small improvements to bug report

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a bug report to help us improve QGIS.
 title: ''
-labels: 'Bug report'
+labels: 'Bug'
 assignees: ''
 
 ---
@@ -30,17 +30,9 @@ If the issue concerns a **third party plugin**, then it **cannot** be fixed by t
 3. Scroll down to '....'
 4. See error -->
 
+**QGIS and OS versions**
 
-**Desktop environment (please complete the following information):**
-
- - OS and version:
-
-**QGIS version**
-
-*Please add information available in QGIS menu help/about*
-
-  - QGIS Version: [e.g. 3.4.5]
-  - Full library versions:
+<!-- In the QGIS menu help/about, click in the dialog, Ctrl+A and then Ctrl+C. Finally paste here -->
 
 **Additional context**
 

.github/stale.yml

@@ -7,6 +7,10 @@ exemptLabels:
   - Merge After Thaw
 # Label to use when marking an issue as stale
 staleLabel: stale
+
+# # Limit to only `issues` or `pulls`
+only: pulls
+
 # Comment to post when marking an issue as stale. Set to `false` to disable
 markComment: >
   The QGIS project highly values your contribution and would love to see

src/app/qgisapp.cpp

@@ -60,6 +60,7 @@
 #endif
 #include <QStatusBar>
 #include <QStringList>
+#include <QSysInfo>
 #include <QTcpSocket>
 #include <QTextStream>
 #include <QtGlobal>
@@ -4499,6 +4500,10 @@ void QgisApp::about()
     versionString += "</tr><tr><td colspan=4>" + tr( "This copy of QGIS writes debugging output." ) + "</td>";
 #endif
 
+    versionString += QLatin1String( "</tr><tr>" );
+
+    versionString += "<td>" + tr( "OS Version" ) + "</td><td>" + QSysInfo::prettyProductName() + "</td>";
+
     versionString += QLatin1String( "</tr></table></div></body></html>" );
 
     sAbt->setVersion( versionString );