Add release note for blinded HTLC backwards compat.

diff --git a/pending_changelog/route-blinding-intro-node.txt b/pending_changelog/route-blinding-intro-node.txt
new file mode 100644 (file)
index 0000000..3f31d37
--- /dev/null
+++ b/pending_changelog/route-blinding-intro-node.txt
@@ -0,0 +1,4 @@
+## Backwards Compat
+
+* Forwarding a blinded HTLC and subsequently downgrading to an LDK version prior to 0.0.119 may
+       result in a forwarding failure or an HTLC being failed backwards with an unblinded error.