#4398·niri

bug(niri dynamic cast): some times the screen cast gets sheared for some random app

Author: HyperAfnanCreated Aug 5, 2026Updated Sep 13, 2026
Labelsnvidiaarea:screencasting

As the title of the issue says: The screen cast gets sheared for some random app some times it is working perfectly but sometimes its casting shears

https://github.com/user-attachments/assets/af2222a4-a5ab-4f0d-8c60-52e6b5e12106

Config
kdl
workspace "1"
workspace "2"
workspace "3"
workspace "4"
workspace "5"
workspace "6"
workspace "7"
workspace "8"
workspace "9"

environment {
    __GLX_VENDOR_LIBRARY_NAME "nvidia"
}

input {
    keyboard {
        xkb { }
        numlock
    }

    touchpad {
        tap
        natural-scroll
        accel-speed 0.5
    }

    mouse {
        accel-speed 1
        accel-profile "flat"
    }

    trackpoint { }
}

/-output "eDP-1" {
    mode "[email protected]"
    scale 2
    transform "normal"
    position x=1280 y=0
}

layout {
    gaps 12
    center-focused-column "never"
    preset-column-widths {
        proportion 0.33333
        proportion 0.5
        proportion 0.66667
    }
    default-column-width { proportion 0.5; }
    border {
        width 2
        active-color "#89b4fa"
        inactive-color "#313244"
    }


    shadow {
        softness 30
        spread 5
        offset x=0 y=5
        color "#0007"
    }

    focus-ring {
        off
    }
}
spawn-at-startup "waybar"
spawn-at-startup "awww-daemon"
spawn-at-startup "swaync"
spawn-at-startup "/home/afnan/Projects/lumi/build/lumi"
spawn-at-startup "/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1"
screenshot-path "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png"


window-rule {
    geometry-corner-radius 14
    clip-to-geometry true
}
window-rule {
    match app-id="org.pwmt.zathura"
    open-maximized true
    default-column-width { proportion 0.5; }
}

window-rule {
    match app-id=r#"^org\.wezfurlong\.wezterm$"#
    default-column-width {}
}
window-rule {
    match app-id="Waydroid"
    open-maximized-to-edges false
    open-floating true
    default-column-width { proportion 0.35; }
    default-window-height { proportion 0.9; }
}

window-rule {
    match app-id=r#"firefox$"# title="^Picture-in-Picture$"
    open-floating true
}

/-window-rule {
    geometry-corner-radius 12
    clip-to-geometry true
}

binds {
    Mod+Shift+Slash { show-hotkey-overlay; }
    Mod+T hotkey-overlay-title="Open a Terminal: ghostty" { spawn "ghostty"; }
    Mod+D hotkey-overlay-title="Run an Application: fuzzel" { spawn "fuzzel"; }
    Mod+b hotkey-overlay-title="Run an Application: zen" { spawn "zen-browser"; }
    Mod+n hotkey-overlay-title="Run an Application: qutebrowser" { spawn "qutebrowser"; }
    Super+Alt+L hotkey-overlay-title="Lock the Screen: swaylock" { spawn "swaylock"; }
    Super+Alt+S allow-when-locked=true hotkey-overlay-title=null { spawn-sh "pkill orca || exec orca"; }
    XF86AudioRaiseVolume allow-when-locked=true { spawn-sh "wpctl set-volume @DEFAULT_AUDIO_SINK@ 0.1+ -l 1.0"; }
    XF86AudioLowerVolume allow-when-locked=true { spawn-sh "wpctl set-volume @DEFAULT_AUDIO_SINK@ 0.1-"; }
    XF86AudioMute        allow-when-locked=true { spawn-sh "wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle"; }
    XF86AudioMicMute     allow-when-locked=true { spawn-sh "wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle"; }
    XF86AudioPlay        allow-when-locked=true { spawn-sh "playerctl play-pause"; }
    XF86AudioStop        allow-when-locked=true { spawn-sh "playerctl stop"; }
    XF86AudioPrev        allow-when-locked=true { spawn-sh "playerctl previous"; }
    XF86AudioNext        allow-when-locked=true { spawn-sh "playerctl next"; }
    XF86MonBrightnessUp allow-when-locked=true { spawn "brightnessctl" "--class=backlight" "set" "+10%"; }
    XF86MonBrightnessDown allow-when-locked=true { spawn "brightnessctl" "--class=backlight" "set" "10%-"; }
    Mod+O repeat=false { toggle-overview; }
    Mod+Q repeat=false { close-window; }
    Mod+Left  { focus-column-left; }
    Mod+Down  { focus-window-down; }
    Mod+Up    { focus-window-up; }
    Mod+Right { focus-column-right; }
    Mod+H     { focus-column-left; }
    Mod+J     { focus-window-down; }
    Mod+K     { focus-window-up; }
    Mod+L     { focus-column-right; }

    Mod+Ctrl+Left  { move-column-left; }
    Mod+Ctrl+Down  { move-window-down; }
    Mod+Ctrl+Up    { move-window-up; }
    Mod+Ctrl+Right { move-column-right; }
    Mod+Ctrl+H     { move-column-left; }
    Mod+Ctrl+J     { move-window-down; }
    Mod+Ctrl+K     { move-window-up; }
    Mod+Ctrl+L     { move-column-right; }
    Mod+Home { focus-column-first; }
    Mod+End  { focus-column-last; }
    Mod+Ctrl+Home { move-column-to-first; }
    Mod+Ctrl+End  { move-column-to-last; }

    Mod+Shift+Left  { focus-monitor-left; }
    Mod+Shift+Down  { focus-monitor-down; }
    Mod+Shift+Up    { focus-monitor-up; }
    Mod+Shift+Right { focus-monitor-right; }
    Mod+Shift+H     { focus-monitor-left; }
    Mod+Shift+J     { focus-monitor-down; }
    Mod+Shift+K     { focus-monitor-up; }
    Mod+Shift+L     { focus-monitor-right; }

    Mod+Shift+Ctrl+Left  { move-column-to-monitor-left; }
    Mod+Shift+Ctrl+Down  { move-column-to-monitor-down; }
    Mod+Shift+Ctrl+Up    { move-column-to-monitor-up; }
    Mod+Shift+Ctrl+Right { move-column-to-monitor-right; }
    Mod+Shift+Ctrl+H     { move-column-to-monitor-left; }
    Mod+Shift+Ctrl+J     { move-column-to-monitor-down; }
    Mod+Shift+Ctrl+K     { move-column-to-monitor-up; }
    Mod+Shift+Ctrl+L     { move-column-to-monitor-right; }
    Mod+Page_Down      { focus-workspace-down; }
    Mod+Page_Up        { focus-workspace-up; }
    Mod+U              { focus-workspace-down; }
    Mod+I              { focus-workspace-up; }
    Mod+Ctrl+Page_Down { move-column-to-workspace-down; }
    Mod+Ctrl+Page_Up   { move-column-to-workspace-up; }
    Mod+Ctrl+U         { move-column-to-workspace-down; }
    Mod+Ctrl+I         { move-column-to-workspace-up; }
    Mod+Shift+Page_Down { move-workspace-down; }
    Mod+Shift+Page_Up   { move-workspace-up; }
    Mod+Shift+U         { move-workspace-down; }
    Mod+Shift+I         { move-workspace-up; }
    Mod+WheelScrollDown      cooldown-ms=150 { focus-workspace-down; }
    Mod+WheelScrollUp        cooldown-ms=150 { focus-workspace-up; }
    Mod+Ctrl+WheelScrollDown cooldown-ms=150 { move-column-to-workspace-down; }
    Mod+Ctrl+WheelScrollUp   cooldown-ms=150 { move-column-to-workspace-up; }

    Mod+WheelScrollRight      { focus-column-right; }
    Mod+WheelScrollLeft       { focus-column-left; }
    Mod+Ctrl+WheelScrollRight { move-column-right; }
    Mod+Ctrl+WheelScrollLeft  { move-column-left; }
    Mod+Shift+WheelScrollDown      { focus-column-right; }
    Mod+Shift+WheelScrollUp        { focus-column-left; }
    Mod+Ctrl+Shift+WheelScrollDown { move-column-right; }
    Mod+Ctrl+Shift+WheelScrollUp   { move-column-left; }
    Mod+1 { focus-workspace 1; }
    Mod+2 { focus-workspace 2; }
    Mod+3 { focus-workspace 3; }
    Mod+4 { focus-workspace 4; }
    Mod+5 { focus-workspace 5; }
    Mod+6 { focus-workspace 6; }
    Mod+7 { focus-workspace 7; }
    Mod+8 { focus-workspace 8; }
    Mod+9 { focus-workspace 9; }
    Mod+Ctrl+1 { move-column-to-workspace 1; }
    Mod+Ctrl+2 { move-column-to-workspace 2; }
    Mod+Ctrl+3 { move-column-to-workspace 3; }
    Mod+Ctrl+4 { move-column-to-workspace 4; }
    Mod+Ctrl+5 { move-column-to-workspace 5; }
    Mod+Ctrl+6 { move-column-to-workspace 6; }
    Mod+Ctrl+7 { move-column-to-workspace 7; }
    Mod+Ctrl+8 { move-column-to-workspace 8; }
    Mod+Ctrl+9 { move-column-to-workspace 9; }
    Mod+BracketLeft  { consume-or-expel-window-left; }
    Mod+BracketRight { consume-or-expel-window-right; }
    Mod+Comma  { consume-window-into-column; }
    Mod+Period { expel-window-from-column; }
    Mod+R { switch-preset-column-width; }
    Mod+Shift+R { switch-preset-window-height; }
    Mod+Ctrl+R { reset-window-height; }
    Mod+F { maximize-column; }
    Mod+Shift+F { fullscreen-window; }
    Mod+Ctrl+F { expand-column-to-available-width; }
    Mod+C { center-column; }
    Mod+Ctrl+C { center-visible-columns; }
    Mod+Minus { set-column-width "-10%"; }
    Mod+Equal { set-column-width "+10%"; }
    Mod+Shift+Minus { set-window-height "-10%"; }
    Mod+Shift+Equal { set-window-height "+10%"; }
    Mod+V       { toggle-window-floating; }
    Mod+Shift+V { switch-focus-between-floating-and-tiling; }
    Mod+W { toggle-column-tabbed-display; }
    Print { spawn "sh" "-c" "/home/afnan/.local/bin/niri-mshot";}
    Ctrl+Print { screenshot-screen; }
    Alt+Print { screenshot-window; }
    Mod+Shift+Print { spawn-sh "niri msg action set-dynamic-cast-window"; }
    Mod+Escape allow-inhibiting=false { toggle-keyboard-shortcuts-inhibit; }
    Mod+Shift+E { quit; }
    Ctrl+Alt+Delete { quit; }
    Mod+Shift+P { power-off-monitors; }
   Mod+Ctrl+Shift+F { toggle-windowed-fullscreen; }
}

System Information

  • niri version: niri 26.04 (8ed0da4)
  • Distro: Linux archlinux 7.1.5-arch1-2 x86_64 GNU/Linux
  • GPU: Nvidia RTX 4050 6gb and Intel Raptor Lake-S UHD Graphics @ 1.45 GHz
  • CPU: 13th Gen Intel(R) Core(TM) i5-13450HX (12+4)