update CHANGELOG and bump version to 6.25.0 (#2518)

Author: xrmx

CHANGELOG.asciidoc

@@ -32,6 +32,20 @@ endif::[]
 [[release-notes-6.x]]
 === Python Agent version 6.x
 
+[[release-notes-6.25.0]]
+==== 6.25.0 - 2025-12-23
+
+[float]
+===== Features
+
+* Introduce `ELASTIC_APM_SKIP_SERVER_INFO` to reduce overhead on serverless with APM server 8.7.1+ {pull}2516[#2516]
+* List all exported symbols in elasticapm module  `__all__` {pull}2504[#2504]
+
+[float]
+===== Bug fixes
+
+* Handle Tornado 6.5.3 `HttpHeaders` `in` operator behavior change {pull}2512[#2512]
+
 [[release-notes-6.24.1]]
 ==== 6.24.1 - 2025-11-21
 

docs/reference/configuration.md

@@ -971,6 +971,10 @@ Whether each transaction should have the process arguments attached. Disabled by
 
 ### `skip_server_info` [config-skip-server-info]
 
+```{applies_to}
+apm_agent_python: preview 6.25.0
+```
+
 | Environment | Django/Flask | Default |
 | --- | --- | --- |
 | `ELASTIC_APM_SKIP_SERVER_INFO` | `SKIP_SERVER_INFO` | `False` |

docs/release-notes/index.md

@@ -26,6 +26,18 @@ To check for security updates, go to [Security announcements for the Elastic sta
 
 % ### Fixes [elastic-apm-python-agent-versionext-fixes]
 
+## 6.25.0 [elastic-apm-python-agent-6250-release-notes]
+**Release date:** December 23, 2025
+
+### Features and enhancements [elastic-apm-python-agent-6250-features-enhancements]
+
+* Introduce `ELASTIC_APM_SKIP_SERVER_INFO` to reduce overhead on serverless with APM server 8.7.1+ [#2516](https://github.com/elastic/apm-agent-python/pull/2516)
+* List all exported symbols in elasticapm module  `__all__` [#2504](https://github.com/elastic/apm-agent-python/pull/2504)
+
+### Fixes [elastic-apm-python-agent-6250-fixes]
+
+* Handle Tornado 6.5.3 `HttpHeaders` `in` operator behavior change [#2512](https://github.com/elastic/apm-agent-python/pull/2512)
+
 ## 6.24.1 [elastic-apm-python-agent-6241-release-notes]
 **Release date:** November 21, 2025
 

elasticapm/version.py

@@ -28,5 +28,5 @@
 #  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-__version__ = (6, 24, 1)
+__version__ = (6, 25, 0)
 VERSION = ".".join(map(str, __version__))