What's New 55kt

* Fixed an issue with virtio-ramfb device where Windows may sometimes try to render to an inactive display target causing black screen, "Guest has not initialized the display (yet)", or broken cursor. This sometimes happens right after installing the viogpudo drivers for the first time and more recently while upgrading to Windows 11 24H2. (#6332, #6883)
* Fixed a crash that might occur when a serial port is used and a large amount of data arrives at startup
* Fixed a crash that might occur on a VM with a serial port if data arrives as the guest is shutting down
* Fixed a crash launching any ARM64 virtualized QEMU VMs on macOS Monterey or older (#6881)
* Fixed a deadlock (freeze) which can be observed if a Linux VM with GL acceleration enabled is left running for a long time (#5205)
* Fixed auto-resolution restore not working properly after a macOS guest is paused or suspended (#6874)
* Fixed an issue causing the mouse cursor to disappear when a macOS guest is paused (#6875)