Bump versions after 8.16.5 release

.buildkite/pipelines/intake.yml

@@ -56,7 +56,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.29", "8.16.5", "8.17.4", "8.18.0", "8.19.0"]
+            BWC_VERSION: ["7.17.29", "8.16.6", "8.17.4", "8.18.0", "8.19.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.buildkite/pipelines/periodic-packaging.yml

@@ -579,8 +579,8 @@ steps:
         env:
           BWC_VERSION: 8.15.5
 
-      - label: "{{matrix.image}} / 8.16.5 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.16.5
+      - label: "{{matrix.image}} / 8.16.6 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.16.6
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -593,7 +593,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 8.16.5
+          BWC_VERSION: 8.16.6
 
       - label: "{{matrix.image}} / 8.17.4 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.17.4

.buildkite/pipelines/periodic.yml

@@ -648,8 +648,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 8.16.5 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.16.5#bwcTest
+      - label: 8.16.6 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.16.6#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -658,7 +658,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 8.16.5
+          BWC_VERSION: 8.16.6
         retry:
           automatic:
             - exit_status: "-1"
@@ -790,7 +790,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk17
-            BWC_VERSION: ["7.17.29", "8.16.5", "8.17.4", "8.18.0", "8.19.0"]
+            BWC_VERSION: ["7.17.29", "8.16.6", "8.17.4", "8.18.0", "8.19.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
@@ -838,7 +838,7 @@ steps:
               - openjdk21
               - openjdk22
               - openjdk23
-            BWC_VERSION: ["7.17.29", "8.16.5", "8.17.4", "8.18.0", "8.19.0"]
+            BWC_VERSION: ["7.17.29", "8.16.6", "8.17.4", "8.18.0", "8.19.0"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004

.ci/bwcVersions

@@ -33,7 +33,7 @@ BWC_VERSION:
   - "8.13.4"
   - "8.14.3"
   - "8.15.5"
-  - "8.16.5"
+  - "8.16.6"
   - "8.17.4"
   - "8.18.0"
   - "8.19.0"

.ci/snapshotBwcVersions

@@ -1,6 +1,6 @@
 BWC_VERSION:
   - "7.17.29"
-  - "8.16.5"
+  - "8.16.6"
   - "8.17.4"
   - "8.18.0"
   - "8.19.0"

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

@@ -109,6 +109,7 @@ public class TransportVersions {
     public static final TransportVersion SKIP_INNER_HITS_SEARCH_SOURCE_BACKPORT_8_16 = def(8_772_0_03);
     public static final TransportVersion QUERY_RULES_LIST_INCLUDES_TYPES_BACKPORT_8_16 = def(8_772_0_04);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_16_5 = def(8_772_0_05);
+    public static final TransportVersion INITIAL_ELASTICSEARCH_8_16_6 = def(8_772_0_06);
     public static final TransportVersion REMOVE_MIN_COMPATIBLE_SHARD_NODE = def(8_773_0_00);
     public static final TransportVersion REVERT_REMOVE_MIN_COMPATIBLE_SHARD_NODE = def(8_774_0_00);
     public static final TransportVersion ESQL_FIELD_ATTRIBUTE_PARENT_SIMPLIFIED = def(8_775_0_00);
@@ -251,7 +252,7 @@ public class TransportVersions {
      * Reference to the minimum transport version that can be used with CCS.
      * This should be the transport version used by the previous minor release.
      */
-    public static final TransportVersion MINIMUM_CCS_VERSION = INITIAL_ELASTICSEARCH_8_17_3;
+    public static final TransportVersion MINIMUM_CCS_VERSION = INITIAL_ELASTICSEARCH_8_16_5;
 
     static final NavigableMap<Integer, TransportVersion> VERSION_IDS = getAllVersionIds(TransportVersions.class);
 

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

@@ -198,6 +198,7 @@ public class Version implements VersionId<Version>, ToXContentFragment {
     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_16_5 = new Version(8_16_05_99);
+    public static final Version V_8_16_6 = new Version(8_16_06_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

@@ -142,6 +142,7 @@
 8.16.2,8772004
 8.16.3,8772004
 8.16.4,8772004
+8.16.5,8772005
 8.17.0,8797002
 8.17.1,8797002
 8.17.2,8797002

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

@@ -142,6 +142,7 @@
 8.16.2,8518000
 8.16.3,8518000
 8.16.4,8518000
+8.16.5,8518000
 8.17.0,8521000
 8.17.1,8521000
 8.17.2,8521000