[Libreoffice-bugs] [Bug 141959] New: LibreOffice Vanilla - Writer displays lines across page width where none should be present - screen redraw issues

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=141959

            Bug ID: 141959
           Summary: LibreOffice Vanilla - Writer displays lines across
                    page width where none should be present - screen
                    redraw issues
           Product: LibreOffice
           Version: 7.1.2.2 release
          Hardware: ARM
                OS: Mac OS X (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: iplaw67 at tuta.io

Description:
Several Writer documents that display without issue on other older versions of
LibreOffice are now displaying black lines across the width of the page.

A screenshot is attached. The part of the document screenshotted should be
blank (default Writer document background).

Scrolling down often makes the lines disappear, but an upwards scroll brings
them back.

It seems, to all intents and purposes, that only the refreshed screen portion
is redrawn in successive small steps, hence the appearance of the lines.  

Steps to Reproduce:
1. Load a multipage Writer document.
2. Scroll down.
3. Observe presence of lines drawn across width of page, which disappear /
reappear as scrolling progresses downwards or upwards.

Actual Results:
Incorrect screen redrawing while scrolling

Expected Results:
No redraw issues, smooth display of document.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Version: 7.1.2.3 / LibreOffice Community
Build ID: a393d9064b7eb849da7f488ab43f56a404be32ae
CPU threads: 8; OS: Mac OS X 11.3; UI render: default; VCL: osx
Locale: fr-FR (fr_FR.UTF-8); UI: fr-FR
Calc: threaded

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