Anno 117: Pax Romana — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| [UPDATED] Update 1.5 launch issues & Hotfix | 2026-05-01 | UPDATE: We have just released a hotfix for PC addressing:A crash for campaign savegames upon loadingA crash related to defeating a rivalAdditional bug fixes are planned for the next patch.ORIGINAL POST:Hey Anno Community,the release of "Prophecies of Ash" certainly didn't go as smoothly as we were hoping and we want to apologize for the inconveniences caused.We're seeing a number of automated crash reports coming in related to mainly campaign savegames, and several of you have now also reached out with We're currently investigating these crashes in order to prepare a hotfix and will update you as soon as we have news on its release. We're als |
| Prophecies of Ash DLC Available Now! | 2026-04-30 | A new land rises from the fire, ready for those bold enough to claim it. Witness the fury of the volcano and the rebirth that follows in Prophecies of Ash. Go watch the trailer and prepare your empire. https://store.steampowered.com/app/3858750 |
| Anno 117: Pax Romana - Patch Notes 1.5 | 2026-04-29 | Release Date: April 30th, 2026Download Size: PC Steam – 6.5GBBefore jumping into the full changelog, please find below a short list of Known Issues you may encounter while playing. Most of these are being worked on or already have a fix and will soon be addressed in Patch 1.5.1.Notable Known IssuesShips change name upon province changeBuilding lose their shadow and the ocean its waves on the highest zoom level under certain camera angles on/near CinisA TRAJAN-120913-01 error desync is displayed after transitioning from Part 1 to Part 2 in a CO-OP CampaignA destroyed pirate’s trading post continues to spawn ships even when their enemies (playe |
| Release Delay & Free Update Highlights | 2026-04-23 | Prepare for fire, smoke and ash: in just a few days, on April 30th, the “Prophecies of Ash” DLC releases on all platforms. Settle Cinis, the largest island in Anno’s history, turn it into your new capital in Latium – and endure the moods of the volcano, bringing both destruction as well as powerful buffs.Important: Due to a potentially savegame-breaking bug we decided to postpone the release of Prophecies of Ash and patch 1.5 from April 23rd by one week to April 30th. Alongside the DLC, we’re releasing Patch 1.5, again including a variety of changes, improvements and bug fixes. While the full patch notes will be released next week, today we w |
| Devblog: Volcanic Eruptions and valuable Obsidian | 2026-04-14 | Governor, we’re so glad you’re here! We worried the falling rocks may have sunken your ship.We urgently need your help: look at our once beautiful city on the hills of Cinis! Houses burned down, public buildings damaged by huge rocks, and fields and forests covered in ash. We’re eager to rebuild, governor, we just need your guidance.Cause we can build it brighter than before: the volcano’s ash can fertilize our fields and our scouts sent reports of that black obsidian. Let us create statuettes in Vulcan’s honour and give him praise for taming the great volcano.Come with us, we’ll show you!Welcome to the second DevBlog to the “Prophecies of As |
| Devblog: Travelling to the volcano island | 2026-04-10 | On April 23rd, the first gameplay DLC for Anno 117: Pax Romana will release: Prophecies of Ash. This DLC will expand the province of Latium and add the biggest island in the history of Anno to the very North: Cinis.Very important note right away: you won’t have to start a new savegame to enjoy the DLC. It can be integrated in any existing save.Aside from this vast space of land for you to build your megalopolis on there is another dominating visual feature: the volcano! Eruptions can not only cause destruction in your cities but also impact your economy during volcanic winter.Check out the official trailer before we dive into the details:This |
| Announcing the Anno Day event! | 2026-03-31 | Hey Anno Community!April is right around the corner, today is Anno 1602’s birthday AND the release of Anno 117: Pax Romana’s first DLC, “Prophecies of Ash”, isn’t far anymore.We want to kick-off this month with a full day event: Anno Day!A day celebrating 28 years of Anno games across the ages with a 9-hours livestream – yes, 9 full hours, you read that correctly. Whether you’ve been with us from the start or joined us in recent years, you are welcome to join us as we cannot wait to experience this day with all of you Annoholics!There’ll be live gameplay, giveaways, developer Q&A opportunities, special guests and… reveals? Mark April 9th in y |
| Get 25% off Anno 117: Pax Romana | 2026-03-19 | Anno 117: Pax Romana is 25% off from March 19 to March 26. Rome is calling, will you answer? https://store.steampowered.com/app/3274580/Anno_117_Pax_Romana/ |
| Anno 117: Pax Romana – Patch 1.4.1 | 2026-03-05 | Release Date: March 5th, 2026, at 10 AM UTC | 11 AM CETDownload Sizes:XB – 19 GBPS5 – 2,77 GBPC – 4,7 GBSteam – 533 MBBug FixesGameplayRaytracing on PS5, PS5 Pro and Xbox Series X is backFixed an issue with false “Water cannot flow uphill” message, when interacting with aqueductsThere should be no re-occurrence of resident quests that show no objectives in the quest trackerFixed the “Disembark all Troops at once” behaviourThe “PIUS-147426-01” error message shouldn’t show up during first launch of the game any longerThe Sandstone ground pattern does use the correct scaling also on diagonal usage nowMultiplayerFixed a Desync when moving/deletin |
| Year 1 teaser and news on patch 1.4.1 | 2026-02-27 | It’s one week since the release of the “Marvellous Mosaic Pack” and it’s been great fun to observe in which ways you are using the various groundplates and mosaics.Today, we have a bunch more news for you in this article on what’s coming up in the next days and weeks, starting with…Tavern Gossip – what does the future hold?Somewhere in Latium, an unlikely group assembled in a tavern. What they discussed there? Oh, just some rumours and speculations on what this year’s DLC will add to Anno 117: Pax Romana.Listen in to their conversations below and learn what really concerns the Libertus.Will you reassure the Libertus? Already planning your tra |
| Get 25% off Anno 117: Pax Romana | 2026-02-26 | Anno 117: Pax Romana is 25% off from February 26 to March 12. Rome is calling, will you answer? https://store.steampowered.com/app/3274580 |
| The Marvellous Mosaic Pack Is Out | 2026-02-19 | The first Cosmetic DLC for Anno 117: Pax Romana is out! With over 30 new mosaic ground designs, elegant walls, arches, and fresh skins for the Bathhouse and Forum, you can give your city a refined artistic identity. Get a closer look at the Marvellous Mosaic Pack in this sizzle trailer. See the new tile patterns, building skins, and inspiring layout ideas for your city. This Cosmetic DLC gives you new tools to shape elegant plazas and highlight your key buildings. Whether you're enhancing a bustling city center or crafting a new landmark, these mosaics bring Roman flair to every corner. Available now on Steam! https://store.steampowered.com/a |
| Anno 117: Pax Romana – Patch 1.4 | 2026-02-19 | Release Date: February 19th, 2026, at 10 AM UTC | 11 AM CETDownload Sizes: Steam – 5.7 GBHighlightsAdding support for the “Marvellous Mosaic Pack” Cosmetic DLCFixed issues with escort-type questsFixed an issue with the silo bonus not applying anymore after the game was restatedFixed an issue with street range indicators disappearingFixed an issue with high mouse input lag on PlayStation 5More desync fixesNotable Known IssuesDue to a bug, Raytracing is currently disabled on console and will be fixed with the next patchPlayers will encounter a multiplayer desync when moving/deleting CDLC walls without owning themAqueduct edges can sometimes not |
| DevBlog: The Marvellous Mosaic Pack | 2026-02-12 | Hey Anno Community,It’s been a long time since our last DevBlog dedicated to a Cosmetic DLC – the last one was back in 2024 for the “End of an Era” Pack – and we’re super excited to restart the tradition with our first CDLC for Anno 117: Pax Romana. We did tease you a bit in the past week on our socials, and as promised, today you are getting all the details on our upcoming content: the Marvellous Mosaic Pack CDLC!In today’s DevBlog we showcase the content of the pack and shine a light on the amazing work behind it together with Laura, Senior Prop Artist, and Rolf, Expert Artist. So, if you don’t want to miss out – keep reading! The Marvellou |
| Anno 117: Pax Romana – Patch 1.3.2 | 2026-01-29 | Please find below the patch notes for version 1.3.2Release Date: Thursday, January 29th, 10AM UTC | 11AM CETHighlightsAdjustments to the prices of many goodsIncreased likeliness and intensity of Major IncidentsFixed issue related to global religion buffsFixed several causes for crashes and desyncsBalancingThe base prices of many goods were adjusted (mostly increased), resulting in higher buying and selling pricesConsumption was accordingly also very slightly decreased for some goodsDifficult and aggressive rivals are now more likely to declare war on the playerWe have adjusted multiple behaviour reasons to make it more likely for rivals to st |
| Union Update: Launching into 2026 | 2026-01-19 | Happy New Year, Anno Community!We hope you had a great start into 2026. The year will be filled with Anno content and news, let’s get started right away with an overview of the next couple of months:On January 29th, we’ll release patch 1.3.2 with several more bug fixes as well as balance changes – the full patch notes will be available on release day.After that, more content and fixes will drop in the second half of February. More details in a few weeks.Additionally, we’ll have several DevBlogs lined up covering not only the topics of music and sound (originally presented in a livestream in December by our Audio Team) but also insights into t |
| Hotfix: Snow effect removed | 2025-12-25 | We deployed a hotfix to remove the snow effect on PC. |
| Happy Holidays 2025 | 2025-12-19 | Hey Anno Community,Here we are at the end of a special and eventful year: 2025 was a huge milestone for Anno and the Anno team, with the release of Anno 117: Pax Romana. So many things have happened throughout the year and today we would like to have a look at 2025 and recap the latest news. Version 1.3 of Anno 117: Pax Romana is liveIn case you missed it, this week we released version 1.3 of Anno 117: Pax Romana, which fixes several bugs, crashes and performance issues and resolves various causes for desyncs. If you missed the Patch Notes that we shared last week, you can find them here.If you encountered any issues following the patch, plea |
| It’s Version 1.3 release day | 2025-12-16 | Hey Anno Community,Today we are releasing Version 1.3 of Anno 117: Pax Romana! This patch fixes several bugs, crashes and performance issues and resolves various causes for desyncs. If you missed the Patch Notes that we shared last week, you can find them here.A few highlights:Fixed several crashes and performance issuesFixed various causes for desyncsWith these desync fixes, we’ll also re-enable crossplay for Xbox since all 3 platforms will be on the same version againAdded various updates and fixes to texts and localizationsFixed an issue with deities (Ceres, Neptune, Mars) disappearing from the Religion menuFixed an issue making it impossi |
| Patch Notes - Version 1.3 | 2025-12-09 | Please find below the patch notes for next week’s update. Version 1.3 will release on all platforms on Tuesday, December 16th, at 10AM UTC.HighlightsFixed several crashes and performance issuesFixed various causes for desyncsWith these desync fixes, we’ll also re-enable crossplay for Xbox since all 3 platforms will be on the same version againAdde various updates and fixes to texts and localizationsFixed an issue with deities (Ceres, Neptune, Mars) disappearing from the Religion menuFixed an issue making it impossible to upgrade blueprints of slot buildings (mountain, river, marshland) and farmsFull Patch NotesGeneral ImprovementsPirate Ships |