From f31df0a1d1bb1d2039fbfb1592ac538b4bd90d5e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 6 Jun 2025 23:50:46 +0200
Subject: [PATCH] Announce and add last duplicated regions to the region-map

This fixes a potential issue of region being retained
at session close (no DropReferences signal).
---
 libs/ardour/playlist.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/ardour/playlist.cc b/libs/ardour/playlist.cc
index 0cbc032c38..5de65a1af2 100644
--- a/libs/ardour/playlist.cc
+++ b/libs/ardour/playlist.cc
@@ -1406,7 +1406,7 @@ Playlist::duplicate_until (std::shared_ptr<Region> region, timepos_t & position,
 			PropertyList plist (region->derive_properties ());
 			plist.add (Properties::length, length);
 
-			std::shared_ptr<Region> sub = RegionFactory::create (region, plist, false, &rl.thawlist);
+			std::shared_ptr<Region> sub = RegionFactory::create (region, plist, true, &rl.thawlist);
 			sub->set_region_group(Region::get_region_operation_group_id(region->region_group(), Paste));
 			add_region_internal (sub, position, rl.thawlist);
 			set_layer (sub, DBL_MAX);