Language environment UI display issues #3260

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1. github-actions commented on Oct 18, 2025

   

   github-actionsBot

   on Oct 18, 2025 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • The terminal UI display is abnormal #1146: Similar terminal UI display abnormalities with visual layout problems
   • [bug] opencode produces gabled text when input containing non-ascii characters #2593: Garbled text when input contains non-ASCII characters (Chinese)
   • TUI editor hides some double-byte characters in the input field #2920: TUI editor hides double-byte characters in input field (CJK characters)
   • Korean characters disappear in the input prompt when using WezTerm/Ghostty #2013: Korean characters disappear in input prompt with certain terminals

   All of these issues relate to character encoding, internationalization, and UI display problems with non-English locales/characters. Your issue with LANG=zh_CN.UTF-8 causing UI breakage appears to be the same underlying problem with how opencode handles different language environments and character encodings.

   Feel free to ignore if none of these address your specific case.
2. rekram1-node

   assigned

   thdxr

   on Oct 18, 2025
3. rekram1-node commented on Oct 18, 2025

   

   rekram1-node

   on Oct 18, 2025

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   this should be fixed when opentui version ships next week

   👍React with 👍1Reacted by dipping5115
4. hallelujah-shih commented on Oct 27, 2025

   

   hallelujah-shih

   on Oct 27, 2025

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   I also encountered display issues in the UI input field when entering Chinese, and sometimes garbled characters appear.

   Environment:

   • Operating System: Fedora 42 with GNOME Wayland
   • opencode version: v0.15.16
   • Launch command: LC_ALL=zh_CN.UTF-8 opencode

   Issue Description:
   When attempting to input Chinese text (specifically "中文测试" meaning "Chinese test") for testing purposes, display issues occur. As demonstrated in the attached screenshot, the Chinese characters are not rendering correctly or experiencing display problems.

   
5. dipping5115 commented on Oct 27, 2025

   

   dipping5115

   on Oct 27, 2025

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   hi @hallelujah-shih , your issue may not cause by envirmont variable, see #2013, #2593 and #2920
6. Nindaleth commented on Dec 25, 2025

   

   Nindaleth

   on Dec 25, 2025

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   @hallelujah-shih Please retry on 1.0.x versions, this is my result on LC_ALL=zh_CN.UTF-8 opencode:
   
7. dipping5115 commented on Dec 27, 2025

   

   dipping5115

   on Dec 27, 2025

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   I just tested this, and it looks like the problem is resolved, so I'll close this issue. Feel free to reopen it if needed.
8. dipping5115

   closed this as completedon Dec 27, 2025