Forwardport 2.27.2

Author: surister

.unreleased/fix_9902

@@ -2,6 +2,15 @@
 
 **Please note: When updating your database, you should connect using `psql` with the `-X` flag to prevent any `.psqlrc` commands from accidentally triggering the load of a previous TimescaleDB version.**
 
+## 2.27.2 (2026-06-02)
+
+This release contains bug fixes since the 2.27.1 release. We recommend that you upgrade at the next available opportunity.
+
+**Bugfixes**
+* [#9895](https://github.com/timescale/timescaledb/pull/9895) Remove refresh policy check when adding columnstore policy
+* [#9902](https://github.com/timescale/timescaledb/pull/9902) Fix wrong results and crashes when grouping by columns that are not in the `SELECT` list with vectorized aggregation or columnar index scan
+* [#9908](https://github.com/timescale/timescaledb/pull/9908) Skip `ColumnarIndexScan` when the qual contains a SubPlan
+
 ## 2.27.1 (2026-05-19)
 
 This release contains performance improvements and bug fixes since the 2.27.0 release. We recommend that you upgrade at the next available opportunity.

.unreleased/pr_9895

@@ -66,7 +66,8 @@ set(MOD_FILES
     updates/2.26.2--2.26.3.sql
     updates/2.26.3--2.26.4.sql
     updates/2.26.4--2.27.0.sql
-    updates/2.27.0--2.27.1.sql)
+    updates/2.27.0--2.27.1.sql
+    updates/2.27.1--2.27.2.sql)
 
 # The downgrade file to generate a downgrade script for the current version, as
 # specified in version.config

.unreleased/pr_9908

@@ -1,2 +1,2 @@
 version = 2.28.0-dev
-previous_version = 2.27.1
+previous_version = 2.27.2