(In reply to Stefan Dirsch from comment #5) > (In reply to Larry Rainey from comment #4) > > https://archlinux.org/packages/extra/x86_64/x11vnc/ > > Thanks. Seems they apply 3 patches on top of 0.9.16 > > https://gitlab.archlinux.org/archlinux/packaging/packages/x11vnc/-/blob/main/ > PKGBUILD > > Mabye this would also fix it for us ... https://github.com/LibVNC/x11vnc/commit/95a10ab64c2d.patch it's a NULL dereference fix, so rather a crash fix https://github.com/LibVNC/x11vnc/commit/a48b0b1cd887.patch a gcc10 compile fix https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa1.patch this restricts the file permission of the shared memory So all look irrelevant from the performance issue. If any, it's in 0.9.16 version...