Add script dump note to RPC help text and release notes

doc/release-notes.md

@@ -100,6 +100,10 @@ The `share/rpcuser/rpcuser.py` script was renamed to `share/rpcauth/rpcauth.py`.
 used to create `rpcauth` credentials for a JSON-RPC user.
 
 
+- `dumpwallet` now includes hex-encoded scripts from the wallet in the dumpfile, and
+  `importwallet` now imports these scripts, but corresponding addresses may not be added
+  correctly or a manual rescan may be required to find relevant transactions.
+
 Credits
 =======
 

src/wallet/rpcdump.cpp

@@ -613,7 +613,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
         throw std::runtime_error(
             "dumpwallet \"filename\"\n"
             "\nDumps all wallet keys in a human-readable format to a server-side file. This does not allow overwriting existing files.\n"
-            "Imported scripts are not currently included in wallet dumps, these must be backed up separately.\n"
+            "Imported scripts are included in the dumpfile, but corresponding BIP173 addresses, etc. may not be added automatically by importwallet.\n"
             "Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by\n"
             "only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n"
             "\nArguments:\n"