New subject: [Bug 2251423] ibus 1.5.29-rc2 causes problems with preedit text on some application (currently confirmed affected application includes Java applications and Godot engine)

24 Nov 2023

      https://bugzilla.redhat.com/show_bug.cgi?id=2251423
Bug ID: 2251423
           Summary: ibus 1.5.29-rc2 causes problems with preedit text on
                    some application (currently confirmed affected
                    application includes Java applications and Godot
                    engine)
           Product: Fedora
           Version: 39
          Hardware: x86_64
                OS: Linux
            Status: NEW
         Component: ibus
          Keywords: CommonBugs, i18n, Regression
          Severity: high
          Assignee: tfujiwar@redhat.com
          Reporter: mateusrodcosta@gmail.com
        QA Contact: extras-qa@fedoraproject.org
                CC: i18n-bugs@lists.fedoraproject.org,
                    shawn.p.huang@gmail.com, tfujiwar@redhat.com
  Target Milestone: ---
    Classification: Fedora
ibus 1.5.29~rc2 breaks some applications with its new preedit text behavior.
Downgrading to ibus 1.5.29~rc1 solves it.
This issue happens when using the preedit functionality, for example when using
the "Us-Intl with deadkeys" layout and trying to input accented characters (for
example: á, é, ã).
The noticed behavior is:
On Android Studio: The application gets confused and, after preedit is used for
the first time, all new characters get stuck on being inserted in the same
place as the preedit until window is switched.
On Godot engine: After preedit tries to get used, Godot refuses to receive
further text input
Reproducible: Always
Steps to Reproduce:
1. Have ibus 1.5.29~rc2 with a layout such as Us-Intl with deadkeys
2. Open Godot or any Java application
3. Try to type accented charaters
Actual Results:  
Wrong preedit behavior prevent proper usage of application.
Worst case scenario applicaiton stopped receiving text input.
Expected Results:  
Proper preedit functionality.
Upstream issue is https://github.com/ibus/ibus/issues/2585.
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[Bug 2251423] New: ibus 1.5.29-rc2 causes problems with preedit text on some application (currently confirmed affected application includes Java applications and Godot engine)