--- title: "What’s new in Calico 3.15" source: "https://www.tigera.io/blog/whats-new-in-calico-3-15/" --- [Technical Blog](https://www.tigera.io/category/technical-blog/) # What’s new in Calico 3.15 By [Casey Davenport](https://www.tigera.io/blog/author/caseydavenport/) on Jun 28, 2020 • 2 min read We’re very excited to announce Calico v3.15.0, which includes a bunch of great features including generally available Wireguard encryption, and the ability to migrate Calico’s data storage from etcd to Kubernetes CRDs . Thank you to all of the contributors to this release! For detailed release notes please go [here](http://docs.projectcalico.org/v3.15/release-notes). Below are some highlights from the release. ## **Encryption using Wireguard is generally available** Calico v3.14 introduced tech-preview support for encryption using Wireguard. In v3.15, we’re excited to announce that this feature is promoted to GA.  To give it a spin, head on over to [the encryption how-to guide.](http://docs.projectcalico.org/v3.15/security/encrypt-cluster-pod-traffic)  ## **Datastore migration support** Calico supports two methods of data storage – directly via etcd, or via the Kubernetes API server. Calico v3.15 introduces a procedure for migrating Calico data from an etcd data store to the Kubernetes API for users who wish to do so. Using the Kubernetes API for data storage is operationally simpler, and allows users to leverage the rich Kubernetes RBAC model. Read more in the [datastore migration guide](http://docs.projectcalico.org/v3.15/maintenance/datastore-migration). ## **OpenStack Ussuri support** In v3.15, Calico’s OpenStack integration code has been updated to run under Python 3 and specifically with the Ussuri OpenStack release. For more detail please see our [OpenStack docs](http://docs.projectcalico.org/v3.15/getting-started/openstack/requirements). [Open Source](https://www.tigera.io/tags/open-source/)[Release](https://www.tigera.io/tags/release/)[Project Calico](https://www.tigera.io/tags/project-calico/) ## Related posts [![What’s new in Calico: Spring 2026 Release](https://www.tigera.io/app/uploads/2026/06/Whats-New-in-Calico-NEW-TEMPLATE-2026.png)](https://www.tigera.io/blog/whats-new-in-calico-spring-2026-release/) [Company Blog](https://www.tigera.io/category/company-blog/) #### [What’s new in Calico: Spring 2026 Release](https://www.tigera.io/blog/whats-new-in-calico-spring-2026-release/) By [Veronika Smolik](https://www.tigera.io/blog/author/veronika-smolik/) on Jun 2, 2026 Kubernetes has come a long way since its debut in 2014. It’s gone from running a couple of containerized microservices to orchestrating fleets of production workloads spanning everything from AI agents to full scale VMs... [Read more](https://www.tigera.io/blog/whats-new-in-calico-spring-2026-release/) [![Kubernetes Operational Maturity: Secure and Resilient Cluster Federation with Cluster Mesh](https://www.tigera.io/app/uploads/2026/05/Kubernetes-Operational-Maturity-Secure-and-Resilient-Cluster-Federation-with-Cluster-Mesh.png)](https://www.tigera.io/blog/kubernetes-operational-maturity-secure-and-resilient-cluster-federation-with-cluster-mesh/) #### [Kubernetes Operational Maturity: Secure and Resilient Cluster Federation with Cluster Mesh](https://www.tigera.io/blog/kubernetes-operational-maturity-secure-and-resilient-cluster-federation-with-cluster-mesh/) By [Veronika Smolik](https://www.tigera.io/blog/author/veronika-smolik/) on May 25, 2026 Practically no one runs a single Kubernetes cluster in production these days. Maybe that’s how it started but data sovereignty requirements, acquisitions, AI initiatives and the need for edge servers, among other considerations, have pulled... [Read more](https://www.tigera.io/blog/kubernetes-operational-maturity-secure-and-resilient-cluster-federation-with-cluster-mesh/) [![What’s New in Calico v3.32](https://www.tigera.io/app/uploads/2026/05/Green-Please-use-a-different-background-color-alternately-1.png)](https://www.tigera.io/blog/whats-new-in-calico-v3-32/) #### [What’s New in Calico v3.32](https://www.tigera.io/blog/whats-new-in-calico-v3-32/) By [Reza Ramezanpour](https://www.tigera.io/blog/author/rezar/) on May 13, 2026 We’re excited to announce the release of Calico Open Source v3.32! 🎉 This release corresponds with Kubernetes v1.36 (Codename Haru) and it goes beyond just sharing a cat as the mascot of the release, it... [Read more](https://www.tigera.io/blog/whats-new-in-calico-v3-32/)