** Description changed:
- When resizing windows that are XWayland (Discord, Spotify, etc) the
- resize does not take effect until seconds after holding the resize. If
- you let go of the resize before it happens then window does not resize
- at all.
+ [ Impact ]
+ When resizing X11 windows that use server-size-decorations on Xorg or
+ through XWayland (Discord, Spotify, etc) the resize does not take effect
+ until seconds after holding the resize. If you let go of the resize
+ before it happens then window does not resize at all.
+
+ [ Test Plan A ]
+
+ 1. Enable fractional scaling and set a scaling factor of 125% or 150%
+ 2. Log into an Ubuntu Desktop Wayland session
+ 3. Start Spotify
+ 4. Try to resize the window
+ 5. Verify that the window can be resized normally
+
+ [ Test Plan B ]
+
+ 1. Enable fractional scaling and set a scaling factor of 125% or 150%
+ 2. Log into an Ubuntu Desktop Xorg session
+ 3. Start Spotify
+ 4. Try to resize the window
+ 5. Verify that the window can be resized normally
+
+ [ Where problems could occur ]
+
+ This update is included in the 4.18.5 bugfix release from upstream. See
+ bug 2109964
+
+ [ Other info ]
+
+ The issue was originally reported on NVIDIA hardware:
+ """
Ubuntu 25.04 Beta
NVIDIA RTX 5090 (570.133.07)
+ """
+ but it can be reproduced on any graphics driver.
** Changed in: gtk4 (Ubuntu Questing)
Status: Triaged => In Progress
** Changed in: gtk4 (Ubuntu Plucky)
Status: Triaged => In Progress
** Changed in: gtk4 (Ubuntu Plucky)
Assignee: (unassigned) => Alessandro Astone (aleasto)
** Changed in: gtk4 (Ubuntu Questing)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2107245
Title:
Resizing XWayland & X11 windows is extremely slow
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