diff --git a/doc/changes/ipc/mr.369.md b/doc/changes/ipc/mr.369.md
new file mode 100644
index 0000000000000000000000000000000000000000..a902111d01b2d98295ecd932d95aa1b6d768b7a5
--- /dev/null
+++ b/doc/changes/ipc/mr.369.md
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+ipc: Return XR_ERROR_INSTANCE_LOST on IPC errors.
diff --git a/doc/changes/xrt/mr.369.md b/doc/changes/xrt/mr.369.md
new file mode 100644
index 0000000000000000000000000000000000000000..4875843456a8ade1cb45ccf18bdf7d08199488bd
--- /dev/null
+++ b/doc/changes/xrt/mr.369.md
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+xrt: Add xrt_result_t return type to many compositor functions that previously had no way to indicate failure.