diff --git a/changelog.d/5762.sdk b/changelog.d/5762.sdk
new file mode 100644
index 0000000000..0bb89d4f2f
--- /dev/null
+++ b/changelog.d/5762.sdk
@@ -0,0 +1 @@
+Some data classes are now immutable, using `val` instead of `var`
\ No newline at end of file