diff --git a/doc/changes/auxiliary/mr.2186.md b/doc/changes/auxiliary/mr.2186.md
new file mode 100644
index 000000000..56e03f517
--- /dev/null
+++ b/doc/changes/auxiliary/mr.2186.md
@@ -0,0 +1 @@
+math: Refactor apply_relation to handle valid/tracked flags more like OpenXR.
\ No newline at end of file