diff --git a/hack/release-scripts/generate-release b/hack/release-scripts/generate-release-pr
similarity index 79%
rename from hack/release-scripts/generate-release
rename to hack/release-scripts/generate-release-pr
index 78dfeead8..6c2f32757 100755
--- a/hack/release-scripts/generate-release
+++ b/hack/release-scripts/generate-release-pr
@@ -1,8 +1,6 @@
 #!/bin/bash
 # This script generates (most of) the file changes needed for a new aws-ebs-csi-driver release
 
-tmp_filename="tmp-$RANDOM.txt" # TODO Needed?
-
 # --- Script Tools
 set -euo pipefail # Exit on any error
 
@@ -19,6 +17,16 @@ check_dependencies() {
       exit 1
     fi
   done
+
+  # Force macOS users to use gsed due to -i incompatibility
+  export SED="sed"
+  if [[ $(uname) = "Darwin" ]]; then
+    if ! command -v "gsed" &>/dev/null; then
+      log "gsed could not be found, please install it."
+            exit 1
+    fi
+    SED="gsed"
+  fi
 }
 
 error_handler() {
@@ -29,8 +37,6 @@ error_handler() {
 trap 'error_handler ${LINENO} $? "$BASH_COMMAND"' ERR
 
 # --- Script
-# trap 'rm $tmp_filename' EXIT TODO ?
-
 usage () {
   echo "Usage: $0 [NEW_DRIVER_VERSION] [optional-cmd]"
   echo "example: $0 v1.24.0"
@@ -66,9 +72,6 @@ parse_args () {
   [[ $# -ne 1 ]] && usage
 
   setup_vars "$@"
-
-  # Confirm sure new version isn't same as current version
-  [[ "$NEW_DRIVER_VERSION" == "$PREV_DRIVER_VERSION" ]] || log "ERROR: $NEW_DRIVER_VERSION is the existing driver version"
 }
 
 update_driver_source_of_truth () {
@@ -90,15 +93,14 @@ update_readme () {
 
 update_makefile () {
   log "Updating Makefile"
-  # TODO figure out how to standardize GNU and BSD sed? Always redirect into tmp file?
-  gsed "s/VERSION?=$PREV_DRIVER_VERSION/VERSION?=$NEW_DRIVER_VERSION/g" "$MAKEFILE_PATH"
+  $SED "s/VERSION?=$PREV_DRIVER_VERSION/VERSION?=$NEW_DRIVER_VERSION/g" -i "$MAKEFILE_PATH"
 }
 
 update_installmd () {
   log "Updating docs/install.md"
   prev_major_minor_version=$(echo "$PREV_DRIVER_VERSION" | sed 's/v\([0-9]*\.[0-9]*\).*/\1/')
   new_major_minor_version=$(echo "$NEW_DRIVER_VERSION" | sed 's/v\([0-9]*\.[0-9]*\).*/\1/')
-  gsed "s/?ref=release-$prev_major_minor_version/?ref=release-$new_major_minor_version/g" "$INSTALL_MD_PATH"
+  $SED "s/?ref=release-$prev_major_minor_version/?ref=release-$new_major_minor_version/g" -i "$INSTALL_MD_PATH"
 }
 
 update_chart_and_overlays () {
@@ -106,10 +108,9 @@ update_chart_and_overlays () {
   prev_minor_patch_version=$(echo "$PREV_DRIVER_VERSION" | sed 's/v[0-9]*\.//')
   new_minor_patch_version=$(echo "$NEW_DRIVER_VERSION" | sed 's/v[0-9]*\.//')
 
-  gsed "s/$prev_minor_patch_version$/$new_minor_patch_version/g" "$CHART_PATH"
+  $SED "s/$prev_minor_patch_version$/$new_minor_patch_version/g" -i "$CHART_PATH"
 
-  (cd "$ROOT_DIRECTORY"; make generate-kustomize) > tmp.f # TODO look up proper null print
-  rm tmp.f
+  (cd "$ROOT_DIRECTORY"; make generate-kustomize) > "/dev/null"
 }
 
 update_upstream_repo () {
@@ -122,14 +123,15 @@ update_upstream_repo () {
 print_rest_of_release_steps () {
   echo "SUCCESS!
 Before you submit the release PR, you must also:
-  1. Update CHANGELOG.md
-  2. Update charts/aws-ebs-csi-driver/CHANGELOG.md"
+  1. Check that 'git diff' produces what you expected.
+  2. Update CHANGELOG.md
+  3. Update charts/aws-ebs-csi-driver/CHANGELOG.md"
 }
 
 main () {
   check_dependencies
   parse_args "$@"
-  # update_driver_source_of_truth TODO test 
+  update_driver_source_of_truth
 
   # Post-release PR except changelogs
   update_upstream_repo
diff --git a/hack/release-scripts/image-source-of-truth.yaml b/hack/release-scripts/image-source-of-truth.yaml
index 9ba68e185..2099b0053 100644
--- a/hack/release-scripts/image-source-of-truth.yaml
+++ b/hack/release-scripts/image-source-of-truth.yaml
@@ -4,7 +4,7 @@ driver:
   name: "aws-ebs-csi-driver"
   version: "v1.24.0"
   gcrStagingImage: "gcr.io/k8s-staging-provider-aws/aws-ebs-csi-driver"
-  manifestDigest: ""
+  manifestDigest: "sha256:3dba81d0c3c8ce51abeda40ec0dbad7e4930a89c8c6a1984a64bf67caa46a3ae"
   gcrImage: "registry.k8s.io/provider-aws/aws-ebs-csi-driver"
   ecrImage: "public.ecr.aws/ebs-csi-driver/aws-ebs-csi-driver"
 sidecars: # sidecar names match upstream helm chart values.yaml