Update CHANGELOG

Author: mpkorstanje

CHANGELOG.md

@@ -10,6 +10,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- [Core] Format time in JUnit XML report as `xs:float` ([junit-xml-formatter/#83](https://github.com/cucumber/junit-xml-formatter/pull/83) M.P. Korstanje)
+- [Core] Replace concurrent hashmap with regular hashmap ([query/#89](https://github.com/cucumber/query/pull/89) M.P. Korstanje)
 
 ## [7.27.0] - 2025-07-27
 ### Changed

cucumber-core/src/test/java/io/cucumber/core/plugin/JUnitFormatterTest.java

@@ -33,7 +33,7 @@ void writes_report_xml() {
 
         assertThat(bytes, bytes(equalTo("" +
                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
-                "<testsuite name=\"Cucumber\" time=\"5\" tests=\"0\" skipped=\"0\" failures=\"0\" errors=\"0\" timestamp=\"1970-01-01T00:00:10Z\">\n"
+                "<testsuite name=\"Cucumber\" time=\"5.0\" tests=\"0\" skipped=\"0\" failures=\"0\" errors=\"0\" timestamp=\"1970-01-01T00:00:10Z\">\n"
                 +
                 "</testsuite>\n")));
     }