diff --git a/src/App/Metadata.cpp b/src/App/Metadata.cpp
index 3b47d60419..05000389a8 100644
--- a/src/App/Metadata.cpp
+++ b/src/App/Metadata.cpp
@@ -149,7 +149,11 @@ std::string Metadata::name() const
 
 Meta::Version Metadata::version() const
 {
-    return _version;
+    return _version; }
+
+std::string App::Metadata::date() const 
+{ 
+    return _date; 
 }
 
 std::string Metadata::description() const
@@ -257,7 +261,11 @@ void Metadata::setName(const std::string& name)
 
 void Metadata::setVersion(const Meta::Version& version)
 {
-    _version = version;
+    _version = version; }
+
+void App::Metadata::setDate(const std::string &date) 
+{ 
+    _date = date; 
 }
 
 void Metadata::setDescription(const std::string& description)
@@ -661,6 +669,9 @@ void Metadata::appendToElement(DOMElement* root) const
         // Only append version if it's not 0.0.0
         appendSimpleXMLNode(root, "version", _version.str());
 
+    if (!_date.empty()) 
+        appendSimpleXMLNode(root, "date", _date);
+
     for (const auto& maintainer : _maintainer) {
         auto element = appendSimpleXMLNode(root, "maintainer", maintainer.name);
         if (element)
@@ -689,6 +700,7 @@ void Metadata::appendToElement(DOMElement* root) const
             case Meta::UrlType::bugtracker:    typeAsString = "bugtracker";    break;
             case Meta::UrlType::readme:        typeAsString = "readme";        break;
             case Meta::UrlType::documentation: typeAsString = "documentation"; break;
+            case Meta::UrlType::discussion:    typeAsString = "discussion"; break;
             }
             addAttribute(element, "type", typeAsString);
             if (url.type == Meta::UrlType::repository) {
@@ -882,6 +894,8 @@ Meta::Url::Url(const XERCES_CPP_NAMESPACE::DOMElement* e)
         type = UrlType::readme;
     else if (typeAttribute == "documentation")
         type = UrlType::documentation;
+    else if (typeAttribute == "discussion")
+        type = UrlType::discussion;
     else
         type = UrlType::website;
 
diff --git a/src/App/Metadata.h b/src/App/Metadata.h
index 2dbce270c9..76458f377a 100644
--- a/src/App/Metadata.h
+++ b/src/App/Metadata.h
@@ -74,7 +74,8 @@ namespace App {
             repository,
             bugtracker,
             readme,
-            documentation
+            documentation,
+            discussion
         };
 
         /**
@@ -203,6 +204,7 @@ namespace App {
 
         std::string name() const; //< A short name for this package, often used as a menu entry.
         Meta::Version version() const; //< Version string in symantic triplet format, e.g. "1.2.3".
+        std::string date() const; //< Date string -- currently arbitrary (when C++20 is well-supported we can revisit)
         std::string description() const; //< Text-only description of the package. No markup.
         std::vector<Meta::Contact> maintainer() const; //< Must be at least one, and must specify an email address.
         std::vector<Meta::License> license() const; //< Must be at least one, and most licenses require including a license file.
@@ -256,6 +258,7 @@ namespace App {
         // Setters
         void setName(const std::string& name);
         void setVersion(const Meta::Version& version);
+        void setDate(const std::string &date);
         void setDescription(const std::string& description);
         void addMaintainer(const Meta::Contact &maintainer);
         void addLicense(const Meta::License &license);
@@ -318,6 +321,7 @@ namespace App {
 
         std::string _name;
         Meta::Version _version;
+        std::string _date;
         std::string _description;
         std::vector<Meta::Contact> _maintainer;
         std::vector<Meta::License> _license;
diff --git a/src/App/MetadataPy.xml b/src/App/MetadataPy.xml
index 712b5cf15d..e7b75d80a9 100644
--- a/src/App/MetadataPy.xml
+++ b/src/App/MetadataPy.xml
@@ -44,6 +44,12 @@ file : str\n    XML file name.</UserDocu>
 			</Documentation>
 			<Parameter Name="Version" Type="Object" />
 		</Attribute>
+		<Attribute Name="Date">
+			<Documentation>
+				<UserDocu>String representing the date of this item in YYYY-MM-DD format (format not currently programmatically enforced)</UserDocu>
+			</Documentation>
+			<Parameter Name="Date" Type="Object" />
+		</Attribute>
 		<Attribute Name="Description">
 			<Documentation>
 				<UserDocu>String representing the description of this item (text only, no markup allowed).</UserDocu>
diff --git a/src/App/MetadataPyImp.cpp b/src/App/MetadataPyImp.cpp
index 6d30eab768..2b25309a5b 100644
--- a/src/App/MetadataPyImp.cpp
+++ b/src/App/MetadataPyImp.cpp
@@ -145,6 +145,21 @@ void MetadataPy::setVersion(Py::Object args)
         getMetadataPtr()->setVersion(App::Meta::Version());
 }
 
+Py::Object MetadataPy::getDate() const 
+{ 
+    return Py::String(getMetadataPtr()->date()); 
+}
+
+void MetadataPy::setDate(Py::Object args)
+{
+    const char *date = nullptr;
+    if (!PyArg_Parse(args.ptr(), "z", &date)) 
+        throw Py::Exception(); 
+    if (date) getMetadataPtr()->setDate(date);
+    else
+        getMetadataPtr()->setDate("");
+}
+
 Py::Object MetadataPy::getDescription() const
 {
     return Py::String(getMetadataPtr()->description());
diff --git a/src/Mod/AddonManager/addonmanager_devmode.py b/src/Mod/AddonManager/addonmanager_devmode.py
index 3a431cfe50..ddd0c20996 100644
--- a/src/Mod/AddonManager/addonmanager_devmode.py
+++ b/src/Mod/AddonManager/addonmanager_devmode.py
@@ -166,6 +166,8 @@ class DeveloperMode:
         result = self.dialog.exec()
         if result == QDialog.Accepted:
             self._sync_metadata_to_ui()
+            now = datetime.date.today()
+            self.metadata.Date = str(now)
             self.metadata.write(os.path.join(self.current_mod, "package.xml"))
 
     def _populate_dialog(self, path_to_repo):