diff --git a/content/en/blog/v48.0/index.md b/content/en/blog/v48.0/index.md new file mode 100644 index 00000000..52791c70 --- /dev/null +++ b/content/en/blog/v48.0/index.md @@ -0,0 +1,80 @@ +--- +title: "Cloud Hypervisor v48.0 Released!" +date: 2025-09-12T23:05:40Z +draft: false +contributors: [Cloud Hypervisor Team] +--- +This release has been tracked in [v48.0 group](https://github.com/orgs/cloud-hypervisor/projects/6/views/4?filterQuery=release%3A%22Release+48%22) of our [roadmap project](https://github.com/orgs/cloud-hypervisor/projects/6/). + +### Experimental `fw_cfg` Device Support + +This feature enables passing configuration data and files, such as VM +boot configurations (kernel, kernel cmdline, e820 memory map, and ACPI +tables), from the host to the guest. (#7117) + +### Experimental `ivshmem` Device Support + +Support for inter-VM shared memory has been added. For more information, +please refer to the [ivshmem documentation](docs/ivshmem.md). (#6703) + +### Firmware Boot Support on `riscv64` + +In addition to direct kernel boot, firmware boot support has been added +on `riscv64` hosts. (#7249) + +### Increased vCPU Limit on x86_64/kvm + +The maximum number of supported vCPUs on x86_64 hosts using KVM has been +raised from 254 to 8192. (#7299) + +### Improved Block Performance with Small Block Sizes + +Performance for `virtio-blk` with small block sizes (16KB and below) +is enhanced via submitting async IO requests in batches. (#7146) + +### Faster VM Pause Operation + +The VM pause operation now is significantly faster particularly for VMs +with a large number of vCPUs. (#7290) + +### Updated Documentation on Windows Guest Support + +Our Windows documentation now includes instructions to run Windows 11 +guests, in addition to Windows Server guests. (#7218) + +### Policy on AI Generated Code + +We will decline any contributions known to contain contents generated or +derived from using Large Language Models (LLMs). Details can be found +in our [contributing documentation](CONTRIBUTING.md). (#7162) + +### Removed SGX Support + +The SGX support has been removed, as announced in the deprecation notice two +release cycles ago. (#7093) + +### Notable Bug Fixes + +* Seccomp filter fixes with glibc v2.42 (#7327) +* Various fixes related to (#7331, #7334, #7335) + +### Contributors + +Many thanks to everyone who has contributed to our release: + +* Alex Orozco +* Alyssa Ross +* Anirudh Rayabharam +* Bo Chen +* Demi Marie Obenour +* Lucas Grosche +* Muminul Islam +* Oliver Anderson +* Peter Oskolkov +* Philipp Schuster +* Ruoqing He +* Shubham Chakrawar +* Songqian Li +* Wei Liu +### Download + See the GitHub Release for the release assets.