17 May 2022

#### Bug fixes

 - Fix migration race conditions when upgrading from canal to Calico [calico #6075](https://github.com/projectcalico/calico/pull/6075) (@caseydavenport)
 - ebpf: fixed ICMP connection tracking [calico #6057](https://github.com/projectcalico/calico/pull/6057) (@tomastigera)
 - ebpf: fixed error handling in attaching cgroup (ctlb) programs with libbpf so that a fallback method is executed when the current method fails. Otherwise success is reported and ctlb programs are not loaded (fresh install) or old are not replaced (upon upgrade) [calico #6056](https://github.com/projectcalico/calico/pull/6056) (@tomastigera)
 - Attach SHA256SUMS as part of release, including checksums for all release artifacts. [calico #5965](https://github.com/projectcalico/calico/pull/5965) (@caseydavenport)
