Plasma/Wayland Known Significant Issues: Difference between revisions
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'''Partly fixed:''' Requires manual activation. | '''Partly fixed:''' Requires manual activation. | ||
Revision as of 22:22, 23 July 2020
This page tracks the Wayland showstoppers throughout the stack.
KWin/compositing/window management
No vertical / horizontal maximize of Wayland native clients. KWin uses NetWM modes internally to do this. Works with Xwayland clients. Would also work for Wayland clients, just the state cannot be exported to Wayland (c.f. Quick tiling).
Task Switchers are sometimes black and unusable: https://bugs.kde.org/show_bug.cgi?id=415798
XWayland windows are upscaled and look blurry and ugly in HiDPI mode: https://bugs.kde.org/show_bug.cgi?id=389191
Cursor lags under high CPU load: https://bugs.kde.org/show_bug.cgi?id=421131
KDE app windows don't remember maximized state: https://bugs.kde.org/show_bug.cgi?id=409919
Can't dismiss a popup by clicking another window of the same application: https://bugreports.qt.io/browse/QTBUG-83972
No remote support
We don't have an API yet for remote support. Even if we had one, things like TeamViewer would not work any more (Partly fixed since we now have an API for screencast using a separate KWayland interface. There is also already support in xdg-desktop-portals for convenience of other apps and general support in Flatpaks. What's still missing is an API for remote input.)
NVIDIA
The NVIDIA blob uses a custom EGL extension which Plasma 5.16 added support for. It requires setting the KWIN_DRM_USE_EGL_STREAMS=1 environment variable to activate.
Other aspects of the "Wayland experience" with NVIDIA such as XWayland compatibility are outside of our influence.
Partly fixed: Requires manual activation.
Input
No configurable mouse gestures; X has the ability to accept fake input events to allow programs such as Easystroke. With the new security model of Wayland, such a program would need to be part of the compositor.
No XModmap; we lack a functionality like XModmap to remap keys.
Plasma
Session restoring does not include Wayland native windows. Our sessions management recover engine is based on the X Session Management Protocol and there is apparently currently no generic concept to do it on Wayland. But on Qt it's plugin-able and GNOME has according to their wiki an own implementation for some time.
No window thumbnails; we don't yet have an API for this.
No window move on empty area in breeze; This broke with switch to XdgShellV6. Needs new API added to Qt (native interface), KWayland and Breeze.
No activities.
Keyboard Layout indicator system tray item doesn't work: https://bugs.kde.org/show_bug.cgi?id=390079
FIXED in Application 20.08: Top panel overlaps Yakuake: https://bugs.kde.org/show_bug.cgi?id=408468
Drag and Drop issues
Dragging-and-dropping a file to https://imgur.com in Firefox brings down the whole session: https://bugs.kde.org/show_bug.cgi?id=421130
Drag and drop on Wayland: Wrong drop destination on drag'n drop https://bugs.kde.org/show_bug.cgi?id=422414
https://bugs.kde.org/show_bug.cgi?id=390321
https://bugs.kde.org/show_bug.cgi?id=400014
https://bugs.kde.org/show_bug.cgi?id=383794
https://bugs.kde.org/show_bug.cgi?id=405267
https://bugs.kde.org/show_bug.cgi?id=389261
reproducible (on my sysyem at least) plasma/kwin crashes
https://bugs.kde.org/show_bug.cgi?id=398440
https://bugs.kde.org/show_bug.cgi?id=418683
https://bugs.kde.org/show_bug.cgi?id=420949