Dear Maintainer,

In a UKWM (X11) session, enabling Settings -> Theme -> Window Effects ->
“Effects mode” causes the calendar popup window to show ghosting and
residual rendering artifacts.

Steps to reproduce:

   1. Log into a UKWM (X11) session.
   2. Enable “Effects mode” in Settings -> Theme -> Window Effects.
   3. Open the calendar popup.
   4. Move, scroll, or refocus the window.

Actual result:

The calendar window shows ghosting and residual artifacts.

Expected result:

The window should render normally with effects enabled.

Disabling “Effects mode” restores normal rendering.

The issue occurs because the calendar window uses a translucent
background, but the UKWM compositor does not provide the blur support
expected by the application. This results in a translucent surface
without proper blur handling.

Reproduced with:

   - kylin-calendar 5.0.0.0-1
   - libukwm-1 1.2.3
   - UKWM X11 session

Regards,

We believe that the bug you reported is fixed in the latest version of
kylin-calendar, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1147186@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
handsome_feng <jianfengli@ubuntukylin.com> (supplier of updated kylin-calendar package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Thu, 01 Oct 2026 11:35:09 -0400
Source: kylin-calendar
Architecture: source
Version: 5.0.0.1-1
Distribution: unstable
Urgency: medium
Maintainer: Kylin Team <team+kylin@tracker.debian.org>
Changed-By: handsome_feng <jianfengli@ubuntukylin.com>
Closes: 1147186
Changes:
 kylin-calendar (5.0.0.1-1) unstable; urgency=medium
 .
   [ zhangpan ]
   * New upstream bugfix release:
     fix rendering artifacts when window effects are enabled in UKWM by
     rendering the calendar window fully opaque on X11, where no blur effect
     is requested. The window transparency setting has no effect in X11
     sessions. (Closes: #1147186)
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