* [coll] Allow using local host for testing. (#10526)

- Don't try to retrieve the IP address if a host is specified.
- Fix compiler deprecation warning.

* Fix boolean array for arrow-backed DF. (#10527)

* [EM] Move prefetch in reset into the end of the iteration. (#10529)

* Enhance the threadpool implementation. (#10531)



- Accept an initialization function.
- Support void return tasks.

* [doc] Update link to release notes. [skip ci] (#10533)

* [doc] Fix learning to rank tutorial. [skip ci] (#10539)

* Cache GPU histogram kernel configuration. (#10538)

* [sycl] Reorder if-else statements to allow using of cpu branches for sycl-devices (#10543)

* reoder if-else statements for sycl compatibility

* trigger check

---------

Co-authored-by: Dmitry Razdoburdin <>

* [EM] Basic distributed test for external memory. (#10492)

* [sycl] Improve build configuration. (#10548)

Co-authored-by: Dmitry Razdoburdin <>

* [R] Update roxygen. (#10556)

* [doc] Add more detailed explanations for advanced objectives (#10283)



---------

Co-authored-by: Jiaming Yuan <[email protected]>

* [doc] Add `build_info` to autodoc. [skip ci] (#10551)

* [doc] Add notes about RMM and device ordinal. [skip ci] (#10562)

- Remove the experimental tag, we have been running it for a long time now.
- Add notes about avoiding set CUDA device.
- Add link in parameter.

* Fix empty partition. (#10559)

* Avoid the use of size_t in the partitioner. (#10541)

- Avoid the use of size_t in the partitioner.
- Use `Span` instead of `Elem` where `node_id` is not needed.
- Remove the `const_cast`.
- Make sure the constness is not removed in the `Elem` by making it reference only.

size_t is implementation-defined, which causes issue when we want to pass pointer or span.

* [EM] Handle base idx in GPU histogram. (#10549)

* [fed] Split up federated test CMake file. (#10566)

- Collect all federated test files into the same directory.
- Independently list the files.

* Avoid thrust vector initialization. (#10544)

* Avoid thrust vector initialization.

- Add a wrapper for rmm device uvector.
- Split up the `Resize` method for HDV.

* Fix column split race condition. (#10572)

* Small cleanup for CMake scripts. (#10573)

- Remove rabit.

* replace channel for sycl dependencies (#10576)

Co-authored-by: Dmitry Razdoburdin <>

* Bump org.apache.maven.plugins:maven-project-info-reports-plugin (#10497)

Bumps [org.apache.maven.plugins:maven-project-info-reports-plugin](https://github.com/apache/maven-project-info-reports-plugin) from 3.5.0 to 3.6.1.
- [Commits](apache/maven-project-info-reports-plugin@maven-project-info-reports-plugin-3.5.0...maven-project-info-reports-plugin-3.6.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-project-info-reports-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump org.apache.flink:flink-clients in /jvm-packages (#10517)

Bumps [org.apache.flink:flink-clients](https://github.com/apache/flink) from 1.19.0 to 1.19.1.
- [Commits](apache/flink@release-1.19.0...release-1.19.1)

---
updated-dependencies:
- dependency-name: org.apache.flink:flink-clients
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump org.apache.maven.plugins:maven-surefire-plugin (#10429)

Bumps [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.2.5 to 3.3.0.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.2.5...surefire-3.3.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump commons-logging:commons-logging in /jvm-packages/xgboost4j-spark (#10547)

Bumps commons-logging:commons-logging from 1.3.2 to 1.3.3.

---
updated-dependencies:
- dependency-name: commons-logging:commons-logging
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jiaming Yuan <[email protected]>

* Bump org.apache.maven.plugins:maven-jar-plugin (#10458)

Bumps [org.apache.maven.plugins:maven-jar-plugin](https://github.com/apache/maven-jar-plugin) from 3.4.1 to 3.4.2.
- [Release notes](https://github.com/apache/maven-jar-plugin/releases)
- [Commits](apache/maven-jar-plugin@maven-jar-plugin-3.4.1...maven-jar-plugin-3.4.2)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-jar-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump org.apache.maven.plugins:maven-project-info-reports-plugin (#10585)

Bumps [org.apache.maven.plugins:maven-project-info-reports-plugin](https://github.com/apache/maven-project-info-reports-plugin) from 3.6.1 to 3.6.2.
- [Commits](apache/maven-project-info-reports-plugin@maven-project-info-reports-plugin-3.6.1...maven-project-info-reports-plugin-3.6.2)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-project-info-reports-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump org.apache.maven.plugins:maven-release-plugin (#10586)

Bumps [org.apache.maven.plugins:maven-release-plugin](https://github.com/apache/maven-release) from 3.0.1 to 3.1.1.
- [Release notes](https://github.com/apache/maven-release/releases)
- [Commits](apache/maven-release@maven-release-3.0.1...maven-release-3.1.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-release-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump net.alchim31.maven:scala-maven-plugin in /jvm-packages/xgboost4j (#10536)

Bumps net.alchim31.maven:scala-maven-plugin from 4.9.1 to 4.9.2.

---
updated-dependencies:
- dependency-name: net.alchim31.maven:scala-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump org.apache.maven.plugins:maven-checkstyle-plugin in /jvm-packages (#10518)

Bumps [org.apache.maven.plugins:maven-checkstyle-plugin](https://github.com/apache/maven-checkstyle-plugin) from 3.3.1 to 3.4.0.
- [Commits](apache/maven-checkstyle-plugin@maven-checkstyle-plugin-3.3.1...maven-checkstyle-plugin-3.4.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-checkstyle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* [R] Redesigned `xgboost()` interface skeleton (#10456)


---------

Co-authored-by: Michael Mayer <[email protected]>

* [jvm-packages] Bump rapids version. (#10588)

* Bump scalatest.version from 3.2.18 to 3.2.19 in /jvm-packages/xgboost4j (#10535)

Bumps `scalatest.version` from 3.2.18 to 3.2.19.

Updates `org.scalatest:scalatest_2.12` from 3.2.18 to 3.2.19
- [Release notes](https://github.com/scalatest/scalatest/releases)
- [Commits](scalatest/scalatest@release-3.2.18...release-3.2.19)

Updates `org.scalactic:scalactic_2.12` from 3.2.18 to 3.2.19
- [Release notes](https://github.com/scalatest/scalatest/releases)
- [Commits](scalatest/scalatest@release-3.2.18...release-3.2.19)

---
updated-dependencies:
- dependency-name: org.scalatest:scalatest_2.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.scalactic:scalactic_2.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* [Doc] Fix CRAN badge in README [skip ci] (#10587)

* Change http to https in Badges

* Change all http to https

* Partial fix for CTK 12.5 (#10574)

* Merge approx tests. (#10583)

* [CI] Reduce the frequency of dependabot PRs (#10593)

* Bump actions/setup-python from 5.1.0 to 5.1.1 (#10599)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5.1.0 to 5.1.1.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@82c7e63...39cd149)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump actions/upload-artifact from 4.3.3 to 4.3.4 (#10600)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.3 to 4.3.4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@6546280...0b2256b)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Bump com.fasterxml.jackson.core:jackson-databind (#10590)

Bumps [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson) from 2.15.2 to 2.17.2.
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Refactor `DeviceUVector`. (#10595)

Create a wrapper instead of using inheritance to avoid inconsistent interface of the class.

* [EM] Support mmap backed ellpack. (#10602)


- Support resource view in ellpack.
- Define the CUDA version of MMAP resource.
- Define the CUDA version of malloc resource.
- Refactor cuda runtime API wrappers, and add memory access related wrappers.
- gather windows macros into a single header.

* [CI] Fix test environment. (#10609)

* [CI] Fix test environment.

* Remove shell.

* Remove.

* Update Dockerfile.i386

* [CI] Build a CPU-only wheel under name `xgboost-cpu` (#10603)

* Drop support for CUDA legacy stream. (#10607)

* Optionally skip cupy on windows. (#10611)

* [EM] Prevent init with CUDA malloc resource. (#10606)

* Move device histogram storage into `histogram.cuh`. (#10608)

* Fix.

* Fix.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: Dmitry Razdoburdin <[email protected]>
Co-authored-by: david-cortes <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Mayer <[email protected]>
Co-authored-by: RektPunk <[email protected]>
Co-authored-by: Philip Hyunsu Cho <[email protected]>