[plasmashell] [Bug 468904] External monitors connected to dGPU (NVIDIA) no longer working after upgrading to kde-plasma/plasma-meta-5.27.4

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=468904

Nate Graham <nate at kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kde at davidedmundson.co.uk
          Component|general                     |general
            Product|kde                         |plasmashell
   Target Milestone|---                         |1.0
           Assignee|unassigned-bugs at kde.org     |plasma-bugs at kde.org
            Version|unspecified                 |5.27.4

--- Comment #5 from Nate Graham <nate at kde.org> ---
Sorry this happened. In Plasma 5.27 we implemented a new system for mapping
Plasma desktops and panels to screens that is fundamentally more correct by
design, and as a result much more robust. We also added code to migrate old
settings to this new system. Unfortunately, due to the non-determinism baked
into the old system, the migration code works better the simpler your
arrangement of screens, desktops, and panels was. For complex arrangements,
we've seen a few reports like this.

The good news is that this shouldn't recur going forward due to the new system
we have in Plasma 5.27. So hopefully this is the last time it should ever
happen!

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