Firecracker v0.20.0

Added

• Added support for GICv2.

Fixed

• Fixed CVE-2019-18960 - Fixed a logical error in bounds checking performed
  on vsock virtio descriptors.
• Fixed #1283 - Can't start a VM in AARCH64 with vcpus number more than 16.
• Fixed #1088 - The backtrace are printed on panic, no longer causing a
  seccomp fault.
• Fixed #1375 - Change logger options type from Value to Vec to
  prevent potential unwrap on None panics.
• Fixed #1436 - Raise interrupt for TX queue used descriptors
• Fixed #1439 - Prevent achieving 100% cpu load when the net device rx is
  throttled by the ratelimiter
• Fixed #1437 - Invalid fields in rate limiter related API requests are
  now failing with a proper error message.
• Fixed #1316 - correctly determine the size of a virtio device backed
  by a block device.
• Fixed #1383 - Log failed api requests.

Changed

• Decreased release binary size by 10%.