fix: start on wayland with nvidia

README.md

@@ -29,6 +29,7 @@ works.
 | `0014-Browse-skins-from-...`               | A Browse tab on the skin page: Ely.by's catalogue in the app, and NameMC, laby.net and crafty.gg in a window.                               |
 | `0015-Use-the-desktop-s-file-picker-...`   | File pickers on Linux are the desktop's own, such as KDE's, through the XDG desktop portal.                                                 |
 | `0016-Show-the-account-in-the-title-bar-...` | With the right sidebar folded away, the Minecraft account is shown in the title bar and managed from there.                         |
+| `0017-Start-on-Wayland-with-an-NVIDIA-GPU` | The app no longer crashes at start under Wayland with the NVIDIA driver.                                                                    |
 
 ### Offline accounts
 
@@ -104,6 +105,12 @@ File pickers on Linux go through the XDG desktop portal, so KDE shows its own di
 own, instead of a GTK dialog the AppImage themes as light Adwaita. Without a portal, GTK's dialog is
 used as before. Windows and macOS already use their native pickers.
 
+With the NVIDIA driver under Wayland, WebKitGTK used to close the window at start with "Error 71".
+The webview now hands its frames over through shared memory there
+(`WEBKIT_DMABUF_RENDERER_FORCE_SHM=1`), still rendering on the GPU. Setting that or
+`WEBKIT_DISABLE_DMABUF_RENDERER` yourself keeps your choice. The AppImage forces X11 and was not
+affected.
+
 ### Skins
 
 With an Ely.by account selected, the skin page shows the account's skins on Ely.by: apply one, add