Bump versions after 8.18.7 release

.buildkite/pipelines/intake.yml

@@ -65,7 +65,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["8.18.7", "8.19.4", "9.0.7", "9.1.4"]
+            BWC_VERSION: ["8.18.8", "8.19.4", "9.1.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2404

.buildkite/pipelines/periodic-java-ea.yml

@@ -347,8 +347,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 8.18.7 / bwc
-        command: .ci/scripts/run-gradle.sh -Druntime.java=$$JAVA_EA_VERSION -Dbwc.checkout.align=true v8.18.7#bwcTest
+      - label: 8.18.8 / bwc
+        command: .ci/scripts/run-gradle.sh -Druntime.java=$$JAVA_EA_VERSION -Dbwc.checkout.align=true v8.18.8#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -357,7 +357,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 8.18.7
+          BWC_VERSION: 8.18.8
         retry:
           automatic:
             - exit_status: "-1"
@@ -423,25 +423,6 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 9.2.0 / bwc
-        command: .ci/scripts/run-gradle.sh -Druntime.java=$$JAVA_EA_VERSION -Dbwc.checkout.align=true v9.2.0#bwcTest
-        timeout_in_minutes: 300
-        agents:
-          provider: gcp
-          image: family/elasticsearch-ubuntu-2404
-          machineType: n1-standard-32
-          buildDirectory: /dev/shm/bk
-          preemptible: true
-        env:
-          BWC_VERSION: 9.2.0
-        retry:
-          automatic:
-            - exit_status: "-1"
-              limit: 3
-              signal_reason: none
-            - signal_reason: agent_stop
-              limit: 3
-
   - label: concurrent-search-tests
     command: .ci/scripts/run-gradle.sh -Druntime.java=$$JAVA_EA_VERSION -Dbwc.checkout.align=true -Dtests.jvm.argline=-Des.concurrent_search=true -Des.concurrent_search=true functionalTests
     timeout_in_minutes: 420
@@ -496,7 +477,7 @@ steps:
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["8.18.7", "8.19.4", "9.0.7", "9.1.4", "9.2.0"]
+            BWC_VERSION: ["8.18.8", "8.19.4", "9.1.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2404

.buildkite/pipelines/periodic-packaging.yml

@@ -318,8 +318,8 @@ steps:
         env:
           BWC_VERSION: 8.17.10
 
-      - label: "{{matrix.image}} / 8.18.7 / packaging-tests-upgrade"
-        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.18.7
+      - label: "{{matrix.image}} / 8.18.8 / packaging-tests-upgrade"
+        command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.18.8
         timeout_in_minutes: 300
         matrix:
           setup:
@@ -332,7 +332,7 @@ steps:
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
         env:
-          BWC_VERSION: 8.18.7
+          BWC_VERSION: 8.18.8
 
       - label: "{{matrix.image}} / 8.19.4 / packaging-tests-upgrade"
         command: ./.ci/scripts/packaging-test.sh -Dbwc.checkout.align=true destructiveDistroUpgradeTest.v8.19.4

.buildkite/pipelines/periodic.yml

@@ -344,8 +344,8 @@ steps:
             - signal_reason: agent_stop
               limit: 3
 
-      - label: 8.18.7 / bwc
-        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.18.7#bwcTest
+      - label: 8.18.8 / bwc
+        command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v8.18.8#bwcTest
         timeout_in_minutes: 300
         agents:
           provider: gcp
@@ -354,7 +354,7 @@ steps:
           buildDirectory: /dev/shm/bk
           preemptible: true
         env:
-          BWC_VERSION: 8.18.7
+          BWC_VERSION: 8.18.8
         retry:
           automatic:
             - exit_status: "-1"
@@ -487,7 +487,7 @@ steps:
           setup:
             ES_RUNTIME_JAVA:
               - openjdk21
-            BWC_VERSION: ["8.18.7", "8.19.4", "9.0.7", "9.1.4"]
+            BWC_VERSION: ["8.18.8", "8.19.4", "9.1.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2404
@@ -531,7 +531,7 @@ steps:
             ES_RUNTIME_JAVA:
               - openjdk21
               - openjdk23
-            BWC_VERSION: ["8.18.7", "8.19.4", "9.0.7", "9.1.4"]
+            BWC_VERSION: ["8.18.8", "8.19.4", "9.1.4"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2404

.ci/bwcVersions

@@ -17,7 +17,7 @@ BWC_VERSION:
   - "8.15.5"
   - "8.16.6"
   - "8.17.10"
-  - "8.18.7"
+  - "8.18.8"
   - "8.19.4"
   - "9.0.7"
   - "9.1.4"

.ci/snapshotBwcVersions

@@ -1,5 +1,4 @@
 BWC_VERSION:
-  - "8.18.7"
+  - "8.18.8"
   - "8.19.4"
-  - "9.0.7"
   - "9.1.4"

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

@@ -137,6 +137,7 @@ public class TransportVersions {
     public static final TransportVersion REMOVE_ALL_APPLICABLE_SELECTOR_BACKPORT_8_18 = def(8_840_0_01);
     public static final TransportVersion RETRY_ILM_ASYNC_ACTION_REQUIRE_ERROR_8_18 = def(8_840_0_02);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_7 = def(8_840_0_09);
+    public static final TransportVersion INITIAL_ELASTICSEARCH_8_18_8 = def(8_840_0_10);
     public static final TransportVersion INITIAL_ELASTICSEARCH_8_19 = def(8_841_0_00);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED_BACKPORT_8_X = def(8_841_0_01);
     public static final TransportVersion REMOVE_ALL_APPLICABLE_SELECTOR_BACKPORT_8_19 = def(8_841_0_02);

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

@@ -214,6 +214,7 @@ public class Version implements VersionId<Version>, ToXContentFragment {
     public static final Version V_8_18_5 = new Version(8_18_05_99);
     public static final Version V_8_18_6 = new Version(8_18_06_99);
     public static final Version V_8_18_7 = new Version(8_18_07_99);
+    public static final Version V_8_18_8 = new Version(8_18_08_99);
     public static final Version V_8_19_0 = new Version(8_19_00_99);
     public static final Version V_8_19_1 = new Version(8_19_01_99);
     public static final Version V_8_19_2 = new Version(8_19_02_99);

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

@@ -158,6 +158,7 @@
 8.18.4,8840006
 8.18.5,8840007
 8.18.6,8840008
+8.18.7,8840009
 8.19.0,8841064
 8.19.1,8841065
 8.19.2,8841066

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

@@ -158,6 +158,7 @@
 8.18.4,8525000
 8.18.5,8525000
 8.18.6,8525000
+8.18.7,8525000
 8.19.0,8536000
 8.19.1,8536000
 8.19.2,8536000