The 115.x version of Firefox & Thunderbird are mixing OpenGL & EGL calls in a way that works with Mesa but not the Nvidia drivers --- firefox-115.2.0.orig/toolkit/xre/glxtest/glxtest.cpp 2023-09-18 15:31:54.579296247 -0400 +++ firefox-115.2.0/toolkit/xre/glxtest/glxtest.cpp 2023-09-18 15:12:11.836077440 -0400 @@ -956,9 +956,13 @@ #ifdef MOZ_X11 if (!aWayland) { // TODO: --display command line argument is not properly handled +#ifdef __sun + glxtest(); +#else if (!x11_egltest()) { glxtest(); } +#endif } #endif // Finally write buffered data to the pipe.