Use ( not {

Makefile

@@ -65,12 +65,12 @@ gen-manifests: bin/helm
 # Get operator CRDs from the operator repo, OPERATOR_BRANCH must be set
 get-operator-crds: var-require-all-OPERATOR_BRANCH
 	@echo ================================================================
-	@echo === Pulling new operator CRDs from branch ${OPERATOR_BRANCH} ===
+	@echo === Pulling new operator CRDs from branch $(OPERATOR_BRANCH) ===
 	@echo ================================================================
 	cd ./charts/tigera-operator/crds/ && \
-	for file in operator.tigera.io_*.yaml; do echo "downloading $$file from operator repo" && curl -fsSL https://raw.githubusercontent.com/tigera/operator/${OPERATOR_BRANCH}/pkg/crds/operator/$${file%_crd.yaml}.yaml -o $${file}; done
+	for file in operator.tigera.io_*.yaml; do echo "downloading $$file from operator repo" && curl -fsSL https://raw.githubusercontent.com/tigera/operator/$(OPERATOR_BRANCH)/pkg/crds/operator/$${file%_crd.yaml}.yaml -o $${file}; done
 	cd ./manifests/ocp/ && \
-	for file in operator.tigera.io_*.yaml; do echo "downloading $$file from operator repo" && curl -fsSL https://raw.githubusercontent.com/tigera/operator/${OPERATOR_BRANCH}/pkg/crds/operator/$${file%_crd.yaml}.yaml -o $${file}; done
+	for file in operator.tigera.io_*.yaml; do echo "downloading $$file from operator repo" && curl -fsSL https://raw.githubusercontent.com/tigera/operator/$(OPERATOR_BRANCH)/pkg/crds/operator/$${file%_crd.yaml}.yaml -o $${file}; done
 
 gen-semaphore-yaml:
 	cd .semaphore && ./generate-semaphore-yaml.sh

release/RELEASING.md

@@ -103,6 +103,7 @@ When starting development on a new minor release, the first step is to create a
 
    - charts/calico/values.yaml
    - charts/tigera-operator/values.yaml
+   - metadata.mk (OPERATOR_VERSION)
 
    Then, run manifest generation