Bump versions after 8.16.3 release

Author: elasticsearchmachine

.buildkite/pipelines/intake.yml

@@ -56,7 +56,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.28", "8.16.3", "8.17.2"]
+            BWC_VERSION: ["7.17.28", "8.16.4", "8.17.2"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.buildkite/pipelines/periodic-packaging.yml

@@ -576,8 +576,8 @@ steps:
         env:
           BWC_VERSION: 8.15.5
 
-      - label: "{{matrix.image}} / 8.16.3 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.16.3
+      - label: "{{matrix.image}} / 8.16.4 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.16.4
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -590,7 +590,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 8.16.3
+          BWC_VERSION: 8.16.4
 
       - label: "{{matrix.image}} / 8.17.2 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.17.2

.buildkite/pipelines/periodic.yml

@@ -648,8 +648,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 8.16.3 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.16.3#bwcTest
+      - label: 8.16.4 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.16.4#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -658,7 +658,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 8.16.3
+          BWC_VERSION: 8.16.4
         retry:
           automatic:
             - exit_status: "-1"
@@ -752,7 +752,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk17
-            BWC_VERSION: ["7.17.28", "8.16.3", "8.17.2"]
+            BWC_VERSION: ["7.17.28", "8.16.4", "8.17.2"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
@@ -800,7 +800,7 @@ steps:
               - openjdk21
               - openjdk22
               - openjdk23
-            BWC_VERSION: ["7.17.28", "8.16.3", "8.17.2"]
+            BWC_VERSION: ["7.17.28", "8.16.4", "8.17.2"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.ci/bwcVersions

@@ -33,5 +33,5 @@ BWC_VERSION:
   - "8.13.4"
   - "8.14.3"
   - "8.15.5"
-  - "8.16.3"
+  - "8.16.4"
   - "8.17.2"

.ci/snapshotBwcVersions

@@ -1,4 +1,4 @@
 BWC_VERSION:
   - "7.17.28"
-  - "8.16.3"
+  - "8.16.4"
   - "8.17.2"

server/src/main/java/org/elasticsearch/Version.java

@@ -195,6 +195,7 @@ public class Version implements VersionId<Version>, ToXContentFragment {
     public static final Version V_8_16_1 = new Version(8_16_01_99);
     public static final Version V_8_16_2 = new Version(8_16_02_99);
     public static final Version V_8_16_3 = new Version(8_16_03_99);
+    public static final Version V_8_16_4 = new Version(8_16_04_99);
     public static final Version V_8_17_0 = new Version(8_17_00_99);
     public static final Version V_8_17_1 = new Version(8_17_01_99);
     public static final Version V_8_17_2 = new Version(8_17_02_99);

server/src/main/resources/org/elasticsearch/TransportVersions.csv

@@ -139,5 +139,6 @@
 8.16.0,8772001
 8.16.1,8772004
 8.16.2,8772004
+8.16.3,8772004
 8.17.0,8797002
 8.17.1,8797002

server/src/main/resources/org/elasticsearch/index/IndexVersions.csv

@@ -139,5 +139,6 @@
 8.16.0,8518000
 8.16.1,8518000
 8.16.2,8518000
+8.16.3,8518000
 8.17.0,8521000
 8.17.1,8521000