message: doc: Add release notes for 14897 & 15834
diff: @@ -90,7 +90,7 @@ Updated RPCs
  Note: some low-level RPC changes mainly useful for testing are described in the
  Low-level Changes section below.
  -* The `sendmany` RPC had an argument `minconf` that was not well specified and
  +- The `sendmany` RPC had an argument `minconf` that was not well specified and
  would lead to RPC errors even when the wallet's coin selection would succeed.
  The `sendtoaddress` RPC never had this check, so to normalize the behavior,
  `minconf` is now ignored in `sendmany`. If the coin selection does not
  @@ -106,11 +106,22 @@ Low-level changes
  Configuration
  ------------
  -* An error is issued where previously a warning was issued when a setting in
  +- An error is issued where previously a warning was issued when a setting in
  the config file was specified in the default section, but not overridden for
  the selected network. This change takes only effect if the selected network
  is not mainnet.
  +Network
  +-------
  +
  +- When fetching a transaction announced by multiple peers, previous versions of
  + Bitcoin Core would sequentially attempt to download the transaction from each
  + announcing peer until the transaction is received, in the order that those
  + peers' announcements were received. In this release, the download logic has
  + changed to randomize the fetch order across peers and to prefer sending
  + download requests to outbound peers over inbound peers. This fixes an issue
  + where inbound peers can prevent a node from getting a transaction.
  +
  Wallet
  ------
  