东方联战 — 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 |
|---|---|---|
| July 20th Hotfix | 2026-07-19 | Bug Fixes Fixed a configuration issue caused by an error in the table reading logic. |
| July 19th Bug Fix Update | 2026-07-19 | Bug Fixes Fixed an issue where forced draw would fail when the deck size was smaller than the required draw count. Fixed an issue where the "Max HP -1" effect description of the random passives "Ice Wall/Shelling" was missing. Fixed a buff display error for the enemy Nagae Iku. Fixed an issue where excess effects on the random skills "Devastation II" and "Defense Shatter" prevented playing identical cards. Fixed abnormal interaction hitboxes during animation playback. Fixed configuration errors in some enemy weaknesses. Corrected errors in the descriptions related to "Spell Card Pack". Adjustments Significantly raised the Incense cap. Improve |
| June 28th Emergency Bug Fix Update | 2026-06-27 | Dear Players, Due to an operational mistake on our part, version 1.1.6 contained a version number issue that could prevent certain save data from loading correctly, affecting normal gameplay. This issue has now been resolved through an emergency update. We sincerely apologize for the inconvenience this has caused. We will strengthen our pre-release verification process to prevent similar issues from happening again. Thank you for your understanding and continued support. |
| June 27th Bug Fix Update | 2026-06-26 | Bug Fixes Fixed an issue where the number of cards displayed in hand did not match the actual amount under certain conditions. Fixed an issue where some tip parameters could not be read. Fixed an error caused by a format issue in enemy Sakuya's skill configuration. Fixed an issue where the enemy Yukari Yakumo's Spell Card could not be granted the Undying effect. Fixed an issue where the Undying sticker's self-destruction effect was not functioning. Fixed a display issue with Keine Kamishirasawa's playable character portrait. |
| June 13th Update | 2026-06-12 | Bug Fixes Expanded the damage display and calculation cap to fix incorrect display of high damage values. Fixed an issue where rapidly tapping the main button on the bulletin board screen could cause events to be skipped or loading errors to occur. Improvements Improved enemy configurations, allowing encounters with a wider variety of characters in battle. Adjustments Adjusted the weakness attributes of certain enemies for better battle balance. |
| May 27th Bug Fix Update | 2026-05-25 | Bug Fixes Fixed an issue where the Mantra Card reward in the Master Spark skill was incorrectly configured as a Star Card. Fixed incorrect timing of Imprison removal. Improvements Improved enemy event descriptions. Adjustments Adjusted the logic for enemy Houraisan Kaguya to apply Imprison. |
| May 20th Bug Fix Update | 2026-05-19 | Bug Fixes Fixed an issue where data reading could be interrupted in rare cases. Fixed an issue where global detection trigger effects on Battle Cards would not reactivate after reloading a save file. Fixed an issue where purchasing the Mantra Card Deluxe Pack or Gods Card Deluxe Pack in the Store would only apply the effect of one card. |
| May 19th Bug Fix Update | 2026-05-18 | Bug Fixes Fixed an issue where already owned Spell Cards could be re-acquired. Added protection checks for Card Pack opening and Store purchases. Fixed an issue where forced effects were automatically released when Weakness was not triggered during resolution. Fixed a text prompt reading error. Fixed an issue where some card trait descriptions were still visible under the Blind status. Fixed an issue where the score panel was not properly cleared after resolution. Fixed a runtime exception that could occur in specific scenarios. Fixed an issue with cloud save synchronization between different devices. Improvements Added warning prompts and pr |
| May 15th Bug Fix Update | 2026-05-15 | Bug Fixes Fixed the description text of Remilia Scarlet's skill "Scarlet Sign 'Scarlet Flash'". Fixed an issue where Flandre Scarlet's skill "Sister of the Devil" would continuously add stickers to hand cards. Fixed the description text of Shameimaru Aya's skill "Violent Reporting". Improvements Increased the damage output of Alice Margatroid's skill "Puppet Sign 'Maiden's Bunraku'". Enhanced the effects of Flandre Scarlet's skills "Taboo 'Lävatein'" and "Destroyer in Palm". Adjustments Adjusted the effect values of Remilia Scarlet's skills "Scarlet Destiny" and "Scarlet Sign 'Scarlet Flash'". Adjusted the mechanic of Flandre Scarlet's skill |
| May 14th Bug Fix Update | 2026-05-13 | May 14th Bug Fix Update Bug Fixes Fixed an issue where skill viewing could be incorrectly triggered during scene transitions. Fixed an issue where the second Spell Card selection would be skipped when only one card was chosen from a Deluxe Pack in battle rewards. Fixed a layout issue when viewing the Card Deck during battle. Migrated local save data path to fix an issue where the save path was inaccessible on certain devices. Fixed potential exceptions caused by event index out of bounds. Adjusted resolution timing to prevent unintended interaction before resolution completes. Improvements Improved display of certain localization text. Added |
| May 11th Bug Fix Update | 2026-05-10 | Bug Fixes Improved stability of interaction calls under certain conditions. Fixed an error that occurred when saving for the first time due to a missing file path. Fixed an issue when selecting reward spell cards where previously chosen options became unavailable. Improvements Added a notification when Consume Card slots reach the maximum limit. In Research, selected Battle Cards without a Sticker equipped can no longer enter the upgrade process (and will not consume an upgrade attempt). Added a notification when there are no cards left to draw. Improved localization display of title text in the Spell Card interface. Added more Tips to improv |
| May 10th Bug Fix Update | 2026-05-09 | Bug Fixes Fixed an issue with spell card drawing during battle. Fixed an error that occurred during the draw phase when all cards in the deck were already in hand. Fixed missing characters. Fixed an error in the probability trigger algorithm. Adjustments Adjusted the instant kill effect display to "∞×∞". Added a prompt message when no cards are available to draw. |
| May 9th Bug Fix Update | 2026-05-08 | Bug Fixes Fixed an issue where Remilia Scarlet's skill could not correctly increase the Consume Card slot, and fixed a rich text display issue in the related skill description. Fixed an issue where the game flow could get stuck when attempting to draw from an empty Card Deck. Fixed an issue where clicking primary/secondary buttons with no action assigned caused incorrect interactions and errors. Fixed an error related to research count cost in Sakuya's 5-star skill. Fixed design errors in Fantasy Spell Cards "Magician's Basic Study" and "Beauty of Destruction" caused by research function optimizations. Fixed multiple Star Card issues: incorre |
| May 8th Bug Fix Update | 2026-05-07 | Bug Fixes Fixed multiple numeric parsing and conversion issues, preventing logic interruptions caused by failed value reads for damage and multiply. Fixed a data read error caused by improper initialization order when entering battle. Fixed a configuration error with Keystone Missile and resolved several effect issues related to Bomb determination. Added the missing effect description "removes self after being played" for Trump Card. Adjustments Expanded the scope of the probability doubling effect. Adjusted Hakurei Reimu's 5-star skill parameters to expand its effective range. |
| May 7th Bug Fix Update | 2026-05-06 | To Our Players: The holiday period has ended, and our development team members are no longer working on this game full-time. As a result, the pace of future updates and bug fixes may slow down. We sincerely appreciate your understanding, and we will do our best to push out fixes and updates as quickly as possible. Thank you for your continued support and patience! Bug Fixes Refactored the damage calculation pipeline, improved calculation precision and optimized related display effects. Fixed additional issues introduced by the pipeline update. Fixed missing characters and related display formatting issues. Improvements Improved the display of |
| May 5th Bug Fix Update | 2026-05-05 | Bug Fixes Fixed an issue where the deck count could become abnormal when reshuffling after the deck is depleted. Fixed an issue where Spell Cards could not correctly retrieve related deck data in certain situations, and where feedback effects could point to non-existent instances. Fixed a logic interruption caused by the Spell Card description panel being triggered before initialization was complete. Fixed an issue where the number of stickers in Spell Card descriptions did not match the actual effect trigger count. Fixed an issue where the "Frolic" effect resetting the hand limit incorrectly affected Sanae's hand limit, and corrected the con |
| May 4th Bug Fix Update | 2026-05-04 | Bug Fixes Fixed an issue where the Scoreboard displayed incorrect default values. Fixed an issue where the Global Probability Multiply setting did not take effect. Fixed an issue where the Gods Card Pack could not be refreshed in the Store, preventing related Spell Cards from being unlocked in the Gallery. Fixed an issue where damage was displayed incorrectly during final battle settlement. Fixed an issue where the ability to disable individual Card Builds was not working properly. Fixed an issue where the Berserk effect could stack repeatedly. Fixed an issue where destroyed Spell Cards could appear during Draw Card. Fixed an issue where Draw |
| May 3rd Bug Fix Update | 2026-05-02 | Bug FixesFixed an issue where local settings were not applied correctly after restarting the game.Fixed a display issue in certain numeric-only areas caused by missing symbol font characters.Fixed a null reference error in spell card data setup and the spell card disable feature when no valid spell cards were in effect.Fixed an issue where spell card tooltips appeared in incorrect positions at resolutions other than 1920×1080.ImprovementsImproved primary and secondary button interaction logic so they no longer respond to clicks when no actions are available. |
| May 2nd Update Notes | 2026-05-01 | Bug Fixes Optimized character design and adjusted skill effects. Fixed the issue where single rewards couldn't display descriptions again after being obtained when slots were full. Fixed the description error of the instinct "ID Liberation". Fixed the partial size adaptation issues of character selection and board interface. Fixed the display issue of battle card multiplier calculation. Fixed the issue where card disable function didn't take effect. Adjusted the settlement process to fix the issue where hand card judgments didn't take effect during settlement. Fixed the description reference error issues with wine tasting and tea drinking. Fi |
| 5.1 bugfix 2 | 2026-04-30 | 1. fix a wrong logic that unlock will just happened when finish the game. 2. Change some log level to avoid the choke |
| 5.1 bug fix | 2026-04-30 | fixed a wrong logic which may cause the achievement by wrong condition |
| Touhou Unite Arena Is Now Available | 2026-04-30 | Hello everyone, Touhou United War is officially available on Steam today.Thank you to everyone who has been following and supporting us. We hope this game brings you an enjoyable experience. If you like the game, we would greatly appreciate it if you could leave a review, as it would be a huge help to us.Feedback and CommunityIf you encounter any issues while playing, or if you have any suggestions or ideas, please feel free to reach out to us through the following channels:Official Discord Server: https://discord.gg/eVwWe4TXaJoin our Discord to share feedback, report issues, and chat with other players.We hope you enjoy the game! |
| Summary of Tests and Future Development Planning for Eastern Warfare | 2025-11-02 | This demo test is 14th October Turn it on. During the test, we will Received Many Comments Feedback, Of course, there are a lot of bugs, participate in The test was done Player numbers and feedback content Both exceeded our expectations. We also see what everyone expects of us. 。Although the bug is busy, but At this point, we would like to thank everyone who participated in the test and provided valuable input! I. Test problems and optimization recommendations1. Bug fixes: We collected a total of them. More than 50 Various types of bugs, mainly focused on The following aspectsa. Game mechanics: Repairing match recognition, fast match / match |
| Demo will be closed | 2025-10-24 | Hello everyone, this is the development team of "Touhou Unite Area"!Thank you for your enthusiastic participation in the Demo trial over the past few days. We have received a great deal of valuable bug feedback, most of which has been urgently fixed. Meanwhile, the optimization suggestions from many players have been highly inspiring, and the team is working diligently on modifications based on them.This Demo experience will be temporarily closed this weekend. Afterward, we will regularly update our development progress on social media to keep you informed about the game's growth.Please rest assured that this is not the end. Before the offici |
| 10.19 fix update | 2025-10-18 | 1. Adjusted the judgment rules for the "Bomb" hand type and rebalanced the base multiplier formula.2. Fixed an issue with no effects for the "Quick Straight" and "Quick Flush" features.3. Fixed a display error with Yuyuko's character portrait.4. Fixed an issue where, under certain conditions, the hand could not be expanded and applied after unfolding a "Mantra" card pack.5. Fixed an issue where the hand type name would not display when the base multiplier contained a decimal point.6. Added localization for some text displays.7. Adjusted several Japanese translations and text layouts.8. Fixed an issue where the effects of several stickers rela |
| 10.16 bugfix update | 2025-10-15 | 1.0.21. Fixed an issue where reshuffling the deck after drawing all cards would create a duplicate deck.2. Fixed a visual bug where redrawn cards appeared selected in the hand but were not actually selected.3. Fixed an error in the final results screen that could prevent difficulty levels from being unlocked correctly.4. Fixed an issue where starting a new save, failing, or clearing the game without restarting the application would reset the money to zero.5. Fixed a display error on the final results screen showing 1 more money earned than actual.6. Adjusted the update timing of some save parameters to resolve issues with corrupted global pro |
| 10.15 update | 2025-10-15 | 1. Fixed an issue where progress was not reset and the schedule interface automatically loaded upon returning to the title screen after final settlement execution.2. Resolved a problem where the Straight Flush hand type was not being recognized as a valid Straight.3. Corrected an issue where skill-generated point bonuses were incorrectly displayed as +99 in feedback.4. Fixed a bug where progress was saved in the current event after expanding card packs requiring specific hands in the shop.5. Addressed an issue where obtaining multiple battle spell cards at once displayed the prompt as +1.6. Adjusted the display behavior of battle spell card d |