https://bugs.kde.org/show_bug.cgi?id=513925
Bug ID: 513925
Summary: Arabic Subtitle Track: Broken Text Shaping
(Disconnected Letters) in 25.12.0
Classification: Applications
Product: kdenlive
Version First 25.12.0
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Timeline & Editing
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 188047
--> https://bugs.kde.org/attachment.cgi?id=188047&action=edit
Screenshot showing disconnected Arabic letters in the Project Monitor compared
to the subtitle editor.
SUMMARY
Arabic text in the Subtitle Track does not connect correctly in the Project
Monitor. While the text appears correctly shaped in the Subtitle Editor, the
preview shows individual, disconnected letters.
STEPS TO REPRODUCE
1. Add a Subtitle Track to the timeline.
2. Type an Arabic sentence (e.g., "والصلاة والسلام").
3. Observe the text in the Project Monitor.
OBSERVED RESULT
Arabic letters are rendered in their isolated forms and are disconnected (e.g.,
"و ا ل ص ل ا ه" instead of "والصلاة").
EXPECTED RESULT
Arabic characters should be correctly shaped and connected according to
standard orthography.
ADDITIONAL INFORMATION
This issue is specific to the Subtitle Track. Internal Title Clips render
Arabic correctly when the RTL option is enabled. It seems to be a rendering
issue with the subtitle engine in the new 25.12.0 release.
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