diff --git a/src/Umbraco.Core/Extensions/AssemblyExtensions.cs b/src/Umbraco.Core/Extensions/AssemblyExtensions.cs
index 45ae9ceafe..b7cf65c414 100644
--- a/src/Umbraco.Core/Extensions/AssemblyExtensions.cs
+++ b/src/Umbraco.Core/Extensions/AssemblyExtensions.cs
@@ -1,7 +1,9 @@
 // Copyright (c) Umbraco.
 // See LICENSE for more details.
 
+using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
+using Umbraco.Cms.Core.Semver;
 
 namespace Umbraco.Extensions;
 
@@ -104,4 +106,35 @@ public static class AssemblyExtensions
 
         return null;
     }
+
+    /// <summary>
+    /// Gets the assembly informational version for the specified <paramref name="assembly" />.
+    /// </summary>
+    /// <param name="assembly">The assembly.</param>
+    /// <param name="version">The assembly version.</param>
+    /// <returns>
+    ///   <c>true</c> if the assembly information version is retrieved; otherwise, <c>false</c>.
+    /// </returns>
+    public static bool TryGetInformationalVersion(this Assembly assembly, [NotNullWhen(true)] out string? version)
+    {
+        AssemblyInformationalVersionAttribute? assemblyInformationalVersionAttribute = assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
+        if (assemblyInformationalVersionAttribute is not null &&
+            SemVersion.TryParse(assemblyInformationalVersionAttribute.InformationalVersion, out SemVersion? semVersion))
+        {
+            version = semVersion.ToSemanticStringWithoutBuild();
+            return true;
+        }
+        else
+        {
+            AssemblyName assemblyName = assembly.GetName();
+            if (assemblyName.Version is not null)
+            {
+                version = assemblyName.Version.ToString(3);
+                return true;
+            }
+        }
+
+        version = null;
+        return false;
+    }
 }
diff --git a/src/Umbraco.Core/IO/IOHelperExtensions.cs b/src/Umbraco.Core/IO/IOHelperExtensions.cs
index 7ae90e7f8e..52e1bbe0cd 100644
--- a/src/Umbraco.Core/IO/IOHelperExtensions.cs
+++ b/src/Umbraco.Core/IO/IOHelperExtensions.cs
@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using Umbraco.Cms.Core.IO;
 
 namespace Umbraco.Extensions;
@@ -11,6 +12,7 @@ public static class IOHelperExtensions
     /// <param name="ioHelper"></param>
     /// <param name="path"></param>
     /// <returns></returns>
+    [return: NotNullIfNotNull("path")]
     public static string? ResolveRelativeOrVirtualUrl(this IIOHelper ioHelper, string? path)
     {
         if (string.IsNullOrWhiteSpace(path))
diff --git a/src/Umbraco.Core/Manifest/PackageManifest.cs b/src/Umbraco.Core/Manifest/PackageManifest.cs
index 7bf07cfde9..eb732509ce 100644
--- a/src/Umbraco.Core/Manifest/PackageManifest.cs
+++ b/src/Umbraco.Core/Manifest/PackageManifest.cs
@@ -5,7 +5,7 @@ using Umbraco.Extensions;
 namespace Umbraco.Cms.Core.Manifest;
 
 /// <summary>
-///     Represents the content of a package manifest.
+/// Represents the content of a package manifest.
 /// </summary>
 [DataContract]
 public class PackageManifest
@@ -13,8 +13,11 @@ public class PackageManifest
     private string? _packageName;
 
     /// <summary>
-    ///     An optional package name. If not specified then the directory name is used.
+    /// Gets or sets the name of the package. If not specified, uses the directory name instead.
     /// </summary>
+    /// <value>
+    /// The name of the package.
+    /// </value>
     [DataMember(Name = "name")]
     public string? PackageName
     {
@@ -35,81 +38,132 @@ public class PackageManifest
         set => _packageName = value;
     }
 
+    /// <summary>
+    /// Gets or sets the package view.
+    /// </summary>
+    /// <value>
+    /// The package view.
+    /// </value>
     [DataMember(Name = "packageView")]
     public string? PackageView { get; set; }
 
     /// <summary>
-    ///     Gets the source path of the manifest.
+    /// Gets or sets the source path of the manifest.
     /// </summary>
+    /// <value>
+    /// The source path.
+    /// </value>
     /// <remarks>
-    ///     <para>
-    ///         Gets the full absolute file path of the manifest,
-    ///         using system directory separators.
-    ///     </para>
+    /// Gets the full/absolute file path of the manifest, using system directory separators.
     /// </remarks>
     [IgnoreDataMember]
     public string Source { get; set; } = null!;
 
     /// <summary>
-    ///     Gets or sets the version of the package
+    /// Gets or sets the version of the package.
     /// </summary>
+    /// <value>
+    /// The version of the package.
+    /// </value>
     [DataMember(Name = "version")]
     public string Version { get; set; } = string.Empty;
 
     /// <summary>
-    ///     Gets or sets a value indicating whether telemetry is allowed
+    /// Gets or sets the assembly name to get the package version from.
     /// </summary>
+    /// <value>
+    /// The assembly name to get the package version from.
+    /// </value>
+    [DataMember(Name = "versionAssemblyName")]
+    public string? VersionAssemblyName { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether telemetry is allowed.
+    /// </summary>
+    /// <value>
+    ///   <c>true</c> if package telemetry is allowed; otherwise, <c>false</c>.
+    /// </value>
     [DataMember(Name = "allowPackageTelemetry")]
     public bool AllowPackageTelemetry { get; set; } = true;
 
+    /// <summary>
+    /// Gets or sets the bundle options.
+    /// </summary>
+    /// <value>
+    /// The bundle options.
+    /// </value>
     [DataMember(Name = "bundleOptions")]
     public BundleOptions BundleOptions { get; set; }
 
     /// <summary>
-    ///     Gets or sets the scripts listed in the manifest.
+    /// Gets or sets the scripts listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The scripts.
+    /// </value>
     [DataMember(Name = "javascript")]
     public string[] Scripts { get; set; } = Array.Empty<string>();
 
     /// <summary>
-    ///     Gets or sets the stylesheets listed in the manifest.
+    /// Gets or sets the stylesheets listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The stylesheets.
+    /// </value>
     [DataMember(Name = "css")]
     public string[] Stylesheets { get; set; } = Array.Empty<string>();
 
     /// <summary>
-    ///     Gets or sets the property editors listed in the manifest.
+    /// Gets or sets the property editors listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The property editors.
+    /// </value>
     [DataMember(Name = "propertyEditors")]
     public IDataEditor[] PropertyEditors { get; set; } = Array.Empty<IDataEditor>();
 
     /// <summary>
-    ///     Gets or sets the parameter editors listed in the manifest.
+    /// Gets or sets the parameter editors listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The parameter editors.
+    /// </value>
     [DataMember(Name = "parameterEditors")]
     public IDataEditor[] ParameterEditors { get; set; } = Array.Empty<IDataEditor>();
 
     /// <summary>
-    ///     Gets or sets the grid editors listed in the manifest.
+    /// Gets or sets the grid editors listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The grid editors.
+    /// </value>
     [DataMember(Name = "gridEditors")]
     public GridEditor[] GridEditors { get; set; } = Array.Empty<GridEditor>();
 
     /// <summary>
-    ///     Gets or sets the content apps listed in the manifest.
+    /// Gets or sets the content apps listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The content apps.
+    /// </value>
     [DataMember(Name = "contentApps")]
     public ManifestContentAppDefinition[] ContentApps { get; set; } = Array.Empty<ManifestContentAppDefinition>();
 
     /// <summary>
-    ///     Gets or sets the dashboards listed in the manifest.
+    /// Gets or sets the dashboards listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The dashboards.
+    /// </value>
     [DataMember(Name = "dashboards")]
     public ManifestDashboard[] Dashboards { get; set; } = Array.Empty<ManifestDashboard>();
 
     /// <summary>
-    ///     Gets or sets the sections listed in the manifest.
+    /// Gets or sets the sections listed in the manifest.
     /// </summary>
+    /// <value>
+    /// The sections.
+    /// </value>
     [DataMember(Name = "sections")]
     public ManifestSection[] Sections { get; set; } = Array.Empty<ManifestSection>();
 }
diff --git a/src/Umbraco.Core/Semver/Semver.cs b/src/Umbraco.Core/Semver/Semver.cs
index 3c33f43087..a8261f3054 100644
--- a/src/Umbraco.Core/Semver/Semver.cs
+++ b/src/Umbraco.Core/Semver/Semver.cs
@@ -1,4 +1,5 @@
-using System.Text.RegularExpressions;
+using System.Text.RegularExpressions;
+using System.Diagnostics.CodeAnalysis;
 #if !NETSTANDARD
 using System.Globalization;
 using System.Runtime.Serialization;
@@ -195,7 +196,7 @@ namespace Umbraco.Cms.Core.Semver
         /// </param>
         /// <param name="strict">If set to <c>true</c> minor and patch version are required, else they default to 0.</param>
         /// <returns><c>False</c> when a invalid version string is passed, otherwise <c>true</c>.</returns>
-        public static bool TryParse(string version, out SemVersion? semver, bool strict = false)
+        public static bool TryParse(string version, [NotNullWhen(true)] out SemVersion? semver, bool strict = false)
         {
             try
             {
diff --git a/src/Umbraco.Infrastructure/Manifest/ManifestParser.cs b/src/Umbraco.Infrastructure/Manifest/ManifestParser.cs
index 887ac05dc4..0108fa107d 100644
--- a/src/Umbraco.Infrastructure/Manifest/ManifestParser.cs
+++ b/src/Umbraco.Infrastructure/Manifest/ManifestParser.cs
@@ -1,3 +1,6 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Reflection;
+using System.Runtime.Loader;
 using System.Text;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
@@ -17,7 +20,7 @@ using Umbraco.Extensions;
 namespace Umbraco.Cms.Core.Manifest;
 
 /// <summary>
-///     Parses the Main.js file and replaces all tokens accordingly.
+/// Parses the Main.js file and replaces all tokens accordingly.
 /// </summary>
 public class ManifestParser : IManifestParser
 {
@@ -39,7 +42,7 @@ public class ManifestParser : IManifestParser
     private string _path = null!;
 
     /// <summary>
-    ///     Initializes a new instance of the <see cref="ManifestParser" /> class.
+    /// Initializes a new instance of the <see cref="ManifestParser" /> class.
     /// </summary>
     public ManifestParser(
         AppCaches appCaches,
@@ -163,31 +166,35 @@ public class ManifestParser : IManifestParser
     /// </summary>
     public PackageManifest ParseManifest(string text)
     {
-        if (text == null)
-        {
-            throw new ArgumentNullException(nameof(text));
-        }
+        ArgumentNullException.ThrowIfNull(text);
 
         if (string.IsNullOrWhiteSpace(text))
         {
             throw new ArgumentException("Value can't be empty or consist only of white-space characters.", nameof(text));
         }
 
-        PackageManifest? manifest = JsonConvert.DeserializeObject<PackageManifest>(
+        PackageManifest manifest = JsonConvert.DeserializeObject<PackageManifest>(
             text,
             new DataEditorConverter(_dataValueEditorFactory, _ioHelper, _localizedTextService, _shortStringHelper, _jsonSerializer),
             new ValueValidatorConverter(_validators),
-            new DashboardAccessRuleConverter());
+            new DashboardAccessRuleConverter())!;
+
+        if (string.IsNullOrEmpty(manifest.Version) &&
+            !string.IsNullOrEmpty(manifest.VersionAssemblyName) &&
+            TryGetAssemblyInformationalVersion(manifest.VersionAssemblyName, out string? version))
+        {
+            manifest.Version = version;
+        }
 
         // scripts and stylesheets are raw string, must process here
-        for (var i = 0; i < manifest!.Scripts.Length; i++)
+        for (var i = 0; i < manifest.Scripts.Length; i++)
         {
-            manifest.Scripts[i] = _ioHelper.ResolveRelativeOrVirtualUrl(manifest.Scripts[i])!;
+            manifest.Scripts[i] = _ioHelper.ResolveRelativeOrVirtualUrl(manifest.Scripts[i]);
         }
 
         for (var i = 0; i < manifest.Stylesheets.Length; i++)
         {
-            manifest.Stylesheets[i] = _ioHelper.ResolveRelativeOrVirtualUrl(manifest.Stylesheets[i])!;
+            manifest.Stylesheets[i] = _ioHelper.ResolveRelativeOrVirtualUrl(manifest.Stylesheets[i]);
         }
 
         foreach (ManifestContentAppDefinition contentApp in manifest.ContentApps)
@@ -197,7 +204,7 @@ public class ManifestParser : IManifestParser
 
         foreach (ManifestDashboard dashboard in manifest.Dashboards)
         {
-            dashboard.View = _ioHelper.ResolveRelativeOrVirtualUrl(dashboard.View)!;
+            dashboard.View = _ioHelper.ResolveRelativeOrVirtualUrl(dashboard.View);
         }
 
         foreach (GridEditor gridEditor in manifest.GridEditors)
@@ -217,6 +224,22 @@ public class ManifestParser : IManifestParser
         return manifest;
     }
 
+    private bool TryGetAssemblyInformationalVersion(string name, [NotNullWhen(true)] out string? version)
+    {
+        foreach (Assembly assembly in AssemblyLoadContext.Default.Assemblies)
+        {
+            AssemblyName assemblyName = assembly.GetName();
+            if (string.Equals(assemblyName.Name, name, StringComparison.OrdinalIgnoreCase) &&
+                assembly.TryGetInformationalVersion(out version))
+            {
+                return true;
+            }
+        }
+
+        version = null;
+        return false;
+    }
+
     /// <summary>
     ///     Merges all manifests into one.
     /// </summary>
diff --git a/src/Umbraco.Infrastructure/Services/Implement/PackagingService.cs b/src/Umbraco.Infrastructure/Services/Implement/PackagingService.cs
index a0330d75fd..5047bae233 100644
--- a/src/Umbraco.Infrastructure/Services/Implement/PackagingService.cs
+++ b/src/Umbraco.Infrastructure/Services/Implement/PackagingService.cs
@@ -116,8 +116,7 @@ public class PackagingService : IPackagingService
 
     public IEnumerable<InstalledPackage> GetAllInstalledPackages()
     {
-        IReadOnlyDictionary<string, string?>? keyValues =
-            _keyValueService.FindByKeyPrefix(Constants.Conventions.Migrations.KeyValuePrefix);
+        IReadOnlyDictionary<string, string?>? keyValues = _keyValueService.FindByKeyPrefix(Constants.Conventions.Migrations.KeyValuePrefix);
 
         var installedPackages = new Dictionary<string, InstalledPackage>();
 
@@ -126,14 +125,21 @@ public class PackagingService : IPackagingService
         {
             if (!installedPackages.TryGetValue(plan.PackageName, out InstalledPackage? installedPackage))
             {
-                installedPackage = new InstalledPackage { PackageName = plan.PackageName };
+                installedPackage = new InstalledPackage
+                {
+                    PackageName = plan.PackageName,
+                };
+
+                if (plan.GetType().Assembly.TryGetInformationalVersion(out string? version))
+                {
+                    installedPackage.Version = version;
+                }
+
                 installedPackages.Add(plan.PackageName, installedPackage);
             }
 
             var currentPlans = installedPackage.PackageMigrationPlans.ToList();
-            if (keyValues is null || keyValues.TryGetValue(
-                Constants.Conventions.Migrations.KeyValuePrefix + plan.Name,
-                out var currentState) is false)
+            if (keyValues is null || keyValues.TryGetValue(Constants.Conventions.Migrations.KeyValuePrefix + plan.Name, out var currentState) is false)
             {
                 currentState = null;
             }
@@ -157,14 +163,20 @@ public class PackagingService : IPackagingService
 
             if (!installedPackages.TryGetValue(package.PackageName, out InstalledPackage? installedPackage))
             {
-                installedPackage = new InstalledPackage {
+                installedPackage = new InstalledPackage
+                {
                     PackageName = package.PackageName,
-                    Version = string.IsNullOrEmpty(package.Version) ? "Unknown" : package.Version,
                 };
 
                 installedPackages.Add(package.PackageName, installedPackage);
             }
 
+            // Set additional values
+            if (!string.IsNullOrEmpty(package.Version))
+            {
+                installedPackage.Version = package.Version;
+            }
+
             installedPackage.PackageView = package.PackageView;
         }
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/packages/views/installed.html b/src/Umbraco.Web.UI.Client/src/views/packages/views/installed.html
index 248e926c98..a166f7ab2d 100644
--- a/src/Umbraco.Web.UI.Client/src/views/packages/views/installed.html
+++ b/src/Umbraco.Web.UI.Client/src/views/packages/views/installed.html
@@ -17,7 +17,7 @@
                             </div>
                             <div class="umb-package-list__item-content">
                                 <div class="umb-package-list__item-name">{{ installedPackage.name }}</div>
-                                <div class="umb-package-list__item-description">Version: {{ installedPackage.version }}</div>
+                                <div class="umb-package-list__item-description" ng-if="installedPackage.version">Version: {{ installedPackage.version }}</div>
                                 <div class="umb-package-list__item-description">
                                     <localize ng-if="installedPackage.hasMigrations && !installedPackage.hasPendingMigrations"
                                               key="packager_packageMigrationsNonePending">No pending migrations</localize>
diff --git a/templates/UmbracoPackage/App_Plugins/UmbracoPackage/package.manifest b/templates/UmbracoPackage/App_Plugins/UmbracoPackage/package.manifest
index 906db79b7a..d4f357f261 100644
--- a/templates/UmbracoPackage/App_Plugins/UmbracoPackage/package.manifest
+++ b/templates/UmbracoPackage/App_Plugins/UmbracoPackage/package.manifest
@@ -1,5 +1,5 @@
-{
+{
     "name": "UmbracoPackage",
-    "version": "",
+    "versionAssemblyName": "UmbracoPackage",
     "allowPackageTelemetry": true
-}
\ No newline at end of file
+}
diff --git a/templates/UmbracoPackageRcl/wwwroot/package.manifest b/templates/UmbracoPackageRcl/wwwroot/package.manifest
index 6aadd0cee6..d4f357f261 100644
--- a/templates/UmbracoPackageRcl/wwwroot/package.manifest
+++ b/templates/UmbracoPackageRcl/wwwroot/package.manifest
@@ -1,5 +1,5 @@
 {
     "name": "UmbracoPackage",
-    "version": "",
+    "versionAssemblyName": "UmbracoPackage",
     "allowPackageTelemetry": true
 }