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Moonlight 4K 120 FPS stuttering while 4K 144 FPS works perfectly

Status: Open.

#2021 In moonlight-stream/moonlight-qt;

· Killboywes opened on Sep 25, 2026

[Crash] MoonlightPortable 6.4.1 crashes at "Starting RTSP handshake..." while official 6.1.0 and Moonlight V+ work perfectly

Status: Open.

#2018 In moonlight-stream/moonlight-qt;

· ApproLight01 opened on Sep 21, 2026

8BitDo Ultimate 2C no longer detected on macOS 27 unless SDL_JOYSTICK_MFI=0

Status: Open.

#2017 In moonlight-stream/moonlight-qt;

· yodajones77 opened on Sep 20, 2026

Numpad enter treated as standard enter.

Status: Open.

#2015 In moonlight-stream/moonlight-qt;

· covers1624 opened on Sep 15, 2026

Linux (X11/amdgpu): fullscreen stream start applies an invalid DoubleScan HDMI mode, TV rejects it as "unsupported"

Status: Open.

#2005 In moonlight-stream/moonlight-qt;

· AllChrist opened on Sep 8, 2026

Linux: SIGSEGV with fatal X11 error during VA-API initialization on Intel/AMD under Hyprland

Status: Open.

#2004 In moonlight-stream/moonlight-qt;

· putueddy opened on Sep 8, 2026

Add selectable client-side downscaling filters

Status: Open.

#1994 In moonlight-stream/moonlight-qt;

· Tiikara opened on Aug 31, 2026

Cant pair on the SteamDeck Connection closed Error 2

Status: Open.

#1990 In moonlight-stream/moonlight-qt;

· SimonPhilpott opened on Aug 28, 2026

Wayland: stream window destroyed/re-created every ~1.7s after "EGLRenderer: Can't create shader: 0" (sdl2-compat/SDL3); fine with QT_QPA_PLATFORM=xcb

Status: Open.

#1989 In moonlight-stream/moonlight-qt;

· putueddy opened on Aug 25, 2026

·  

v6.2

Nightly Build Identification

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

Status: Open.

Feature

#1985 In moonlight-stream/moonlight-qt;

· shawngmc opened on Aug 23, 2026

Steam Deck audio crackling: SdlAudioRenderer discard gate forms a limit cycle with its backpressure gate (root cause + verified fix, likely closes #1184)

Status: Open.

#1978 In moonlight-stream/moonlight-qt;

· Catkinsv3 opened on Aug 15, 2026

To pause the streaming when Moonlight is minimize

Status: Open.

#1970 In moonlight-stream/moonlight-qt;

· chchia opened on Aug 10, 2026