diff --git a/changelog/fragments/pr-5343.md b/changelog/fragments/pr-5343.md
new file mode 100644
index 00000000000..44ffc8321a9
--- /dev/null
+++ b/changelog/fragments/pr-5343.md
@@ -0,0 +1 @@
+- Memory flush: fix usage-threshold gating and transcript fallback paths so flushes run reliably when expected (#5343) (thanks @jarvis-medmatic)