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UNDER NIGHT IN-BIRTH II Sys:CelesEventsRegarding the network issues and hotfix update
Game update

Regarding the network issues and hotfix update

UNDER NIGHT IN-BIRTH II Sys:Celes · published 25 Jan 2024, 13:24 UTC · build 13270469

All eventsPlayers around this dateRead on Steam

Thank you for supporting UNDER NIGHT IN-BIRTH II Sys:Celes.

We confirm that there are issues causing the application to shut down abruptly in network mode. An investigation is in progress to track down the source of the issues.
We would like to sincerely apologize to players for the inconveniences caused in-game.

To fix some of the issues, we have released a hotfix update for the Steam version of UNDER NIGHT IN-BIRTH II Sys:Celes.


  • Network Mode
  • General
    -Fixed an issue of inaccurate ping numbers shown during online matches.
    -Fixed the application from crashing when having more than 9 search results on casual matches,
    ranked matches and player matches
    -Fixed an issue causing the room search results to return as blank from the second search result.
    -Fixed an issue to show the correct user names on each room search results .
  • Ranking
    -Fixed an issue to show the correct user names on the rankings board.

We would like to apologize for the inconvenience caused by the issue.

We will post our future updates and its schedule on our official X account.

Thank you for your unwavering support for UNDER NIGHT IN-BIRTH II Sys:Celes.

More from UNDER NIGHT IN-BIRTH II Sys:Celes

Other announcements

All events
Community29 Jun 2026DLC Character #4 "Zohar" Character TrailerClaws encroaching unseen, the "Doppelganger" joins the battle under the dark veil!UNDER NIGHT IN-BIRTH IGame update24 Dec 2025[Ver.1.35.01] Patch ReleaseThis update aims to improve the network connection issues occurring for some players under certain conditions. While we cannot guarantee this patch will fix the issues for all play environments, we expect it will result in improvement for some confirmed instances. We sincerely apologize for the inconvenience caused to the players impacted.UNDER NIGHT IN-BIRTH IGame update1 Oct 2025[Ver.1.35]Patch NotesThis update to Version 1.35 consists of balance adjustments for game mechanics as well as some characters. The outline and purpose of the game balance changes are summarized in the “Battle Related Adjustments” section. ■General Updates Changed Battle Version to 1.35. Fixed a portion of the sign that can be seen in the “Deep Azure Aquarium” stage. Other minor bugs have been fixed. ■ Training Mod…