fix(linux): detect NVIDIA GPU and work around EGL_BAD_ALLOC on Wayland

package.json

@@ -1,7 +1,7 @@
 {
   "name": "world-monitor",
   "private": true,
-  "version": "2.5.18",
+  "version": "2.5.19",
   "license": "AGPL-3.0-only",
   "type": "module",
   "scripts": {
@@ -28,6 +28,7 @@
     "test:e2e:runtime": "VITE_VARIANT=full playwright test e2e/runtime-fetch.spec.ts",
     "test:e2e": "npm run test:e2e:runtime && npm run test:e2e:full && npm run test:e2e:tech && npm run test:e2e:finance",
     "test:data": "node --test tests/*.test.mjs",
+    "test:feeds": "node scripts/validate-rss-feeds.mjs",
     "test:sidecar": "node --test src-tauri/sidecar/local-api-server.test.mjs api/_cors.test.mjs api/youtube/embed.test.mjs api/cyber-threats.test.mjs api/usni-fleet.test.mjs scripts/ais-relay-rss.test.cjs api/loaders-xml-wms-regression.test.mjs",
     "test:e2e:visual:full": "VITE_VARIANT=full playwright test -g \"matches golden screenshots per layer and zoom\"",
     "test:e2e:visual:tech": "VITE_VARIANT=tech playwright test -g \"matches golden screenshots per layer and zoom\"",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "world-monitor"
-version = "2.5.18"
+version = "2.5.19"
 description = "World Monitor desktop application"
 authors = ["World Monitor"]
 edition = "2021"

src-tauri/src/main.rs

@@ -1163,6 +1163,28 @@ fn main() {
             eprintln!("[tauri] VM detected; disabled WebKitGTK accelerated compositing for iframe/video compatibility");
         }
 
+        // NVIDIA proprietary drivers often fail to create a surfaceless EGL
+        // display (EGL_BAD_ALLOC) in WebKitGTK's web process, especially on
+        // Wayland where explicit sync can also cause flickering/crashes.
+        // Detect NVIDIA by checking for /proc/driver/nvidia (created by
+        // nvidia.ko) and apply Wayland-specific workarounds.
+        let has_nvidia = std::path::Path::new("/proc/driver/nvidia").exists();
+        if has_nvidia {
+            if env::var_os("__NV_DISABLE_EXPLICIT_SYNC").is_none() {
+                unsafe { env::set_var("__NV_DISABLE_EXPLICIT_SYNC", "1") };
+            }
+            // Force X11 backend on NVIDIA + Wayland to avoid surfaceless EGL
+            // failures.  Users who prefer native Wayland can override with
+            // GDK_BACKEND=wayland.
+            if env::var_os("WAYLAND_DISPLAY").is_some() && env::var_os("GDK_BACKEND").is_none() {
+                unsafe { env::set_var("GDK_BACKEND", "x11") };
+                eprintln!(
+                    "[tauri] NVIDIA GPU + Wayland detected; forcing GDK_BACKEND=x11 to avoid EGL_BAD_ALLOC. \
+                     Set GDK_BACKEND=wayland to override."
+                );
+            }
+        }
+
         // On Wayland-only compositors (e.g. niri, river, sway without XWayland),
         // GTK3 may fail to initialise if it defaults to X11 backend first and no
         // DISPLAY is set.  Explicitly prefer the Wayland backend when a Wayland

src-tauri/tauri.conf.json

@@ -2,7 +2,7 @@
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "World Monitor",
   "mainBinaryName": "world-monitor",
-  "version": "2.5.18",
+  "version": "2.5.19",
   "identifier": "app.worldmonitor.desktop",
   "build": {
     "beforeDevCommand": "npm run build:sidecar-sebuf && npm run dev",