diff --git a/.github/release-please.yml b/.github/release-please.yml
index 53b119627..cbb5be49c 100644
--- a/.github/release-please.yml
+++ b/.github/release-please.yml
@@ -30,3 +30,7 @@ branches:
     handleGHRelease: true
     releaseType: java-backport
     branch: 2.17.x
+  - bumpMinorPreMajor: true
+    handleGHRelease: true
+    releaseType: java-backport
+    branch: 2.19.x
diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
index 046f23200..fce568dc2 100644
--- a/.github/sync-repo-settings.yaml
+++ b/.github/sync-repo-settings.yaml
@@ -170,6 +170,22 @@ branchProtectionRules:
       - 'Kokoro - Test: Java GraalVM Native Image'
       - 'Kokoro - Test: Java 17 GraalVM Native Image'
       - javadoc
+  - pattern: 2.19.x
+    isAdminEnforced: true
+    requiredApprovingReviewCount: 1
+    requiresCodeOwnerReviews: true
+    requiresStrictStatusChecks: false
+    requiredStatusCheckContexts:
+      - dependencies (17)
+      - lint
+      - clirr
+      - units (8)
+      - units (11)
+      - 'Kokoro - Test: Integration'
+      - cla/google
+      - 'Kokoro - Test: Java GraalVM Native Image'
+      - 'Kokoro - Test: Java 17 GraalVM Native Image'
+      - javadoc
 permissionRules:
   - team: yoshi-admins
     permission: admin
diff --git a/.github/workflows/hermetic_library_generation.yaml b/.github/workflows/hermetic_library_generation.yaml
index 7146cc3dc..8b479f3a4 100644
--- a/.github/workflows/hermetic_library_generation.yaml
+++ b/.github/workflows/hermetic_library_generation.yaml
@@ -17,9 +17,12 @@ name: Hermetic library generation upon generation config change through pull req
 on:
   pull_request:
 
+env:
+  HEAD_REF: ${{ github.head_ref }}
+
 jobs:
   library_generation:
-    # skip pull requests coming from a forked repository
+    # skip pull requests come from a forked repository
     if: github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
     steps:
@@ -35,6 +38,6 @@ jobs:
         [ -z "$(git config user.name)" ] && git config --global user.name "cloud-java-bot"
         bash .github/scripts/hermetic_library_generation.sh \
           --target_branch ${{ github.base_ref }} \
-          --current_branch ${{ github.head_ref }}
+          --current_branch $HEAD_REF
       env:
         GH_TOKEN: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
diff --git a/.github/workflows/unmanaged_dependency_check.yaml b/.github/workflows/unmanaged_dependency_check.yaml
index ec72b08ac..ffc858543 100644
--- a/.github/workflows/unmanaged_dependency_check.yaml
+++ b/.github/workflows/unmanaged_dependency_check.yaml
@@ -14,6 +14,6 @@ jobs:
       shell: bash
       run: .kokoro/build.sh
     - name: Unmanaged dependency check
-      uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v3.32.0
+      uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v3.33.0
       with:
         bom-path: google-cloud-datastore-bom/pom.xml
diff --git a/.kokoro/presubmit/graalvm-native-17.cfg b/.kokoro/presubmit/graalvm-native-17.cfg
index 0c813eaf7..a452e7c8c 100644
--- a/.kokoro/presubmit/graalvm-native-17.cfg
+++ b/.kokoro/presubmit/graalvm-native-17.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:3.32.0"
+  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_b:3.33.0"
 }
 
 env_vars: {
diff --git a/.kokoro/presubmit/graalvm-native.cfg b/.kokoro/presubmit/graalvm-native.cfg
index ef1c9176c..ad15d4f7f 100644
--- a/.kokoro/presubmit/graalvm-native.cfg
+++ b/.kokoro/presubmit/graalvm-native.cfg
@@ -3,7 +3,7 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:3.32.0"
+  value: "gcr.io/cloud-devrel-public-resources/graalvm_sdk_platform_a:3.33.0"
 }
 
 env_vars: {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9ca1c263..f6234e13b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [2.21.1](https://github.com/googleapis/java-datastore/compare/v2.21.0...v2.21.1) (2024-08-06)
+
+
+### Dependencies
+
+* Update dependency com.google.cloud:sdk-platform-java-config to v3.33.0 ([#1531](https://github.com/googleapis/java-datastore/issues/1531)) ([9e52395](https://github.com/googleapis/java-datastore/commit/9e52395f7ee71315331790284d35e7aad2f387ed))
+
+## [2.21.0](https://github.com/googleapis/java-datastore/compare/v2.20.2...v2.21.0) (2024-07-31)
+
+
+### Features
+
+* Enable hermetic library generation ([#1462](https://github.com/googleapis/java-datastore/issues/1462)) ([d142d9c](https://github.com/googleapis/java-datastore/commit/d142d9c95d91c8cadaf696efc12d6136814938ff))
+
 ## [2.20.2](https://github.com/googleapis/java-datastore/compare/v2.20.1...v2.20.2) (2024-06-28)
 
 
diff --git a/datastore-v1-proto-client/pom.xml b/datastore-v1-proto-client/pom.xml
index 70b9590b0..eb7a28713 100644
--- a/datastore-v1-proto-client/pom.xml
+++ b/datastore-v1-proto-client/pom.xml
@@ -19,12 +19,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud.datastore</groupId>
   <artifactId>datastore-v1-proto-client</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
+  <version>2.21.1</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
 
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
 
   <packaging>jar</packaging>
diff --git a/google-cloud-datastore-bom/pom.xml b/google-cloud-datastore-bom/pom.xml
index 281c581c9..c683a9474 100644
--- a/google-cloud-datastore-bom/pom.xml
+++ b/google-cloud-datastore-bom/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datastore-bom</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore-bom:current} -->
+  <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore-bom:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>sdk-platform-java-config</artifactId>
-    <version>3.32.0</version>
+    <version>3.33.0</version>
   </parent>
 
   <name>Google Cloud datastore BOM</name>
@@ -52,22 +52,22 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+        <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.1</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-v1</artifactId>
-        <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+        <version>0.112.1</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.1</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-datastore/pom.xml b/google-cloud-datastore/pom.xml
index b06df4c0f..29bb63d3d 100644
--- a/google-cloud-datastore/pom.xml
+++ b/google-cloud-datastore/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-datastore</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+  <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Datastore</name>
   <url>https://github.com/googleapis/java-datastore</url>
@@ -12,7 +12,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-datastore</site.installationModule>
diff --git a/grpc-google-cloud-datastore-admin-v1/pom.xml b/grpc-google-cloud-datastore-admin-v1/pom.xml
index 69da06680..373333ce3 100644
--- a/grpc-google-cloud-datastore-admin-v1/pom.xml
+++ b/grpc-google-cloud-datastore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+  <version>2.21.1</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
   <name>grpc-google-cloud-datastore-admin-v1</name>
   <description>GRPC library for google-cloud-datastore</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 407041f2b..72d70b386 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-datastore-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+  <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   <name>Google Cloud Datastore Parent</name>
   <url>https://github.com/googleapis/java-datastore</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>sdk-platform-java-config</artifactId>
-    <version>3.32.0</version>
+    <version>3.33.0</version>
   </parent>
 
   <developers>
@@ -159,27 +159,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.1</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-datastore-admin-v1</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
+        <version>2.21.1</version><!-- {x-version-update:grpc-google-cloud-datastore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-datastore</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+        <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-datastore-v1</artifactId>
-        <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+        <version>0.112.1</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud.datastore</groupId>
         <artifactId>datastore-v1-proto-client</artifactId>
-        <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
+        <version>2.21.1</version><!-- {x-version-update:datastore-v1-proto-client:current} -->
         <exclusions>
           <exclusion>
             <groupId>com.google.api.grpc</groupId>
diff --git a/proto-google-cloud-datastore-admin-v1/pom.xml b/proto-google-cloud-datastore-admin-v1/pom.xml
index f53996a6d..1c660d581 100644
--- a/proto-google-cloud-datastore-admin-v1/pom.xml
+++ b/proto-google-cloud-datastore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datastore-admin-v1</artifactId>
-  <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
+  <version>2.21.1</version><!-- {x-version-update:proto-google-cloud-datastore-admin-v1:current} -->
   <name>proto-google-cloud-datastore-admin-v1</name>
   <description>Proto library for google-cloud-datastore</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-datastore-v1/pom.xml b/proto-google-cloud-datastore-v1/pom.xml
index 85f530c75..4740a89c4 100644
--- a/proto-google-cloud-datastore-v1/pom.xml
+++ b/proto-google-cloud-datastore-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-datastore-v1</artifactId>
-  <version>0.111.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
+  <version>0.112.1</version><!-- {x-version-update:proto-google-cloud-datastore-v1:current} -->
   <name>proto-google-cloud-datastore-v1</name>
   <description>PROTO library for proto-google-cloud-datastore-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-datastore-parent</artifactId>
-    <version>2.20.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-datastore:current} -->
+    <version>2.21.1</version><!-- {x-version-update:google-cloud-datastore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/native-image-sample/pom.xml b/samples/native-image-sample/pom.xml
index 0f3c1919c..5a0ee2386 100644
--- a/samples/native-image-sample/pom.xml
+++ b/samples/native-image-sample/pom.xml
@@ -28,7 +28,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.41.0</version>
+        <version>26.43.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 93710c03b..3d3b267eb 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-datastore</artifactId>
-      <version>2.20.3-SNAPSHOT</version>
+      <version>2.21.1</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index f04cdc885..7e4de0be6 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>26.41.0</version>
+        <version>26.43.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/versions.txt b/versions.txt
index 5d2ffbced..478c0b62e 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-datastore:2.20.2:2.20.3-SNAPSHOT
-google-cloud-datastore-bom:2.20.2:2.20.3-SNAPSHOT
-proto-google-cloud-datastore-v1:0.111.2:0.111.3-SNAPSHOT
-datastore-v1-proto-client:2.20.2:2.20.3-SNAPSHOT
-proto-google-cloud-datastore-admin-v1:2.20.2:2.20.3-SNAPSHOT
-grpc-google-cloud-datastore-admin-v1:2.20.2:2.20.3-SNAPSHOT
+google-cloud-datastore:2.21.1:2.21.1
+google-cloud-datastore-bom:2.21.1:2.21.1
+proto-google-cloud-datastore-v1:0.112.1:0.112.1
+datastore-v1-proto-client:2.21.1:2.21.1
+proto-google-cloud-datastore-admin-v1:2.21.1:2.21.1
+grpc-google-cloud-datastore-admin-v1:2.21.1:2.21.1