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  1. Qt
  2. QTBUG-92822

QTextBoundaryFinder broken for multipart emoji in Qt 5.15

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    Details

    • Platform/s:
      All
    • Commits:
      a794c5e287381bd056008b20ae55f9b1e0acf138 (qt/qtbase/dev) a3f75608f0e8339ae2a6ca4b34955d69fdbacc84 (qt/qtbase/6.1) cf00353f303de3956a4116f4cec826e16aa6181f (qt/qtbase/6.0) be0aa6a9a230dc98994cb65d97b76be7ae695a44 (qt/tqtc-qtbase/5.15)

      Description

      TextBoundaryFinder tb(QTextBoundaryFinder::Grapheme reports that https://emojigraph.org/man-singer emoji is of width 2 whereas the correct answer is 1. Works fine in Qt 5.14.0, broken in Qt 5.15.0 - Qt 6. Attached is a reproduction case.

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          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-94951 Qt 6.2 alpha assertion failed in qunicodetools.cpp

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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            Activity

              People

              Assignee:
              peppe Giuseppe D'Angelo
              Reporter:
              vadi Vadim Peretokin
              PM Owner:
              Maurice Kalinowski Maurice Kalinowski
              RnD Owner:
              Alex Blasche Alex Blasche
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                Dates

                Created:
                Updated:
                Resolved:

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