Merge pull request gazebosim#1435 from gazebosim/merge_13_14_20240613

Merge 13 -> 14

Changelog.md

@@ -128,6 +128,42 @@
 
 ## libsdformat 13.X
 
+### libsdformat 13.7.0 (2024-06-13)
+
+1. Add support for no gravity link
+    * [Pull request #1410](https://github.com/gazebosim/sdformat/pull/1410)
+    * [Pull request #1419](https://github.com/gazebosim/sdformat/pull/1419)
+
+1. Fix macOS workflow and backport windows fix
+    * [Pull request #1409](https://github.com/gazebosim/sdformat/pull/1409)
+
+1. Fix warning with pybind11 2.12
+    * [Pull request #1389](https://github.com/gazebosim/sdformat/pull/1389)
+
+1. Add bullet and torsional friction DOM
+    * [Pull request #1351](https://github.com/gazebosim/sdformat/pull/1351)
+    * [Pull request #1427](https://github.com/gazebosim/sdformat/pull/1427)
+
+1. Resolve URIs relative to file path
+    * [Pull request #1373](https://github.com/gazebosim/sdformat/pull/1373)
+
+1. Bazel updates for Garden build
+    * [Pull request #1239](https://github.com/gazebosim/sdformat/pull/1239)
+
+1. Fix static builds and optimize test compilation
+    * [Pull request #1343](https://github.com/gazebosim/sdformat/pull/1343)
+    * [Pull request #1347](https://github.com/gazebosim/sdformat/pull/1347)
+
+1. Install ruby commands on Windows
+    * [Pull request #1339](https://github.com/gazebosim/sdformat/pull/1339)
+    * [Pull request #1341](https://github.com/gazebosim/sdformat/pull/1341)
+
+1. Update github action workflows
+    * [Pull request #1345](https://github.com/gazebosim/sdformat/pull/1345)
+
+1. URDF->SDF handle links with no inertia or small mass
+    * [Pull request #1238](https://github.com/gazebosim/sdformat/pull/1238)
+
 ### libsdformat 13.6.0 (2023-08-30)
 
 1. Use relative path in an urdf include to avoid confusion between internal and system headers
@@ -590,6 +626,21 @@
 
 ## libsdformat 12.X
 
+### libsdformat 12.8.0 (2024-06-06)
+
+1. Add support for no gravity link
+    * [Pull request #1410](https://github.com/gazebosim/sdformat/pull/1410)
+
+1. Add bullet and torsional friction DOM
+    * [Pull request #1351](https://github.com/gazebosim/sdformat/pull/1351)
+
+1. Fix static builds and optimize test compilation
+    * [Pull request #1343](https://github.com/gazebosim/sdformat/pull/1343)
+    * [Pull request #1347](https://github.com/gazebosim/sdformat/pull/1347)
+
+1. Update github action workflows
+    * [Pull request #1345](https://github.com/gazebosim/sdformat/pull/1345)
+
 ### libsdformat 12.7.2 (2023-09-01)
 
 1. Fixed 1.9/light.sdf