Bump versions after 8.16.3 release

Author: elasticsearchmachine

.backportrc.json

@@ -3,7 +3,7 @@
   "targetBranchChoices" : [ "main", "8.x", "8.16", "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "6.8" ],
   "targetPRLabels" : [ "backport" ],
   "branchLabelMapping" : {
-    "^v8.16.3$" : "main",
+    "^v8.16.4$" : "main",
     "^v(\\d+).(\\d+).\\d+(?:-(?:alpha|beta|rc)\\d+)?$" : "$1.$2"
   }
 }

.buildkite/pipelines/intake.yml

@@ -56,7 +56,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.28", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.4"]
         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
 
   - group: packaging-tests-windows
     steps:

.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"
@@ -733,7 +733,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk17
-            BWC_VERSION: ["7.17.28", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
@@ -781,7 +781,7 @@ steps:
               - openjdk21
               - openjdk22
               - openjdk23
-            BWC_VERSION: ["7.17.28", "8.16.3"]
+            BWC_VERSION: ["7.17.28", "8.16.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.ci/bwcVersions

@@ -33,4 +33,4 @@ BWC_VERSION:
   - "8.13.4"
   - "8.14.3"
   - "8.15.5"
-  - "8.16.3"
+  - "8.16.4"

.ci/snapshotBwcVersions

@@ -1,3 +1,3 @@
 BWC_VERSION:
   - "7.17.28"
-  - "8.16.3"
+  - "8.16.4"

build-tools-internal/version.properties

@@ -1,4 +1,4 @@
-elasticsearch     = 8.16.3
+elasticsearch     = 8.16.4
 lucene            = 9.12.0
 
 bundled_jdk_vendor = openjdk

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

@@ -195,7 +195,8 @@ 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 CURRENT = V_8_16_3;
+    public static final Version V_8_16_4 = new Version(8_16_04_99);
+    public static final Version CURRENT = V_8_16_4;
 
     private static final NavigableMap<Integer, Version> VERSION_IDS;
     private static final Map<String, Version> VERSION_STRINGS;

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

@@ -139,3 +139,4 @@
 8.16.0,8772001
 8.16.1,8772004
 8.16.2,8772004
+8.16.3,8772004

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

@@ -139,3 +139,4 @@
 8.16.0,8518000
 8.16.1,8518000
 8.16.2,8518000
+8.16.3,8518000