1 files changed, 55 insertions, 0 deletions
diff --git a/src/lib/release_notes.cc b/src/lib/release_notes.cc
new file mode 100644
index 000000000..b1eb95257
--- /dev/null
+++ b/src/lib/release_notes.cc
@@ -0,0 +1,55 @@
+/*
+    Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "config.h"
+#include "release_notes.h"
+#include "version.h"
+
+#include "i18n.h"
+
+
+using std::string;
+using boost::optional;
+
+
+optional<string>
+find_release_notes()
+{
+	auto last = Config::instance()->last_release_notes_version();
+	auto current = string(dcpomatic_version);
+	if (last && *last == current) {
+		return {};
+	}
+
+	Config::instance()->set_last_release_notes_version(current);
+
+	const string header = String::compose("<h1>DCP-o-matic %1 release notes</h1>", current);
+
+	if (current == "2.16.18") {
+		return header +
+			_("In this version there are changes to the way that subtitles are positioned.  "
+			  "Positioning should now be more correct, with respect to the standards, but you "
+			  "should check any subtitles in your project to make sure that they are placed "
+			  "where you want them.");
+	}
+
+	return {};
+}