docs: announce release 1.27.0 (#353)

Signed-off-by: Gabriele Bartolini <[email protected]>

Author: gbartolini

content/releases/cloudnative-pg-1-27.0-released/58364dde1adc4a0a8.37186404-2048x1445.jpg

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+---
+title: "CloudNativePG 1.27.0 Released!"
+date: 2025-08-12
+draft: false
+author: gbartolini
+image:
+    url: 58364dde1adc4a0a8.37186404-2048x1445.jpg
+    attribution: from <a href="https://wordpress.org/photos/photo/58364dde1a/">Saurabh</a>
+tags:
+ - release
+ - postgresql
+ - postgres
+ - kubernetes
+ - k8s
+ - cloudnativepg
+ - cnpg
+summary: The CloudNativePG community is excited to announce version 1.27.0, featuring powerful new capabilities for PostgreSQL on Kubernetes.
+---
+
+The **CloudNativePG Community** is excited to announce the release of
+**CloudNativePG 1.27.0**, bringing powerful new features, stability
+improvements, and extended capabilities for running PostgreSQL in Kubernetes.
+
+---
+
+## Highlights in 1.27.0
+
+### Dynamic Loading of PostgreSQL Extensions
+
+You can now use the new `.spec.postgresql.extensions` field to mount PostgreSQL
+extensions—packaged as OCI-compliant container images—as **read-only, immutable
+volumes** in instance pods.
+This enables [dynamic extension management](/documentation/1.27/imagevolume_extensions/)
+without rebuilding base images, offering faster, more flexible extension
+deployments.
+
+### Logical Decoding Slot Synchronization
+
+A new `synchronizeLogicalDecoding` option under
+`spec.replicationSlots.highAvailability` introduces
+[automatic synchronization of logical decoding slots](/documentation/1.27/replication/#logical-decoding-slot-synchronization)
+across high-availability clusters. This ensures that logical replication
+subscribers can continue seamlessly after a publisher failover, **improving
+reliability and integration with Change Data Capture (CDC) tools**.
+
+### Primary Isolation Check — Now Stable
+
+The **liveness pinger**, introduced experimentally in 1.26, is now a stable
+feature.  With `.spec.probes.liveness.isolationCheck` enabled by default, the
+liveness probe now performs
+[primary isolation checks](/documentation/1.27/instance_manager/#primary-isolation)
+to improve detection and handling of primary connectivity issues in Kubernetes
+environments.
+
+---
+
+## Other Enhancements
+
+This release also includes:
+
+- **Quorum-based failover** *(experimental)* — an opt-in feature that improves
+  safety and data durability during failover events through synchronous replication.
+  [Learn more](/documentation/1.27/failover/#failover-quorum-quorum-based-failover).
+- **User maps for predefined users** — including `streaming_replica`, enabling
+  the use of self-managed client certificates with different Common Names in
+  environments with strict security policies or shared certificate authorities.
+- **Improved plugin failure observability** — with a new `PhaseFailurePlugin`
+  phase in `Cluster status` to better track plugin-related errors.
+
+Full details are available in the
+[release notes](https://cloudnative-pg.io/documentation/1.27/release_notes/v1.27/).
+
+---
+
+## Upgrade Guidance
+
+We recommend upgrading to **1.27.0** to benefit from the latest features,
+enhancements, and long-term stability.
+
+If you’re on **1.26.x**, upgrade to **1.26.1** to get the latest fixes in that series.
+
+Support for the **1.25.x** series ends on **22 August 2025** — plan your
+migration to 1.27 or 1.26 soon.
+
+Follow the [upgrade instructions](https://cloudnative-pg.io/documentation/1.27/installation_upgrade/#upgrades)
+for a smooth transition.
+
+---
+
+## Get Involved with the Community
+
+[Join us](https://github.com/cloudnative-pg/cloudnative-pg?tab=readme-ov-file#communications)
+to help shape the future of cloud-native Postgres!
+
+If you're using CloudNativePG in production, consider
+[adding your organization as an adopter](https://github.com/cloudnative-pg/cloudnative-pg/blob/main/ADOPTERS.md)
+to support the project's growth and evolution.
+
+Thank you for your continued support! Upgrade today and discover how
+CloudNativePG can elevate your PostgreSQL experience to new heights.
+
+<!--
+## About CloudNativePG
+
+[CloudNativePG](https://cloudnative-pg.io) is an open-source Kubernetes
+Operator specifically designed for PostgreSQL workloads. It manages the entire
+lifecycle of a PostgreSQL cluster, including bootstrapping, configuration, high
+availability, connection routing, and comprehensive backup and disaster
+recovery mechanisms. By leveraging PostgreSQL's native streaming replication,
+CloudNativePG efficiently distributes data across pods, nodes, and zones using
+standard Kubernetes patterns, enabling seamless scaling of replicas in a
+Kubernetes-native manner. Originally developed and supported by
+[EDB](https://www.enterprisedb.com/), CloudNativePG is a CNCF Sandbox project
+and the sole PostgreSQL operator in this category.
+-->
+<!--
+Tweet
+
+🚀 CloudNativePG 1.27.0 is out!
+
+What’s new:
+
+🔹 Dynamic extensions — run OCI-packaged PostgreSQL extensions instantly, no rebuilds needed.
+🔹 Logical decoding slot sync — failovers without disruption, with better CDC tool compatibility.
+🔹 Primary isolation checks — now stable, catching connectivity issues faster.
+
+Also included: experimental quorum-based failover, user maps for predefined users, and improved plugin failure insights.
+
+Read the full story: URL
+
+#PostgreSQL #Kubernetes #CloudNativePG #OpenSource #CDC #CNPG #k8s #postgres
+
+--->