please find the patch notes below, identical to what…
- Dev Diary
Stellaris Dev Diary #354 - Stellaris 3.13.1 'Vela' Preliminary Release Notes
by Eladrin Hi everyone! Today’s dev diary is going to be a relatively short one. The 3.13.1 ‘Vela’ patch is planned for next Tuesday, September 24th, and we have a set of preliminary release notes for you to look over…
- Dev Diary
Stellaris Dev Diary #353 - Cosmic Storms Post-Release
Hi everyone, Gruntsatwork here, putting on my writing hat for today only, while Eladrin is on sick leave. While Dev Diaries are the domain of the Game Directors, we wanted to keep in close contact shortly after a…
- Release
The Cosmic Storms Mechanical Expansion is available now!
The Cosmic Storms Mechanical Expansion is now available as the second installment of Stellaris: Season 08!
- Dev Diary
Stellaris Dev Diary #352 - 3.13 'Vela' Improvements & Preliminary Release Notes
by Eladrin Hello everyone! The Cosmic Storms Mechanical Expansion is nearly here, so today we’ve got preliminary release notes and some of the Custodian changes. Cosmic Storms is going to be released next Tuesday, on…
- Dev Diary
Stellaris Dev Diary #351 - Storm Chaser Origin, Civics, and Precursors
by Eladrin Hi everyone, Today, we’ll review the Origin and Civics of the Cosmic Storms Mechanical Expansion and provide some information about the new Precursors (without spoiling everything!) Cosmic Storms is going to…
- Dev Diary
Stellaris Dev Diary #350 - Storms and their Aftermath
Hi everyone, The Cosmic Storms Mechanical Expansion is going to make planetfall on September 10th. That’s not that far away, so today we’ll be going over the Storm mechanics and their aftermath effects. Passing it over…
- Release
A Storm is Brewing: Announcing Cosmic Storms
I’m excited to announce that Episode 2 of Stellaris: Season 08, the Cosmic Storms mechanical expansion, will be released alongside the Stellaris 3.13 ‘Vela’ update on September 10th, 2024.
- Other
Mod Highlight #8 - Landscape of Dreams
Hello everyone! Welcome to another mod highlight! This will be the final mod highlight of the summer, and we will be returning to our regularly scheduled dev diaries on Thursday! This mod highlight is all about new…
- Other
Mod Highlights #7 - A Star to Steer By
by MrFreake_PDX Hello everyone! Welcome to another mod highlight, Michael_Stellaris has some great mods lined up for us this week, and this week’s theme is exploration! These mods will make the galaxy more interesting…
- Other
Mod Highlight #6 - The Friends We Made Along The Way
Hello everyone! While the devs are off frolicing in the sun, we decided this is a great opportunity to highlight (mostly) community mods!
- Merch
Stellaris Starfish Plushie | LIMITED EDITION | Makeship x Stellaris
If you've ever wanted to have a citizen of the Stellaris universe staring at you from across the room, now's your chance! Stellaris and Makeship have teamed up to bring this war criminal adorable Starfish Plushie to…
How the posts are labelled
The label is ours and comes from the title alone; the first rule that fits wins, a title that fits none is “Other”. Dates are Steam's post time in UTC.
- Dev Diary: title says "Dev Diary"
- Open beta: title names an open beta
- Patch notes: title says a version is released, or Patch Notes, Hotfix, checksum
- Release: title says something is available now, out now, live, announced or has a release date
- Merch: title names merchandise, a book, a soundtrack, a bundle or a sale
Source: the Community Announcements feed of the Stellaris Steam page, nothing from press sites. Not affiliated with Paradox Interactive.