Add a pending changelog entry to note new backwards incompat

TheBlueMatt · TheBlueMatt · commit abafdeb8bf77 · 2026-02-13T22:10:30.000Z
diff --git a/pending_changelog/4373.txt b/pending_changelog/4373.txt
@@ -0,0 +1,4 @@
+## Backwards Compat
+ * Setting `OptionalBolt11PaymentParams::declared_total_mpp_value_override` or
+   `RecipientOnionFields::total_mpp_amount_msat` for a payment will break
+   downgrade to 0.2 until the payment completes.
