diff --git a/Htmldocs/release_notes.html b/Htmldocs/release_notes.html
index 29c63e06..bebc84cd 100644
--- a/Htmldocs/release_notes.html
+++ b/Htmldocs/release_notes.html
@@ -15,9 +15,11 @@
     <br>Portions of OSCAR are © 2019-2021 by
     <i>The OSCAR Team</i></p>
     <ul>
+      <li>[new] Add support for additional Viatom/Wellue filename conventions.</li>
+      <li>[new] Add support for unreadably low SpO2 samples on Viatom/Wellue oximeters.</li>
       <li>[fix] Check for Updates no longer shows test versions to release users.</li>
       <li>[fix] Rx pressures shown correctly in Profile dialog.</li>
-      <li>[fix] Allow zipping to continue when errors occur (MacOS).</li>
+      <li>[fix] Resolve empty CPAP data card zips on macOS Big Sur.</li>
       <li>[fix] Always prompt for SD card location when zipping SD card.</li>
       <li>[fix] Add script to identify platform in mkDistDeb.sh (Linux building).</li>
       <li>---------- Fixes to previous fixes (do not include in final release notes) ---------</li>
@@ -71,8 +73,6 @@
       <li>[fix] Ignore old sessions should not impact existing data.</li>
       <li>[fix] Fix ocasional misordering of indexes on the Daily page.</li>
       <li>[fix] Add Unclassified Apneas to the Statistics page.</li>
-      <li>[fix] Resolve empty CPAP data card zips on macOS Big Sur.</li>
-      <li>[fix] Add support for unreadably low SpO2 samples on Viatom/Wellue oximeters.</li>
     </ul>
     <p>
     <b>Changes and fixes in OSCAR v1.2.0</b>
diff --git a/oscar/SleepLib/loader_plugins/viatom_loader.cpp b/oscar/SleepLib/loader_plugins/viatom_loader.cpp
index b2c768b7..d4c02d0b 100644
--- a/oscar/SleepLib/loader_plugins/viatom_loader.cpp
+++ b/oscar/SleepLib/loader_plugins/viatom_loader.cpp
@@ -237,7 +237,11 @@ void ViatomLoader::EndEventList(ChannelID channel, qint64 /*t*/)
 QStringList ViatomLoader::getNameFilter()
 {
     // Sometimes the files have a SleepU_ or O2Ring_ prefix.
-    return QStringList("*20[0-5][0-9][01][0-9][0-3][0-9][012][0-9][0-5][0-9][0-5][0-9]");
+    // Sometimes they have punctuation in the timestamp.
+    // Note that ":" is not allowed on macOS, so Mac users will need to rename their files in order to select and import them.
+    return QStringList({"*20[0-5][0-9][01][0-9][0-3][0-9][012][0-9][0-5][0-9][0-5][0-9]",
+                        "*20[0-5][0-9]-[01][0-9]-[0-3][0-9] [012][0-9]:[0-5][0-9]:[0-5][0-9]"
+    });
 }
 
 static bool viatom_initialized = false;
@@ -309,7 +313,11 @@ bool ViatomFile::ParseHeader()
     QDateTime data_timestamp = QDateTime(QDate(year, month, day), QTime(hour, min, sec));
 
     QString date_string = QFileInfo(m_file).fileName().section("_", -1);  // Strip any SleepU_ etc. prefix.
-    QDateTime filename_timestamp = QDateTime::fromString(date_string, "yyyyMMddHHmmss");
+    QString format_string = "yyyyMMddHHmmss";
+    if (date_string.contains(":")) {
+        format_string = "yyyy-MM-dd HH:mm:ss";
+    }
+    QDateTime filename_timestamp = QDateTime::fromString(date_string, format_string);
     if (filename_timestamp.isValid()) {
         if (filename_timestamp != data_timestamp) {
             // TODO: Once there's a better/easier way to adjust session times within OSCAR, we can remove the below.