15 Change log This section summarizes the changes between VirtualBox versions. Note that this change log is not exhaustive not all changes are listed. VirtualBox version numbers consist of three numbers separated by dots where the first and second number represent the major version and the 3rd number the minor version. Minor version numbers of official releases are always even. An odd minor version number represents an internal development or test build. In addition, each build contains a revision number. 15.1 Version 4.0.4 (2011-02-17) This is a maintenance release. The following items were fixed and/or added: • VMM: fixed recompiler crashes under certain conditions (bugs #8255, #8319 and further) • VMM: fixed running 64-bit guests on 32-bit host with nested paging enabled on AMD CPUs (4.0 regression bug #7938) • VMM: fixed timing issues / hangs for certain guests using the programmable interval timer (bugs #8033 and #8062) • VMM: large page and monitoring fixes for live snapshots (bugs #7910, #8059, #8125) • GUI: fixed error message when trying to exceed the maximum number of host network interfaces • GUI: fixed saving of changes to the metadata of an existing snapshot (bug #8145) • GUI: fixed rare crash on X11 hosts (bug #8131) • GUI: when selecting a shared folder, start the file dialog in the users home directory (bug #8017) • ExtPack: enforce the correct permissions which might be restricted by umask when creating directories (non-Windows hosts only bug #7878) • VBoxSDL: fixed crash when starting by specifying the VM UUID (4.0 regression bug #8342) • VBoxManage: allow savestate even if the VM is already paused • VBoxManage: fixed modifyvm –synthcpu (bug #6577) • VBoxManage: fixed hang when doing guestcontrol execute –wait-for exit and displaying process status on exit (bug #8235) • VBoxManage: decreased CPU load during guestcontrol execute –wait-for exit/stdout while waiting for the guest process to terminate (bug #7872) • VBoxManage: fixed list hostdvds/hostfloppies • VBoxManage: fixed storageattach for host DVD drives and host floppy drives • Metrics: introduced RAM/VMM base metric. 183