docs: add release notes

docs/release-notes/release-notes-0.16.1.md

@@ -69,6 +69,7 @@ https://github.com/lightningnetwork/lnd/pull/7359)
   anything for the users since the message type(36) stays unchanged, except in
   the logging all the appearance of `funding_locked` replated experssion is
   replaced with `channel_ready`.
+
 ## Bug Fixes
 
 * [Fix a bug where lnd crashes when psbt data is not fully 
@@ -77,6 +78,10 @@ available](https://github.com/lightningnetwork/lnd/pull/7529).
 * [Put back P2TR as default change type
   in batch_open_channel](https://github.com/lightningnetwork/lnd/pull/7603).
 
+* [Channels opened with custom fee policies are now able to forward payments
+  correctly without needing to restart
+  first](https://github.com/lightningnetwork/lnd/pull/7597).
+
 # Contributors (Alphabetical Order)
 
 * ardevd