--- title: "What’s New in Calico v3.6" source: "https://wordpress-1075849-4005834.cloudwaysapps.com/blog/whats-new-in-calico-v3-6/" --- [Technical Blog](https://wordpress-1075849-4005834.cloudwaysapps.com/category/technical-blog/) # What’s New in Calico v3.6 By [Amit Gupta](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/author/amitgupta/) on Mar 11, 2019 • 2 min read We are very excited to announce Calico v3.6. Here are some highlights from the release. ## Calico IPAM for Kubernetes API datastore With Calico v3.6, you now have full feature parity for Calico IP address management (IPAM) irrespective of the datastore you are using with your Calico deployment. This enables all of Calico’s IP address management features, including: - Multiple IP address pools - Per-pod, per-namespace, and per-node pool specification Upgrading existing clusters using Calico with host-local IPAM is seamless – simply apply the new v3.6 manifest and you’ll be using Calico IPAM! For an example of what is possible with Calico’s IPAM, see [this blog post](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/calico-ipam-explained-and-enhanced/) or [check out the docs](http://docs.projectcalico.org/v3.6/reference/cni-plugin/configuration#ipam). ## OpenStack Enhancements Calico 3.6 has several enhancements for your OpenStack deployments for better operational efficiency and resiliency. - If you have a multi-region OpenStack deployment, you can [choose to map all of those regions into a shared Calico datastore](http://docs.projectcalico.org/master/networking/openstack/multiple-regions), which then allows you to define cross-region Calico policies. - We’ve improved our documentation about the [labels you can use to define Calico policy in addition to OpenStack security groups](http://docs.projectcalico.org/master/networking/openstack/labels), and have added the project parent ID label to facilitate policy between hierarchically organized projects. ## Selectors with substring matching With both Kubernetes and OpenStack, you can now write Calico policy with [selectors that match on a label value substring](http://docs.projectcalico.org/master/reference/calicoctl/resources/networkpolicy#selector) instead of the whole label value.  For example, you can write “role starts with ‘Security’” or “role contains ‘Engineer’”, whereas previously you could only specify a complete match “role == ‘Security Engineer’”. ## Learn more To find out more details about all the features and changes in Calico v3.6, check out the [release notes](http://docs.projectcalico.org/v3.6/release-notes/). Or, try it out in few minutes by following the [Quickstart guide](http://docs.projectcalico.org/v3.6/getting-started/kubernetes/)! ————————————————- [**Free Online Training**](https://wordpress-1075849-4005834.cloudwaysapps.com/events/) Access Live and On-Demand Kubernetes Tutorials [**Calico Enterprise – Free Trial**](https://www.calicocloud.io/home) Solve Common Kubernetes Roadblocks and Advance Your Enterprise Adoption [Open Source](https://wordpress-1075849-4005834.cloudwaysapps.com/tags/open-source/)[Release](https://wordpress-1075849-4005834.cloudwaysapps.com/tags/release/)[Project Calico](https://wordpress-1075849-4005834.cloudwaysapps.com/tags/project-calico/) Add Tigera as a preferred source on Google to see more of our content in your search results. [![Add as a preferred source on Google](https://wordpress-1075849-4005834.cloudwaysapps.com/app/themes/tigera2021/dist/img/google-preferred-source-light.png)](https://www.google.com/preferences/source?q=tigera.io) ## Related posts [![What’s New in Calico: Winter 2026 Release](https://wordpress-1075849-4005834.cloudwaysapps.com/app/uploads/2026/03/What-is-new-in-Calico-winter-2026.png)](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/whats-new-in-calico-winter-2026-release/) [Company Blog](https://wordpress-1075849-4005834.cloudwaysapps.com/category/company-blog/) #### [What’s New in Calico: Winter 2026 Release](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/whats-new-in-calico-winter-2026-release/) By [Veronika Smolik](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/author/veronika-smolik/) on Mar 4, 2026 AI Powered Intelligence, Unified Traffic Observability and Scalable Infrastructure Management As anyone managing one or more Kubernetes clusters knows by now, scaling can introduce an exponentially growing number of problems. The sheer volume of metrics,... [Read more](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/whats-new-in-calico-winter-2026-release/) [![Join Calico at KubeCon Europe 2026: AI Agents, Silent Discos, and Dutch Delights!](https://wordpress-1075849-4005834.cloudwaysapps.com/app/uploads/2026/02/Blog-Kubecon-Euro-2026-.png)](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/calico-at-kubecon-cloudnativecon-europe2026/) #### [Join Calico at KubeCon Europe 2026: AI Agents, Silent Discos, and Dutch Delights!](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/calico-at-kubecon-cloudnativecon-europe2026/) By [Tigera Team](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/author/marketingtigera-io/) on Feb 25, 2026 The cloud-native community is heading to the historic canals and vibrant tech scene of Amsterdam for KubeCon + CloudNativeCon Europe 2026! From March 23–26, Amsterdam will be buzzing with the latest in Kubernetes, platform engineering,... [Read more](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/calico-at-kubecon-cloudnativecon-europe2026/) [![Project Calico 3.30+ Hackathon: Show Us What You Can Build!](https://wordpress-1075849-4005834.cloudwaysapps.com/app/uploads/2026/02/Blog-Hackathon-.png)](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/project-calico-3-30-hackathon-show-us-what-you-can-build/) #### [Project Calico 3.30+ Hackathon: Show Us What You Can Build!](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/project-calico-3-30-hackathon-show-us-what-you-can-build/) By [Tigera Team](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/author/marketingtigera-io/) on Feb 17, 2026 Build the Future of Cloud-Native Networking! 🚀 The Calico community moves fast. With the releases of Calico 3.30 and 3.31, brings improvements in scalability, network security, and visibility. Now, we want to see what YOU... [Read more](https://wordpress-1075849-4005834.cloudwaysapps.com/blog/project-calico-3-30-hackathon-show-us-what-you-can-build/)