diff --git a/OotD.Core/Forms/MainForm.cs b/OotD.Core/Forms/MainForm.cs
index 267a5b0..a47f5a6 100644
--- a/OotD.Core/Forms/MainForm.cs
+++ b/OotD.Core/Forms/MainForm.cs
@@ -1176,7 +1176,7 @@ private void ButtonPrevious_Click(object sender, EventArgs e)
 
         var (type, offset) = GetNextPreviousOffsetBasedOnCalendarViewMode(mode);
         var targetDate = GetCalendarNavigationTargetDate(OutlookViewControl.SelectedDate, type, offset * -1);
-        OutlookViewControl.GoToDate(targetDate.ToString(CultureInfo.CurrentCulture));
+        OutlookViewControl.GoToDate(targetDate.ToString(CultureInfo.InvariantCulture));
     }
 
     private void ButtonNext_Click(object sender, EventArgs e)
@@ -1188,7 +1188,7 @@ private void ButtonNext_Click(object sender, EventArgs e)
 
         var (type, offset) = GetNextPreviousOffsetBasedOnCalendarViewMode(mode);
         var targetDate = GetCalendarNavigationTargetDate(OutlookViewControl.SelectedDate, type, offset);
-        OutlookViewControl.GoToDate(targetDate.ToString(CultureInfo.CurrentCulture));
+        OutlookViewControl.GoToDate(targetDate.ToString(CultureInfo.InvariantCulture));
     }
 
 
diff --git a/OotD.Core/NLog.xsd b/OotD.Core/NLog.xsd
index d5961e2..60b3387 100644
--- a/OotD.Core/NLog.xsd
+++ b/OotD.Core/NLog.xsd
@@ -4591,6 +4591,7 @@
           <xs:element name="maxRecursionLimit" type="xs:integer" minOccurs="0" maxOccurs="1" default="1" />
           <xs:element name="renderEmptyObject" type="xs:boolean" minOccurs="0" maxOccurs="1" default="true" />
           <xs:element name="suppressSpaces" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
+          <xs:element name="includeActivityIds" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
           <xs:element name="includeScopes" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
           <xs:element name="state" minOccurs="0" maxOccurs="unbounded" type="NLog.Layouts.JsonAttribute" />
           <xs:element name="timestampFormat" type="xs:string" minOccurs="0" maxOccurs="1" default="o" />
@@ -4645,6 +4646,11 @@
             <xs:documentation>Option to suppress the extra spaces in the output json.</xs:documentation>
           </xs:annotation>
         </xs:attribute>
+        <xs:attribute name="includeActivityIds" type="xs:boolean">
+          <xs:annotation>
+            <xs:documentation>Whether to include "TraceId" + "SpanId" + "ParentId" from P:System.Diagnostics.Activity.Current</xs:documentation>
+          </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="includeScopes" type="xs:boolean">
           <xs:annotation>
             <xs:documentation>Whether to include "scopes"-section</xs:documentation>
diff --git a/OotD.Launcher/NLog.xsd b/OotD.Launcher/NLog.xsd
index d5961e2..60b3387 100644
--- a/OotD.Launcher/NLog.xsd
+++ b/OotD.Launcher/NLog.xsd
@@ -4591,6 +4591,7 @@
           <xs:element name="maxRecursionLimit" type="xs:integer" minOccurs="0" maxOccurs="1" default="1" />
           <xs:element name="renderEmptyObject" type="xs:boolean" minOccurs="0" maxOccurs="1" default="true" />
           <xs:element name="suppressSpaces" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
+          <xs:element name="includeActivityIds" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
           <xs:element name="includeScopes" type="xs:boolean" minOccurs="0" maxOccurs="1" default="false" />
           <xs:element name="state" minOccurs="0" maxOccurs="unbounded" type="NLog.Layouts.JsonAttribute" />
           <xs:element name="timestampFormat" type="xs:string" minOccurs="0" maxOccurs="1" default="o" />
@@ -4645,6 +4646,11 @@
             <xs:documentation>Option to suppress the extra spaces in the output json.</xs:documentation>
           </xs:annotation>
         </xs:attribute>
+        <xs:attribute name="includeActivityIds" type="xs:boolean">
+          <xs:annotation>
+            <xs:documentation>Whether to include "TraceId" + "SpanId" + "ParentId" from P:System.Diagnostics.Activity.Current</xs:documentation>
+          </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="includeScopes" type="xs:boolean">
           <xs:annotation>
             <xs:documentation>Whether to include "scopes"-section</xs:documentation>
diff --git a/version.txt b/version.txt
index 831446c..ac14c3d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-5.1.0
+5.1.1