Merge pull request #2023 from futurepaul/fallback-to-address

[rust-lightning] / pending_changelog / matt-rm-retryable-secret.txt

## Backwards Compatibility
 * Payments sent with the legacy `*_with_route` methods on LDK 0.0.115+ will no
   longer be retryable via the LDK 0.0.114- `retry_payment` method (#XXXX).