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⇱ KDE Plasma 6.6.3 Fixing Direct Scan-Out When Using Fractional Scaling - Phoronix


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KDE Plasma 6.6.3 Fixing Direct Scan-Out When Using Fractional Scaling

Written by Michael Larabel in KDE on 14 March 2026 at 06:38 AM EDT. 17 Comments
KDE developers continue being very busy working on Plasma 6.7 feature development as well as continuing to drive new fixes and refinements to the current Plasma 6.6 stable series.

This Week in Plasma is out with its newest issue to highlight the interesting Plasma 6.6/6.7 changes for the past seven days. Some of this week's KDE Plasma highlights include:

- Plasma 6.7 with the plasma-keyboard module will now allow you to type characters not on your physical keyboard by pressing and holding the keys that it does have. There is a whole blog post about this new feature here that is akin to the virtual keyboard press-and-hold-for-extra-characters feature on many smartphones.

👁 KDE extra keys


- Plasma 6.7 will also allow installing custom sound themes from downloaded files.

- With Plasma 6.7, plugging in a USB printer will now only show one notification rather than two.

- A Plasma 6.7 fix for Electron apps with system tray icons where they end up all following each others' settings. It's an Electron bug that is fixed upstream but for out-of-date Electron apps, this Plasma side workaround should help.

- KDE Plasma 6.6.3 will reduce CPU and GPU load for full-screen windows in direct scan0out mode for screens using fractional scaling factors.

- On Plasma 6.7 for multi-GPU setups for cases where one of the GPUs doesn't support OpenGL acceleration, it will no longer prevent the other GPUs from providing 3D acceleration.

More details on these changes via This Week in Plasma.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.