Update SNAPSHOT to 5.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/CONTRIBUTING.md

@@ -17,7 +17,7 @@ given the ability to merge pull requests.
 
 ## Code of Conduct
 This project adheres to the Contributor Covenant [code of
-conduct](https://github.com/spring-cloud/spring-cloud-build/blob/master/docs/src/main/asciidoc/code-of-conduct.adoc). By participating, you  are expected to uphold this code. Please report
+conduct](https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/modules/ROOT/partials/code-of-conduct.adoc). By participating, you  are expected to uphold this code. Please report
 unacceptable behavior to spring-code-of-conduct@pivotal.io.
 
 ## Code Conventions and Housekeeping

.github/dco.yml

@@ -0,0 +1,2 @@
+require:
+  members: false

.github/dependabot.yml

@@ -4,18 +4,33 @@
 # https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
 
 version: 2
+
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     target-branch: "main"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "4.3.x"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "4.2.x"
+    schedule:
+      interval: "weekly"
   - package-ecosystem: maven
     directory: /
     schedule:
       interval: daily
     target-branch: main
     ignore:
+      # IDE specific dependency
+      - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
+      # JRuby updates are causing docs generation to fail
+      - dependency-name: "org.jruby:jruby-complete"  
       # only upgrade by minor or patch
       - dependency-name: "*"
         update-types:
@@ -24,8 +39,27 @@ updates:
     directory: /
     schedule:
       interval: daily
-    target-branch: 4.1.x
+    target-branch: 4.3.x
     ignore:
+      # IDE specific dependency
+      - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
+      # JRuby updates are causing docs generation to fail
+      - dependency-name: "org.jruby:jruby-complete"  
+      # only upgrade by minor or patch
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+  - package-ecosystem: maven
+    directory: /
+    schedule:
+      interval: daily
+    target-branch: 4.2.x
+    ignore:
+      # IDE specific dependency
+      - dependency-name: "org.eclipse.m2e:lifecycle-mapping"
+      # JRuby updates are causing docs generation to fail
+      - dependency-name: "org.jruby:jruby-complete"
       # only upgrade by minor or patch
       - dependency-name: "*"
         update-types:
@@ -42,7 +76,12 @@ updates:
     schedule:
       interval: weekly
   - package-ecosystem: npm
-    target-branch: 4.1.x
+    target-branch: 4.3.x
+    directory: /docs
+    schedule:
+      interval: weekly
+  - package-ecosystem: npm
+    target-branch: 4.2.x
     directory: /docs
     schedule:
       interval: weekly

.github/workflows/deploy-docs.yml

@@ -17,7 +17,7 @@ jobs:
     # if: github.repository_owner == 'spring-projects'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: docs-build
           fetch-depth: 1

.github/workflows/maven.yml

@@ -5,9 +5,9 @@ name: Build
 
 on:
   push:
-    branches: [ main, 4.1.x, 3.1.x ]
+    branches: [ main, 4.3.x, 4.2.x]
   pull_request:
-    branches: [ main, 4.1.x, 3.1.x ]
+    branches: [ main, 4.3.x, 4.2.x]
 
 jobs:
   build:
@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up JDK
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           java-version: 17
           distribution: 'temurin'
@@ -29,4 +29,4 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Build with Maven
-        run: ./mvnw clean install -B -U -Pspring
+        run: ./mvnw clean install -Pdocs -B -U -Pspring

.mvn/jvm.config

@@ -1 +1,11 @@
--Xmx1024m -XX:CICompilerCount=1 -XX:TieredStopAtLevel=1 -Djava.security.egd=file:/dev/./urandom
+-Xmx1024m -XX:CICompilerCount=1 -XX:TieredStopAtLevel=1 -Djava.security.egd=file:/dev/./urandom
+--add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED
+--add-opens jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED
+--add-opens jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED

README.adoc

@@ -45,21 +45,17 @@ tracker for issues and merging pull requests into main. If you want
 to contribute even something trivial please do not hesitate, but
 follow the guidelines below.
 
-[[sign-the-contributor-license-agreement]]
-== Sign the Contributor License Agreement
+[[developer-certificate-of-origin]]
+== Developer Certificate of Origin (DCO)
 
-Before we accept a non-trivial patch or pull request we will need you to sign the
-https://cla.pivotal.io/sign/spring[Contributor License Agreement].
-Signing the contributor's agreement does not grant anyone commit rights to the main
-repository, but it does mean that we can accept your contributions, and you will get an
-author credit if we do.  Active contributors might be asked to join the core team, and
-given the ability to merge pull requests.
+All commits must include a __Signed-off-by__ trailer at the end of each commit message to indicate that the contributor agrees to the Developer Certificate of Origin.
+For additional details, please refer to the blog post https://spring.io/blog/2025/01/06/hello-dco-goodbye-cla-simplifying-contributions-to-spring[Hello DCO, Goodbye CLA: Simplifying Contributions to Spring].
 
 [[code-of-conduct]]
 == Code of Conduct
-This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/src/main/asciidoc/code-of-conduct.adoc[code of
+This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/modules/ROOT/partials/code-of-conduct.adoc[code of
 conduct]. By participating, you  are expected to uphold this code. Please report
-unacceptable behavior to spring-code-of-conduct@pivotal.io.
+unacceptable behavior to code-of-conduct@spring.io.
 
 [[code-conventions-and-housekeeping]]
 == Code Conventions and Housekeeping
@@ -152,7 +148,7 @@ Checkstyle rules are *disabled by default*. To add checkstyle to your project ju
 
 If you need to suppress some rules (e.g. line length needs to be longer), then it's enough for you to define a file under `${project.root}/src/checkstyle/checkstyle-suppressions.xml` with your suppressions. Example:
 
-.projectRoot/src/checkstyle/checkstyle-suppresions.xml
+.projectRoot/src/checkstyle/checkstyle-suppressions.xml
 ----
 <?xml version="1.0"?>
 <!DOCTYPE suppressions PUBLIC
@@ -166,10 +162,11 @@ If you need to suppress some rules (e.g. line length needs to be longer), then i
 
 It's advisable to copy the `${spring-cloud-build.rootFolder}/.editorconfig` and `${spring-cloud-build.rootFolder}/.springformat` to your project. That way, some default formatting rules will be applied. You can do so by running this script:
 
-```bash
+[source,bash]
+----
 $ curl https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/main/.editorconfig -o .editorconfig
 $ touch .springformat
-```
+----
 
 [[ide-setup]]
 == IDE setup
@@ -233,7 +230,7 @@ Spring Cloud Build brings along the  `basepom:duplicate-finder-maven-plugin`, th
 [[duplicate-finder-configuration]]
 === Duplicate Finder configuration
 
-Duplicate finder is *enabled by default* and will run in the `verify` phase of your Maven build, but it will only take effect in your project if you add the `duplicate-finder-maven-plugin` to the `build` section of the projecst's `pom.xml`.
+Duplicate finder is *enabled by default* and will run in the `verify` phase of your Maven build, but it will only take effect in your project if you add the `duplicate-finder-maven-plugin` to the `build` section of the project's `pom.xml`.
 
 .pom.xml
 [source,xml]

docs/modules/ROOT/partials/building.adoc

@@ -26,7 +26,7 @@ build succeed, please raise a ticket to get the settings added to
 source control.
 
 The projects that require middleware (i.e. Redis) for testing generally
-require that a local instance of [Docker](https://www.docker.com/get-started) is installed and running.
+require that a local instance of https://www.docker.com/get-started[Docker] is installed and running.
 
 [[documentation]]
 == Documentation
@@ -45,7 +45,7 @@ a modified file in the correct place. Just commit it and push the change.
 [[working-with-the-code]]
 == Working with the code
 If you don't have an IDE preference we would recommend that you use
-https://www.springsource.com/developer/sts[Spring Tools Suite] or
+https://spring.io/tools[Spring Tools Suite] or
 https://eclipse.org[Eclipse] when working with the code. We use the
 https://eclipse.org/m2e/[m2eclipse] eclipse plugin for maven support. Other IDEs and tools
 should also work without issue as long as they use Maven 3.3.3 or better.

docs/modules/ROOT/partials/contributing.adoc

@@ -6,21 +6,17 @@ tracker for issues and merging pull requests into main. If you want
 to contribute even something trivial please do not hesitate, but
 follow the guidelines below.
 
-[[sign-the-contributor-license-agreement]]
-== Sign the Contributor License Agreement
+[[developer-certificate-of-origin]]
+== Developer Certificate of Origin (DCO)
 
-Before we accept a non-trivial patch or pull request we will need you to sign the
-https://cla.pivotal.io/sign/spring[Contributor License Agreement].
-Signing the contributor's agreement does not grant anyone commit rights to the main
-repository, but it does mean that we can accept your contributions, and you will get an
-author credit if we do.  Active contributors might be asked to join the core team, and
-given the ability to merge pull requests.
+All commits must include a __Signed-off-by__ trailer at the end of each commit message to indicate that the contributor agrees to the Developer Certificate of Origin.
+For additional details, please refer to the blog post https://spring.io/blog/2025/01/06/hello-dco-goodbye-cla-simplifying-contributions-to-spring[Hello DCO, Goodbye CLA: Simplifying Contributions to Spring].
 
 [[code-of-conduct]]
 == Code of Conduct
-This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/src/main/asciidoc/code-of-conduct.adoc[code of
+This project adheres to the Contributor Covenant https://github.com/spring-cloud/spring-cloud-build/blob/main/docs/modules/ROOT/partials/code-of-conduct.adoc[code of
 conduct]. By participating, you  are expected to uphold this code. Please report
-unacceptable behavior to spring-code-of-conduct@pivotal.io.
+unacceptable behavior to code-of-conduct@spring.io.
 
 [[code-conventions-and-housekeeping]]
 == Code Conventions and Housekeeping
@@ -113,7 +109,7 @@ Checkstyle rules are *disabled by default*. To add checkstyle to your project ju
 
 If you need to suppress some rules (e.g. line length needs to be longer), then it's enough for you to define a file under `${project.root}/src/checkstyle/checkstyle-suppressions.xml` with your suppressions. Example:
 
-.projectRoot/src/checkstyle/checkstyle-suppresions.xml
+.projectRoot/src/checkstyle/checkstyle-suppressions.xml
 ----
 <?xml version="1.0"?>
 <!DOCTYPE suppressions PUBLIC
@@ -127,10 +123,11 @@ If you need to suppress some rules (e.g. line length needs to be longer), then i
 
 It's advisable to copy the `${spring-cloud-build.rootFolder}/.editorconfig` and `${spring-cloud-build.rootFolder}/.springformat` to your project. That way, some default formatting rules will be applied. You can do so by running this script:
 
-```bash
+[source,bash]
+----
 $ curl https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/main/.editorconfig -o .editorconfig
 $ touch .springformat
-```
+----
 
 [[ide-setup]]
 == IDE setup
@@ -194,7 +191,7 @@ Spring Cloud Build brings along the  `basepom:duplicate-finder-maven-plugin`, th
 [[duplicate-finder-configuration]]
 === Duplicate Finder configuration
 
-Duplicate finder is *enabled by default* and will run in the `verify` phase of your Maven build, but it will only take effect in your project if you add the `duplicate-finder-maven-plugin` to the `build` section of the projecst's `pom.xml`.
+Duplicate finder is *enabled by default* and will run in the `verify` phase of your Maven build, but it will only take effect in your project if you add the `duplicate-finder-maven-plugin` to the `build` section of the project's `pom.xml`.
 
 .pom.xml
 [source,xml]

docs/package.json

@@ -1,10 +1,10 @@
 {
   "dependencies": {
-    "antora": "3.2.0-alpha.6",
-    "@antora/atlas-extension": "1.0.0-alpha.2",
-    "@antora/collector-extension": "1.0.0-beta.4",
+    "antora": "3.2.0-alpha.10",
+    "@antora/atlas-extension": "1.0.0-alpha.5",
+    "@antora/collector-extension": "1.0.2",
     "@asciidoctor/tabs": "1.0.0-beta.6",
-    "@springio/antora-extensions": "1.14.2",
-    "@springio/asciidoctor-extensions": "1.0.0-alpha.14"
+    "@springio/antora-extensions": "1.14.7",
+    "@springio/asciidoctor-extensions": "1.0.0-alpha.17"
   }
 }

docs/pom.xml

@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-build</artifactId>
-		<version>4.2.0-RC1</version>
+		<version>5.0.0</version>
 	</parent>
 	<properties>
 		<docs.main>spring-cloud-build</docs.main>
@@ -29,17 +29,23 @@
 	</properties>
 	<dependencies>
 		<!-- Script -->
-		<dependency>
-			<groupId>commons-logging</groupId>
-			<artifactId>commons-logging</artifactId>
-			<version>1.3.4</version>
-			<scope>compile</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
 			<scope>compile</scope>
 		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-to-slf4j</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>jul-to-slf4j</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>

pom.xml

@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.cloud</groupId>
 	<artifactId>spring-cloud-build</artifactId>
-	<version>4.2.0-RC1</version>
+	<version>5.0.0</version>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Parent</name>
 	<description>Spring Cloud parent pom, managing plugins and dependencies for Spring
@@ -28,8 +28,9 @@
 		<maven.compiler.target>${java.version}</maven.compiler.target>
 		<main.basedir>${basedir}</main.basedir>
 		<docs.main>${project.artifactId}</docs.main>
-		<spring-boot.version>3.4.0-RC1</spring-boot.version>
-		<spring-cloud-build.version>4.2.0-RC1</spring-cloud-build.version>
+		<spring-boot.version>4.0.0</spring-boot.version>
+		<spring-cloud-build.version>5.0.0</spring-cloud-build.version>
+		<kotlin.version>2.2.21</kotlin.version>
 		<docs.resources.dir>${project.build.directory}/build-docs</docs.resources.dir>
 		<docs.classes.dir>${project.build.directory}/build-docs-classes</docs.classes.dir>
 		<refdocs.build.directory>${project.build.directory}/refdocs/</refdocs.build.directory>
@@ -41,6 +42,8 @@
 		<revision>${project.version}</revision>
 		<asciidoctorj.version>2.5.13</asciidoctorj.version>
 		<jruby-complete.version>9.4.9.0</jruby-complete.version>
+		<error-prone.version>2.44.0</error-prone.version>
+		<nullaway.version>0.12.12</nullaway.version>
 
 		<!-- Sonar -->
 		<sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
@@ -50,32 +53,32 @@
 		<sonar.language>java</sonar.language>
 
 		<!-- Plugins -->
-		<maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
+		<maven-compiler-plugin.version>3.14.1</maven-compiler-plugin.version>
 		<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
 		<!-- for backwards compatibility, use maven-checkstyle-plugin.version -->
 		<checkstyle.version>${maven-checkstyle-plugin.version}</checkstyle.version>
-		<puppycrawl-tools-checkstyle.version>9.3</puppycrawl-tools-checkstyle.version>
-		<spring-javaformat.version>0.0.43</spring-javaformat.version>
-		<maven-failsafe-plugin.version>3.5.2</maven-failsafe-plugin.version>
-		<maven-javadoc-plugin.version>3.10.1</maven-javadoc-plugin.version>
+		<puppycrawl-tools-checkstyle.version>12.1.2</puppycrawl-tools-checkstyle.version>
+		<spring-javaformat.version>0.0.47</spring-javaformat.version>
+		<maven-failsafe-plugin.version>3.5.4</maven-failsafe-plugin.version>
+		<maven-javadoc-plugin.version>3.12.0</maven-javadoc-plugin.version>
 		<maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-		<maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
-		<maven-antrun-plugin.version>3.1.0</maven-antrun-plugin.version>
-		<maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
+		<maven-jar-plugin.version>3.5.0</maven-jar-plugin.version>
+		<maven-antrun-plugin.version>3.2.0</maven-antrun-plugin.version>
+		<maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
 		<maven-surefire-report-plugin.version>2.22.2</maven-surefire-report-plugin.version>
-		<maven-war-plugin.version>3.4.0</maven-war-plugin.version>
-		<exec-maven-plugin.version>3.5.0</exec-maven-plugin.version>
+		<maven-war-plugin.version>3.5.0</maven-war-plugin.version>
+		<exec-maven-plugin.version>3.6.2</exec-maven-plugin.version>
 		<maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
 		<git-commit-id-plugin.version>4.9.10</git-commit-id-plugin.version>
-		<maven-shade-plugin.version>3.6.0</maven-shade-plugin.version>
-		<maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version><!-- @releaser:version-check-off -->
-		<maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
-		<maven-dependency-plugin.version>3.8.1</maven-dependency-plugin.version>
+		<maven-shade-plugin.version>3.6.1</maven-shade-plugin.version>
+		<maven-enforcer-plugin.version>3.6.2</maven-enforcer-plugin.version><!-- @releaser:version-check-off -->
+		<maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
+		<maven-dependency-plugin.version>3.9.0</maven-dependency-plugin.version>
 		<asciidoctor-maven-plugin.version>2.1.0</asciidoctor-maven-plugin.version>
 		<build-helper-maven-plugin.version>3.2.0</build-helper-maven-plugin.version>
 		<artifactory-maven-plugin.version>3.2.3</artifactory-maven-plugin.version>
-		<license-maven-plugin.version>2.4.0</license-maven-plugin.version>
-		<spring-javaformat-checkstyle.version>0.0.43</spring-javaformat-checkstyle.version>
+		<license-maven-plugin.version>2.7.0</license-maven-plugin.version>
+		<spring-javaformat-checkstyle.version>0.0.47</spring-javaformat-checkstyle.version>
 		<maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
 		<pitest-junit5-plugin.version>0.16</pitest-junit5-plugin.version>
 		<disable.checks>false</disable.checks>
@@ -99,7 +102,7 @@
 		<nohttp-checkstyle.version>0.0.11</nohttp-checkstyle.version>
 		<disable.nohttp.checks>true</disable.nohttp.checks>
 		<antelopetasks.version>3.2.10</antelopetasks.version>
-		<ant-nodeps.version>1.8.1</ant-nodeps.version>
+		<ant.version>1.10.15</ant.version>
 		<configprops.path>${project.basedir}/modules/ROOT/partials/_configprops.adoc</configprops.path>
 		<configprops.inclusionPattern>.*</configprops.inclusionPattern>
 		<maven-dependency-plugin-for-docs.phase>generate-resources</maven-dependency-plugin-for-docs.phase>
@@ -111,11 +114,11 @@
 		<javadoc.failOnError>false</javadoc.failOnError>
 		<javadoc.failOnWarnings>false</javadoc.failOnWarnings>
 		<maven-deploy-plugin-default.phase>deploy</maven-deploy-plugin-default.phase>
-		<maven-deploy-plugin.version>3.1.3</maven-deploy-plugin.version>
+		<maven-deploy-plugin.version>3.1.4</maven-deploy-plugin.version>
 		<readme.main.classpath>${docs.classes.dir}</readme.main.classpath>
 		<readme.class.path>readme.class.path</readme.class.path>
 		<sonar-jacoco-listeners.version>5.14.0.18788</sonar-jacoco-listeners.version>
-		<duplicate-finder-maven-plugin.version>1.5.1</duplicate-finder-maven-plugin.version>
+		<duplicate-finder-maven-plugin.version>2.0.1</duplicate-finder-maven-plugin.version>
 		<duplicate-finder-maven-plugin.printEqualFiles>false</duplicate-finder-maven-plugin.printEqualFiles>
 		<duplicate-finder-maven-plugin.failBuildInCaseOfDifferentContentConflict>false</duplicate-finder-maven-plugin.failBuildInCaseOfDifferentContentConflict>
 		<duplicate-finder-maven-plugin.failBuildInCaseOfEqualContentConflict>false</duplicate-finder-maven-plugin.failBuildInCaseOfEqualContentConflict>
@@ -138,11 +141,12 @@
 		<copy-missing-html-files.phase>package</copy-missing-html-files.phase>
 		<package-and-attach-docs-zip.phase>package</package-and-attach-docs-zip.phase>
 		<antora-maven-plugin.version>0.0.4</antora-maven-plugin.version>
-		<org-antora-maven-plugin.version>1.0.0-alpha.4</org-antora-maven-plugin.version>
+		<org-antora-maven-plugin.version>1.0.0-alpha.5</org-antora-maven-plugin.version>
 		<node.version>v16.20.2</node.version>
 		<antora-maven-plugin.phase>prepare-package</antora-maven-plugin.phase>
 		<generate-readme.phase>prepare-package</generate-readme.phase>
 		<generate-cloud-resources.phase>generate-resources</generate-cloud-resources.phase>
+		<central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>
@@ -296,10 +300,50 @@
 		</plugins>
 		<pluginManagement>
 			<plugins>
+				<plugin>
+					<!-- Based on instructions here - https://kotlinlang.org/docs/reference/using-maven.html -->
+					<groupId>org.jetbrains.kotlin</groupId>
+					<artifactId>kotlin-maven-plugin</artifactId>
+					<version>${kotlin.version}</version>
+					<configuration>
+						<!--https://github.com/spring-projects/spring-framework/blob/main/buildSrc/src/main/java/org/springframework/build/KotlinConventions.java#L47-L58 -->
+						<apiVersion>2.2</apiVersion>
+						<languageVersion>2.2</languageVersion>
+						<jvmTarget>17</jvmTarget>
+						<javaParameters>true</javaParameters>
+						<args>-Xjsr305=strict -opt-in=kotlin.RequiresOptIn -Xjdk-release=17 -Xannotation-default-target=param-property</args>
+					</configuration>
+					<executions>
+						<execution>
+							<id>compile</id>
+							<goals>
+								<goal>compile</goal>
+							</goals>
+							<configuration>
+								<sourceDirs>
+									<sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
+									<sourceDir>${project.basedir}/src/main/java</sourceDir>
+								</sourceDirs>
+							</configuration>
+						</execution>
+						<execution>
+							<id>test-compile</id>
+							<goals>
+								<goal>test-compile</goal>
+							</goals>
+							<configuration>
+								<sourceDirs>
+									<sourceDir>${project.basedir}/src/test/kotlin</sourceDir>
+									<sourceDir>${project.basedir}/src/test/java</sourceDir>
+								</sourceDirs>
+							</configuration>
+						</execution>
+					</executions>
+				</plugin>
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
 					<artifactId>flatten-maven-plugin</artifactId>
-					<version>1.6.0</version>
+					<version>1.7.2</version>
 					<inherited>true</inherited>
 					<executions>
 						<execution>
@@ -335,6 +379,16 @@
 						<source>${maven.compiler.source}</source>
 						<target>${maven.compiler.target}</target>
 						<compilerArgument>-parameters</compilerArgument>
+						<annotationProcessorPaths>
+							<path>
+								<groupId>org.springframework.boot</groupId>
+								<artifactId>spring-boot-configuration-processor</artifactId>
+							</path>
+							<path>
+								<groupId>org.springframework.boot</groupId>
+								<artifactId>spring-boot-autoconfigure-processor</artifactId>
+							</path>
+						</annotationProcessorPaths>
 					</configuration>
 				</plugin>
 				<plugin>
@@ -699,7 +753,12 @@
 					<includePomProjects>${duplicate-finder-maven-plugin.includePomProjects}</includePomProjects>
 					</configuration>
 				</plugin>
-
+				<plugin>
+					<groupId>org.sonatype.central</groupId>
+					<artifactId>central-publishing-maven-plugin</artifactId>
+					<version>${central-publishing-maven-plugin.version}</version>
+					<extensions>true</extensions>
+				</plugin>
 			</plugins>
 		</pluginManagement>
 	</build>
@@ -748,11 +807,6 @@
 				scp://static.springframework.org/var/www/domains/springframework.org/static/htdocs/spring-cloud/docs/${project.artifactId}/${project.version}
 			</url>
 		</site>
-		<repository>
-			<id>sonatype-nexus-staging</id>
-			<name>Nexus Release Repository</name>
-			<url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-		</repository>
 		<snapshotRepository>
 			<id>repo.spring.io</id>
 			<name>Spring Snapshot Repository</name>
@@ -821,16 +875,6 @@
 				</pluginRepository>
 			</pluginRepositories>
 		</profile>
-		<profile>
-			<id>milestone</id>
-			<distributionManagement>
-				<repository>
-					<id>repo.spring.io</id>
-					<name>Spring Milestone Repository</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-				</repository>
-			</distributionManagement>
-		</profile>
 		<profile>
 			<id>central</id>
 			<build>
@@ -848,6 +892,20 @@
 								</goals>
 							</execution>
 						</executions>
+						<configuration>
+							<gpgArguments>
+								<arg>--pinentry-mode</arg>
+								<arg>loopback</arg>
+							</gpgArguments>
+						</configuration>
+					</plugin>
+					<plugin>
+						<groupId>org.sonatype.central</groupId>
+						<artifactId>central-publishing-maven-plugin</artifactId>
+						<configuration>
+							<publishingServerId>central</publishingServerId>
+							<deploymentName>${project.artifactId}-${project.version}</deploymentName>
+						</configuration>
 					</plugin>
 				</plugins>
 			</build>
@@ -912,36 +970,84 @@
 			</build>
 		</profile>
 		<profile>
-			<id>java8</id>
+			<id>java17</id>
 			<activation>
-				<jdk>[1.8,)</jdk>
+				<jdk>[17,)</jdk>
 			</activation>
 			<build>
 				<plugins>
 					<plugin>
 						<artifactId>maven-javadoc-plugin</artifactId>
 						<configuration>
-							<additionalparam>-Xdoclint:none</additionalparam>
+							<doclint>none</doclint>
 						</configuration>
 					</plugin>
 				</plugins>
 			</build>
 		</profile>
 		<profile>
-			<id>java11</id>
+			<id>jspecify</id>
 			<activation>
-				<jdk>[1.11,)</jdk>
+				<jdk>[25,)</jdk>
+				<property>
+					<name>jspecify.enabled</name>
+					<value>true</value>
+				</property>
 			</activation>
 			<build>
-				<plugins>
-					<plugin>
-						<artifactId>maven-javadoc-plugin</artifactId>
-						<configuration>
-							<!-- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8212233 -->
-							<source>8</source>
-						</configuration>
-					</plugin>
-				</plugins>
+				<pluginManagement>
+					<plugins>
+						<plugin>
+							<groupId>org.apache.maven.plugins</groupId>
+							<artifactId>maven-compiler-plugin</artifactId>
+							<version>${maven-compiler-plugin.version}</version>
+							<configuration>
+								<source>${maven.compiler.source}</source>
+								<target>${maven.compiler.target}</target>
+								<release>${java.version}</release>
+								<compilerArgs>
+									<compilerArg>-parameters</compilerArg>
+									<!-- https://errorprone.info/docs/installation#maven -->
+									<compilerArg>-XDcompilePolicy=simple</compilerArg>
+									<compilerArg>--should-stop=ifError=FLOW</compilerArg>
+									<compilerArg>
+										-Xplugin:ErrorProne
+										<!-- JSpecify mode https://github.com/uber/NullAway/wiki/JSpecify-Support -->
+										-XepOpt:NullAway:JSpecifyMode=true
+										<!-- Check JSpecify annotations -->
+										-Xep:NullAway:ERROR
+										-XepOpt:NullAway:OnlyNullMarked
+										<!-- FIXME Remove once https://github.com/uber/NullAway/pull/1295 is released -->
+										-XepOpt:NullAway:CustomContractAnnotations=org.springframework.lang.Contract
+										-XepOpt:NullAway:SuppressionNameAliases=DataFlowIssue
+										<!-- https://github.com/uber/NullAway/issues/162 -->
+										-XepExcludedPaths:.*/src/test/java/.*
+									</compilerArg>
+								</compilerArgs>
+								<annotationProcessorPaths>
+									<path>
+										<groupId>com.google.errorprone</groupId>
+										<artifactId>error_prone_core</artifactId>
+										<version>${error-prone.version}</version>
+									</path>
+									<path>
+										<groupId>com.uber.nullaway</groupId>
+										<artifactId>nullaway</artifactId>
+										<version>${nullaway.version}</version>
+									</path>
+									<path>
+										<groupId>org.springframework.boot</groupId>
+										<artifactId>spring-boot-configuration-processor</artifactId>
+									</path>
+									<path>
+										<groupId>org.springframework.boot</groupId>
+										<artifactId>spring-boot-autoconfigure-processor</artifactId>
+									</path>
+								</annotationProcessorPaths>
+							</configuration>
+						</plugin>
+					</plugins>
+				</pluginManagement>
 			</build>
 		</profile>
 		<profile>
@@ -1143,8 +1249,8 @@
 								</dependency>
 								<dependency>
 									<groupId>org.apache.ant</groupId>
-									<artifactId>ant-nodeps</artifactId>
-									<version>${ant-nodeps.version}</version>
+									<artifactId>ant</artifactId>
+									<version>${ant.version}</version>
 								</dependency>
 								<dependency>
 									<groupId>org.tigris.antelope</groupId>
@@ -1296,7 +1402,7 @@
 					<plugin>
 						<groupId>org.jacoco</groupId>
 						<artifactId>jacoco-maven-plugin</artifactId>
-						<version>0.8.12</version>
+						<version>0.8.14</version>
 						<configuration>
 							<destFile>${sonar.jacoco.reportPath}</destFile>
 							<append>true</append>
@@ -1363,6 +1469,43 @@
 				<checkstyle.skip>true</checkstyle.skip>
 			</properties>
 		</profile>
+		<profile>
+			<id>mutation</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.pitest</groupId>
+						<artifactId>pitest-maven</artifactId>
+						<version>${pitest-maven.version}</version>
+						<configuration>
+							<!-- generate line coverage -->
+							<exportLineCoverage>true</exportLineCoverage>
+							<!-- in the "right" format -->
+							<outputFormats><value>XML</value></outputFormats>
+							<!-- and write reports where report-aggregate-module expects to find it -->
+							<timestampedReports>false</timestampedReports>
+							<!-- There are modules that don't have tests -->
+							<failWhenNoMutations>false</failWhenNoMutations>
+						</configuration>
+						<executions>
+							<execution>
+								<id>mutationCoverage</id>
+								<goals>
+									<goal>mutationCoverage</goal>
+								</goals>
+							</execution>
+						</executions>
+						<dependencies>
+							<dependency>
+								<groupId>org.pitest</groupId>
+								<artifactId>pitest-junit5-plugin</artifactId>
+								<version>${pitest-junit5-plugin.version}</version>
+							</dependency>
+						</dependencies>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
 		<profile>
 			<id>CI</id>
 			<activation>

spring-cloud-build-dependencies/pom.xml

@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.cloud</groupId>
 	<artifactId>spring-cloud-build-dependencies</artifactId>
-	<version>4.2.0-RC1</version>
+	<version>5.0.0</version>
 	<name>spring-cloud-build-dependencies</name>
 	<packaging>pom</packaging>
 	<description>Spring Cloud Build Dependencies: an internal BOM for use with Spring
@@ -14,14 +14,15 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-dependencies</artifactId>
-		<version>3.4.0-RC1</version>
+		<version>4.0.0</version>
 		<relativePath/>
 	</parent>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<spring-boot.version>3.4.0-RC1</spring-boot.version>
+		<spring-boot.version>4.0.0</spring-boot.version>
 		<okhttp.version>4.12.0</okhttp.version>
-		<maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
+		<maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
+		<central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>
@@ -91,16 +92,6 @@
 		</snapshotRepository>
 	</distributionManagement>
 	<profiles>
-		<profile>
-			<id>milestone</id>
-			<distributionManagement>
-				<repository>
-					<id>repo.spring.io</id>
-					<name>Spring Milestone Repository</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-				</repository>
-			</distributionManagement>
-		</profile>
 		<profile>
 			<id>central</id>
 			<distributionManagement>
@@ -109,12 +100,6 @@
 					<name>Sonatype Nexus Snapshots</name>
 					<url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
 				</snapshotRepository>
-				<repository>
-					<id>sonatype-nexus-staging</id>
-					<name>Nexus Release Repository</name>
-					<url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/
-					</url>
-				</repository>
 			</distributionManagement>
 			<build>
 				<plugins>
@@ -131,6 +116,18 @@
 								</goals>
 							</execution>
 						</executions>
+						<configuration>
+							<gpgArguments>
+								<arg>--pinentry-mode</arg>
+								<arg>loopback</arg>
+							</gpgArguments>
+						</configuration>
+					</plugin>
+					<plugin>
+						<groupId>org.sonatype.central</groupId>
+						<artifactId>central-publishing-maven-plugin</artifactId>
+						<version>${central-publishing-maven-plugin.version}</version>
+						<extensions>true</extensions>
 					</plugin>
 				</plugins>
 			</build>

spring-cloud-build-tools/pom.xml

@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-build</artifactId>
-		<version>4.2.0-RC1</version>
+		<version>5.0.0</version>
 	</parent>
 	<dependencies>
 		<dependency>

spring-cloud-build-tools/src/main/resources/checkstyle-header.txt

@@ -1,5 +1,5 @@
 ^\Q/*\E$
-^\Q * Copyright \E20\d\d\-20\d\d\Q the original author or authors.\E$
+^\Q * Copyright \E20\d\d\-present\Q the original author or authors.\E$
 ^\Q *\E$
 ^\Q * Licensed under the Apache License, Version 2.0 (the "License");\E$
 ^\Q * you may not use this file except in compliance with the License.\E$

spring-cloud-build-tools/src/main/resources/checkstyle.xml

@@ -49,7 +49,7 @@
 		<module name="com.puppycrawl.tools.checkstyle.checks.annotation.PackageAnnotationCheck"/>
 		<module name="com.puppycrawl.tools.checkstyle.checks.annotation.AnnotationLocationCheck">
 			<property name="allowSamelineSingleParameterlessAnnotation"
-					  value="false"/>
+					  value="true"/>
 		</module>
 
 		<!-- Block Checks -->
@@ -121,7 +121,7 @@
 			<property name="authorFormat" value=".+\s.+"/>
 		</module>
 		<module name="com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocVariableCheck">
-			<property name="scope" value="public"/>
+			<property name="accessModifiers" value="public"/>
 		</module>
 		<module name="com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocStyleCheck"/>
 		<module name="com.puppycrawl.tools.checkstyle.checks.javadoc.NonEmptyAtclauseDescriptionCheck"/>
@@ -167,7 +167,7 @@
 		<module name="com.puppycrawl.tools.checkstyle.checks.regexp.RegexpSinglelineJavaCheck">
 			<property name="maximum" value="0"/>
 			<property name="format"
-					  value="org\.junit\.(Assert|jupiter\.api\.Assertions)\.assert"/>
+					  value="org\.junit\.(Assert|jupiter\.api\.Assertions)"/>
 			<property name="message"
 					  value="Please use AssertJ imports."/>
 			<property name="ignoreComments" value="true"/>

spring-cloud-dependencies-parent/pom.xml

@@ -4,7 +4,7 @@
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.cloud</groupId>
-	<version>4.2.0-RC1</version>
+	<version>5.0.0</version>
 	<artifactId>spring-cloud-dependencies-parent</artifactId>
 	<packaging>pom</packaging>
 	<name>spring-cloud-dependencies-parent</name>
@@ -70,6 +70,7 @@
 	</developers>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<central-publishing-maven-plugin.version>0.9.0</central-publishing-maven-plugin.version>
 	</properties>
 	<distributionManagement>
 		<downloadUrl>https://github.com/spring-cloud</downloadUrl>
@@ -91,16 +92,6 @@
 		</snapshotRepository>
 	</distributionManagement>
 	<profiles>
-		<profile>
-			<id>milestone</id>
-			<distributionManagement>
-				<repository>
-					<id>repo.spring.io</id>
-					<name>Spring Milestone Repository</name>
-					<url>https://repo.spring.io/libs-milestone-local</url>
-				</repository>
-			</distributionManagement>
-		</profile>
 		<profile>
 			<id>central</id>
 			<distributionManagement>
@@ -109,12 +100,6 @@
 					<name>Sonatype Nexus Snapshots</name>
 					<url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
 				</snapshotRepository>
-				<repository>
-					<id>sonatype-nexus-staging</id>
-					<name>Nexus Release Repository</name>
-					<url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/
-					</url>
-				</repository>
 			</distributionManagement>
 			<build>
 				<plugins>
@@ -154,7 +139,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>1.6</version>
+						<version>3.2.8</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>
@@ -164,6 +149,18 @@
 								</goals>
 							</execution>
 						</executions>
+						<configuration>
+							<gpgArguments>
+								<arg>--pinentry-mode</arg>
+								<arg>loopback</arg>
+							</gpgArguments>
+						</configuration>
+					</plugin>
+					<plugin>
+						<groupId>org.sonatype.central</groupId>
+						<artifactId>central-publishing-maven-plugin</artifactId>
+						<version>${central-publishing-maven-plugin.version}</version>
+						<extensions>true</extensions>
 					</plugin>
 				</plugins>
 			</build>