Merge branch 'develop' of https://gitlab.orekit.org/orekit/website-2015 into develop

_posts/2024-12-18-orekit-12.2.1-released.md

+---
+title: "Orekit 12.2.1 released"
+excerpt: "Version 12.2.1 is a patch release of Orekit."
+layout: post_orekit
+publication_year: 2024
+date: 2024-12-18 10:00:00 +0200
+modified: 2024-12-18 10:00:00 +0200
+project: orekit
+categories:
+- News
+tags:
+- news
+- release
+---
+
+The Orekit team is pleased to announce the release of Orekit version 12.2.1.
+
+This is a patch version with bug fixes only.  
+Changes are:
+ * Fix deprecated abstract method in 12.2
+ * Fixed computation time regression by removing HashMap from (Field)TLEPropagator.
+ * Fixed mass depletions not carried between measurements in KalmanModels.
+ * Fixed unchecked conversion warnings in tests after 12.2 release.
+ * Updated design UML diagrams.
+ * Fixed normalization exception in ThrustPropulsionModel with Field.
+ * Fix EKF and UKF with 1-5 orbital parameters.
+ * Fixed conversion error with large values for arguments of longitude and latitude.
+ * Fixed ClockOffsetDriver not modifying the value of BistaticRange.
+
+This version depends on Hipparchus 3.1.
+
+For complete release notes please see:
+https://www.orekit.org/site-orekit-12.2.1/changes-report.html
+
+The maven artifacts are available in maven central.
+The source and binaries can be retrieved from the forge releases page:
+https://gitlab.orekit.org/orekit/orekit/-/releases