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⇱ KDE Plasma 6.4.5 Released With Fix For "Extreme Stuttering" On Intel Graphics - Phoronix


👁 Phoronix

KDE Plasma 6.4.5 Released With Fix For "Extreme Stuttering" On Intel Graphics

Written by Michael Larabel in KDE on 9 September 2025 at 05:40 AM EDT. 22 Comments
KDE Plasma 6.4.5 is out today as the newest monthly point release for the current Plasma 6.4 desktop series. Making this month's Plasma 6 point release notable are a number of KWin compositor fixes.

Making KDE Plasma 6.4.5 stand out is fixing lag and stuttering on Intel graphics when making use of Plasma's Night Light feature. For Intel Tiger Lake laptops and newer was what was described as extreme stuttering on brightness adjustments due to KWin's gamma LUT handling. The gamma LUT adjustments to the DRM back-end are in place for Plasma 6.4.5 along with using the correct color pipeline for the linear night light fallback. The gamma LUT issues initially for Tiger Lake had been known by KDE developers going back to this 2021 bug report.

👁 extreme stuttering


KWin in Plasma 6.4.5 also adds inert protocol error coverage for the Wayland color management protocol, fixing a V-SYNC issue under Wayland, and various other fixes -- including other KWin Wayland fixes.

Downloads and more details on all of the changes found in the KDE Plasma 6.4.5 point release via KDE.org.

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.