Updates the April 24, 2025 Serverless changelog (#1255)

Thank you, Florent.

---------

Co-authored-by: wajihaparvez <[email protected]>

Author: KOTungseth

release-notes/elastic-cloud-serverless/index.md

@@ -19,9 +19,45 @@ For {{serverless-full}} API changes, refer to [APIs Changelog](https://www.elast
 
 ## April 21, 2025 [serverless-changelog-04212025]
 
+### Features and enhancements [serverless-changelog-04212025-features-enhancements]
+* Adds public Maintenance Window APIs for Alerting [#216756](https://github.com/elastic/kibana/pull/216756)
+* Enables KQL filter for Elastic Observability Serverless TLS rules [#216973](https://github.com/elastic/kibana/pull/216973)
+* Adds drilldown to synthetics stats overview embeddable for Elastic Observability Serverless [#217688](https://github.com/elastic/kibana/pull/217688)
+* Updates the Elastic Observability Serverless embeddable view when only one monitor in one location is selected [#218402](https://github.com/elastic/kibana/pull/218402)
+* Improves accessibility in the Elastic Observability Serverless create connector flyout [#218426](https://github.com/elastic/kibana/pull/218426)
+* Removes double confirmation when deleting conversations in Elastic Observability Serverless [#217991](https://github.com/elastic/kibana/pull/217991)
+* APM URLs now encode the service name in Elastic Observability Serverless [#217092](https://github.com/elastic/kibana/pull/217092)
+* Adds improvements to the Embeddable Trace Waterfall in Elastic Observability Serverless [#217679](https://github.com/elastic/kibana/pull/217679)
+* Updates the highlighted fields in the Elastic Security Serverless overview tab [#216740](https://github.com/elastic/kibana/pull/216740)
+* Adds the ability to handle ELASTIC_PROFILER_STACK_TRACE_IDS for apm-profiler integration in Elastic Obserbability Serverless [#217020](https://github.com/elastic/kibana/pull/217020)
+* Adds the ability to open links in a new window for Vega visualizations [#216200](https://github.com/elastic/kibana/pull/216200)
+* Adds the ability to opt out of event-driven Memory Protection scanning in Elastic Security Serverless advanced policies [#218354](https://github.com/elastic/kibana/pull/218354)
+* Replaces the Elastic Security Serverless analyzer sourcerer [#218183](https://github.com/elastic/kibana/pull/218183)
+* Enables suggestions for `CHANGE_POINT` command in ES|QL [#218100](https://github.com/elastic/kibana/pull/218100)
+* Adds callouts for Fleet breaking changes for integration upgrades [#217257](https://github.com/elastic/kibana/pull/217257)
+* Adds support for local `xpack.productDocBase.artifactRepositoryUrl` file path in Machine Learning [#217046](https://github.com/elastic/kibana/pull/217046)
+* Adds defaultSolution to spaces configuration [#218360](https://github.com/elastic/kibana/pull/218360)
+
 ### Fixes [serverless-changelog-04212025-fixes]
-* Fixes prebuilt rules force upgrade on Elastic Security Serverless Endpoint policy creation [#217959]({{kib-pull}}217959) 
-* Fixes related integrations render performance on Elastic Security Serverless rule editing pages [#217254]({{kib-pull}}217254)
+* Fixes allow_hidden usage in the request for fields in Discover [#217628](https://github.com/elastic/kibana/pull/217628)
+* Fixes an issue in Discover where keydown event propagation now stops when unified doc tabs are focused [#218300](https://github.com/elastic/kibana/pull/218300)
+* Fixes an issue where sync global parameters are now called in the endpoints to add, edit, or delete global params in Elastic Observability Serverless [#216197](https://github.com/elastic/kibana/pull/216197)
+* Adds the ability to allow group for ip type fields in Elastic Observability Serverless [#216062](https://github.com/elastic/kibana/pull/216062)
+* Fixes the EDOT error summary in Elastic Observability Serverless [#217885](https://github.com/elastic/kibana/pull/217885)
+* Fixes test run logs per page in Elastic Observability Serverless [#218458](https://github.com/elastic/kibana/pull/218458)
+* Fixes the display results and Visualize query Bedrock error in Elastic Observability Serverless [#218213](https://github.com/elastic/kibana/pull/218213)
+* Fixes prebuilt rules force upgrade on Endpoint policy creation in Elastic Security Serverless [#217959](https://github.com/elastic/kibana/pull/217959)
+* Fixes related integrations render performance on rule editing pages in Elastic Security Serverless [#217254](https://github.com/elastic/kibana/pull/217254)
+* Fixes the broken tooltip suggestions descriptions in ES|QL [#218067](https://github.com/elastic/kibana/pull/218067)
+* Adds the ability to retrieve empty columns in ES|QL [#218085](https://github.com/elastic/kibana/pull/218085)
+* Fixes an issue in ES|QL where tables with no data would break [#217937](https://github.com/elastic/kibana/pull/217937)
+* Fixes the ES|QL editor menus when using Safari [#218167](https://github.com/elastic/kibana/pull/218167)
+* Fixes the wrong source validation in case of unknown patterns in ES|QL [#218352](https://github.com/elastic/kibana/pull/218352)
+* Fixes vCPU usage message in the Machine Learning start deployment dialog [#218557](https://github.com/elastic/kibana/pull/218557)
+* Removes the listing limit warning [#217945](https://github.com/elastic/kibana/pull/217945)
+* Fixes an issue where the placeholder in the monaco editor would disappear when a value is set [#217828](https://github.com/elastic/kibana/pull/217828)
+* Fixes an issue where the Saved Objects Rotate Encryption Key API would not affect sharable encrypted object types that exist in all spaces [#217625](https://github.com/elastic/kibana/pull/217625)
+* Fixes an issue where refreshing multiple tabs when you log out will simultaneously log in successfully [#212148](https://github.com/elastic/kibana/pull/212148)
 
 ## April 14, 2025 [serverless-changelog-04142025]