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+# Monitoring Core Module version v1.12.3
+
+This patch includes hotfix in `thanos/thanos-with-store` package.
+
+## Changelog
+
+- Remove unsupported flag `--experimental.enable-index-cache-postings-compression` (behaviour is now the default)
+
+## Upgrade path
+
+To upgrade this core module from `v1.12.2` to `v1.12.3`:
+
+1. Download the new module version
+2. Build and apply the `kustomize` project:
+
+```bash
+kustomize build katalog/thanos/thanos-with-store | kubectl apply -f -
+```