Release notes for Firecracker v0.5.0

Fixes #352

Signed-off-by: Alexandra Iordache <[email protected]>

Author: Alexandra Iordache

CHANGELOG.md

@@ -1,5 +1,30 @@
 # Changelog
 
+## [0.5.0]
+
+### Added
+
+* Added metrics for API requests, VCPU and device actions for the serial console (UART), keyboard (i8042), block and network devices. Metrics are logged every 60 seconds.
+* A CPU features template for C3 is available, in addition to the one for T2.
+* Seccomp filters restrict Firecracker from calling any other system calls than the minimum set it needs to function properly. The filters are enabled by setting the `USE_SECCOMP` environment variable to 1 before running Firecracker.
+* Firecracker can be started by a new binary called `jailer`. The jailer takes as command line arguments a unique ID, the path to the Firecracker binary, the NUMA node that Firecracker will be assigned to and a uid and gid for Firecracker to run under. It sets up a chroot environment and a cgroup and calls exec to morph into Firecracker.
+
+### Changed
+
+* In case of failure, the metrics and the panic location are logged before aborting.
+* Metric values are reset with every flush.
+* `CPUTemplate` is now called `CpuTemplate` in order to work seamlessly with the swagger code generator for Go.
+* `firecracker-beta.yaml` is now called `firecracker.yaml`.
+
+### Fixed
+* Handling was added for several untreated KVM exit scenarios, which could have led to panic.
+* Fixed a bug that caused Firecracker to crash when attempting to disable the IA32_DEBUG_INTERFACE MSR flag in the T2 CPU features.
+
+### Removed
+
+* Removed a leftover file generated by the logger unit tests.
+* Removed `firecracker-v1.0.yaml`.
+
 ## [0.4.0]
 
 ### Added