feat(blog): add post for 2.4.0 release (#171)

_posts/2023-12-14-cryostat-240-release.md

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+---
+layout: post
+title: Cryostat 2.4.0 is Released!
+date: 2023-12-14
+synopsis: Cryostat 2.4.0 is here. Learn what's new in this release.
+author: Andrew Azores
+---
+
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
+Hello everyone,
+
+We are pleased to announce the release of Cryostat 2.4.0! This is a feature release with the following key highlights compared to 2.3.1:
+
+1. **ARM64 support**: support added for using Cryostat on ARM64 (aarch64) architecture
+2. **Cryostat Agent** enhancements:
+    - **HTTP API** support for JFR **write** operations: enables the Cryostat agent to accept on-demand requests to start, stop, and delete JFR recordings for any target JVMs that have an agent HTTP connection
+    - **Smart triggers** :custom trigger conditions based on MBean counters (memory, thread, operating system metrics) can be configured to dynamically start JFR recordings
+
+This was a relatively smaller feature release compared to some previous ones. That's because more of our development effort has already
+shifted to the next major release: [Cryostat 3.0](https://github.com/cryostatio/cryostat3). Stay tuned for more in-depth details about
+what 3.0 will entail. For now, here are two things you can expect from 3.0:
+
+1. **Smart Trigger** enhancements: API and "ergonomics"
+2. **S3 compatible** object storage for Cryostat archives
+
+## Where can I get the latest version of Cryostat?
+You can install Cryostat using our
+[Kubernetes operator on OperatorHub.io](https://operatorhub.io/operator/cryostat-operator)
+or via a
+[Helm Chart](https://github.com/cryostatio/cryostat-helm/releases/tag/v0.4.0)
+. As always, you can also run Cryostat in other environments with a little more manual setup.
+
+If this is your first time installing Cryostat on Kubernetes, you can [Get Started](/get-started) right here on this
+website.
+
+If you had previously installed Cryostat Operator 2.3.1 with OLM, then you may have already been upgraded to 2.4.0, or
+else you should be able to approve and install the upgrade.
+
+## Feedback
+Please reach out to the [Cryostat mailing list](mailto:cryostat-development@googlegroups.com) or
+[GitHub Discussion](https://github.com/cryostatio/cryostat/discussions/1817) with any questions or comments.