Fix/wayland nvidia fix

CONTRIBUTING.md

@@ -39,12 +39,25 @@ Be kind and respectful to the members of the community. Take time to educate oth
 
 **Linux** — install system dependencies:
 
+***Ubuntu/Debian based***
+
 ```bash
 sudo apt-get install -y \
   libwebkit2gtk-4.1-dev libssl-dev \
   libayatana-appindicator3-dev librsvg2-dev \
   patchelf libasound2-dev
 ```
+***Fedora/Redhat based***
+
+```bash
+sudo dnf install -y \
+  webkit2gtk4.1-devel \
+  openssl-devel \
+  libayatana-appindicator-gtk3-devel \
+  librsvg2-devel \
+  patchelf \
+  alsa-lib-devel
+```
 
 **macOS / Windows** — no extra system dependencies required.
 

src-tauri/src/main.rs

@@ -2,5 +2,14 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 fn main() {
+    // WebKitGTK's DMABUF renderer crashes on Wayland with NVIDIA drivers
+    // ("Error 71 (Protocol error) dispatching to Wayland display").
+    // Must run before GTK/WebKit init and before any threads are spawned.
+    // An explicit user value is respected (e.g. =0 to re-enable DMABUF).
+    #[cfg(target_os = "linux")]
+    if std::env::var_os("WEBKIT_DISABLE_DMABUF_RENDERER").is_none() {
+        std::env::set_var("WEBKIT_DISABLE_DMABUF_RENDERER", "1");
+    }
+
     pomotroid_lib::run()
 }