diff --git a/NEWS b/NEWS
index 43dc6795e..e090e318f 100644
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,12 @@ ver 0.24 (not yet released)
 * tags
   - new tag "Mood"
 
+ver 0.23.7 (not yet released)
+* decoder
+  - opus: fix missing song length on high-latency files
+* mixer
+  - software: update volume of disabled outputs
+
 ver 0.23.6 (2022/03/14)
 * protocol
   - support filename "cover.webp" for "albumart" command
diff --git a/android/AndroidManifest.xml b/android/AndroidManifest.xml
index 46533971c..11b375198 100644
--- a/android/AndroidManifest.xml
+++ b/android/AndroidManifest.xml
@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="org.musicpd"
           android:installLocation="auto"
-          android:versionCode="65"
-          android:versionName="0.23.5">
+          android:versionCode="66"
+          android:versionName="0.23.7">
 
   <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="29"/>
 
diff --git a/src/lib/xiph/OggSyncState.cxx b/src/lib/xiph/OggSyncState.cxx
index a36dd6243..3401b68e8 100644
--- a/src/lib/xiph/OggSyncState.cxx
+++ b/src/lib/xiph/OggSyncState.cxx
@@ -67,7 +67,7 @@ OggSyncState::ExpectPageIn(ogg_stream_state &os)
 bool
 OggSyncState::ExpectPageSeek(ogg_page &page)
 {
-	size_t remaining_skipped = 32768;
+	size_t remaining_skipped = 65536;
 
 	while (true) {
 		int r = ogg_sync_pageseek(&oy, &page);
diff --git a/src/mixer/MixerAll.cxx b/src/mixer/MixerAll.cxx
index f5e066706..da96f93f3 100644
--- a/src/mixer/MixerAll.cxx
+++ b/src/mixer/MixerAll.cxx
@@ -34,13 +34,15 @@ gcc_pure
 static int
 output_mixer_get_volume(const AudioOutputControl &ao) noexcept
 {
-	if (!ao.IsEnabled())
-		return -1;
-
 	auto *mixer = ao.GetMixer();
 	if (mixer == nullptr)
 		return -1;
 
+	/* software mixers are always considered, even if they are
+	   disabled */
+	if (!ao.IsEnabled() && !mixer->IsPlugin(software_mixer_plugin))
+		return -1;
+
 	try {
 		return mixer_get_volume(mixer);
 	} catch (...) {
@@ -76,13 +78,15 @@ output_mixer_set_volume(AudioOutputControl &ao, unsigned volume) noexcept
 {
 	assert(volume <= 100);
 
-	if (!ao.IsEnabled())
-		return false;
-
 	auto *mixer = ao.GetMixer();
 	if (mixer == nullptr)
 		return false;
 
+	/* software mixers are always updated, even if they are
+	   disabled */
+	if (!ao.IsEnabled() && !mixer->IsPlugin(software_mixer_plugin))
+		return false;
+
 	try {
 		mixer_set_volume(mixer, volume);
 		return true;
diff --git a/test/DumpOgg.cxx b/test/DumpOgg.cxx
new file mode 100644
index 000000000..e665db921
--- /dev/null
+++ b/test/DumpOgg.cxx
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2003-2022 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "lib/xiph/OggSyncState.hxx"
+#include "lib/xiph/OggStreamState.hxx"
+#include "config/Data.hxx"
+#include "input/Init.hxx"
+#include "input/InputStream.hxx"
+#include "input/Reader.hxx"
+#include "event/Thread.hxx"
+#include "util/PrintException.hxx"
+
+#include <inttypes.h>
+#include <stdio.h>
+
+int
+main(int argc, char **argv) noexcept
+try {
+	if (argc != 2) {
+		fprintf(stderr, "Usage: DumpOgg FILE\n");
+		return EXIT_FAILURE;
+	}
+
+	const char *path = argv[1];
+
+	EventThread io_thread;
+	io_thread.Start();
+
+	const ScopeInputPluginsInit input_plugins_init(ConfigData(),
+						       io_thread.GetEventLoop());
+
+	Mutex mutex;
+	auto is = InputStream::OpenReady(path, mutex);
+
+	InputStreamReader reader{*is};
+
+	OggSyncState sync{reader};
+
+	while (true) {
+		ogg_page page;
+		if (!sync.ExpectPage(page))
+			break;
+
+		printf("page offset=%" PRIu64 " serial=%d\n",
+		       sync.GetStartOffset(), ogg_page_serialno(&page));
+	}
+
+	return EXIT_SUCCESS;
+} catch (...) {
+	PrintException(std::current_exception());
+	return EXIT_FAILURE;
+}
diff --git a/test/meson.build b/test/meson.build
index 1701396df..e2f4711af 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -490,6 +490,19 @@ if libid3tag_dep.found()
     ],
   )
 endif
+
+if ogg_dep.found()
+  executable(
+    'DumpOgg',
+    'DumpOgg.cxx',
+    include_directories: inc,
+    dependencies: [
+      ogg_dep,
+      input_glue_dep,
+      archive_glue_dep,
+    ],
+  )
+endif
   
 #
 # Filter