diff --git a/Executable/Executable.csproj b/Executable/Executable.csproj
index 1e92f58..4d8c158 100644
--- a/Executable/Executable.csproj
+++ b/Executable/Executable.csproj
@@ -2,9 +2,10 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/astar/.idea/.idea.astar/.idea/.gitignore b/astar/.idea/.idea.astar/.idea/.gitignore
new file mode 100644
index 0000000..381d33a
--- /dev/null
+++ b/astar/.idea/.idea.astar/.idea/.gitignore
@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/projectSettingsUpdater.xml
+/.idea.astar.iml
+/contentModel.xml
+/modules.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/astar/.idea/.idea.astar/.idea/encodings.xml b/astar/.idea/.idea.astar/.idea/encodings.xml
new file mode 100644
index 0000000..df87cf9
--- /dev/null
+++ b/astar/.idea/.idea.astar/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>
\ No newline at end of file
diff --git a/astar/.idea/.idea.astar/.idea/indexLayout.xml b/astar/.idea/.idea.astar/.idea/indexLayout.xml
new file mode 100644
index 0000000..b949fae
--- /dev/null
+++ b/astar/.idea/.idea.astar/.idea/indexLayout.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders>
+      <Path>../../astar</Path>
+    </attachedFolders>
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file
diff --git a/astar/.idea/.idea.astar/.idea/vcs.xml b/astar/.idea/.idea.astar/.idea/vcs.xml
new file mode 100644
index 0000000..62bd7a0
--- /dev/null
+++ b/astar/.idea/.idea.astar/.idea/vcs.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/astar/astar.csproj b/astar/astar.csproj
index 52cd6ae..277e91a 100644
--- a/astar/astar.csproj
+++ b/astar/astar.csproj
@@ -1,9 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/astar/astar.sln.DotSettings.user b/astar/astar.sln.DotSettings.user
new file mode 100644
index 0000000..9f75dcd
--- /dev/null
+++ b/astar/astar.sln.DotSettings.user
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/AddReferences/RecentPaths/=C_003A_005CUsers_005CGlax_005CRiderProjects_005CGeo_002DGraph_005CGeo_002DGraph_005Cbin_005CDebug_005Cnet6_002E0_005CGeo_002DGraph_002Edll/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file