Added support for update release notes in APIv3

src/NuGetForUnity/Editor/Models/NugetPackageV3.cs

@@ -61,6 +61,10 @@ internal sealed class NugetPackageV3 : NugetPackageIdentifier, INugetPackage, IS
         [NotNull]
         private NugetPackageSourceV3 packageSource;
 
+        [SerializeField]
+        [NotNull]
+        private string releaseNotes;
+
         /// <summary>
         ///     Initializes a new instance of the <see cref="NugetPackageV3" /> class.
         /// </summary>
@@ -75,6 +79,7 @@ internal sealed class NugetPackageV3 : NugetPackageIdentifier, INugetPackage, IS
         /// <param name="summary">The short summary.</param>
         /// <param name="title">The human readable title.</param>
         /// <param name="iconUrl">The URL where the icon can be downloaded.</param>
+        /// <param name="releaseNotes">Release notes from the currently installed version.</param>
         /// <param name="versions">All available versions.</param>
         public NugetPackageV3(
             [NotNull] string id,
@@ -88,6 +93,7 @@ public NugetPackageV3(
             [CanBeNull] string summary,
             [CanBeNull] string title,
             [CanBeNull] string iconUrl,
+            string releaseNotes,
             List<NugetPackageVersion> versions)
             : base(id, version)
         {
@@ -100,6 +106,7 @@ public NugetPackageV3(
             Summary = summary;
             Title = title;
             this.iconUrl = iconUrl;
+            this.releaseNotes = releaseNotes;
             Versions = versions;
         }
 
@@ -178,7 +185,7 @@ public Task<Texture2D> IconTask
         }
 
         /// <inheritdoc />
-        public string ReleaseNotes => string.Empty;
+        public string ReleaseNotes => releaseNotes;
 
         /// <inheritdoc />
         public RepositoryType RepositoryType => RepositoryType.NotSpecified;

src/NuGetForUnity/Editor/PackageSource/NugetApiClientV3.cs

@@ -246,11 +246,13 @@ public async Task DownloadNupkgToFileAsync(
         /// </summary>
         /// <param name="packageSource">The package source that owns this client.</param>
         /// <param name="package">The package identifier to receive including the details.</param>
+        /// <param name="includePrerelease">True to include prerelease packages (alpha, beta, etc).</param>
         /// <param name="cancellationToken">Token to cancel the HTTP request.</param>
         /// <returns>The package or null if we didn't find it.</returns>
         public async Task<NugetPackageV3> GetPackageWithAllVersionsAsync(
             NugetPackageSourceV3 packageSource,
             INugetPackageIdentifier package,
+            bool includePrerelease,
             CancellationToken cancellationToken = default)
         {
             var registrationItems = await GetRegistrationPageItemsAsync(packageSource, package, cancellationToken);
@@ -262,13 +264,15 @@ public async Task<NugetPackageV3> GetPackageWithAllVersionsAsync(
             var versions = new List<NugetPackageVersion>();
             RegistrationLeafObject latestVersionItem = null;
             NugetPackageVersion latestVersion = null;
+            var sb = new StringBuilder();
             foreach (var item in registrationItems)
             {
                 if (item.items is null || item.items.Count == 0)
                 {
                     item.items = await GetRegistrationPageLeafItems(packageSource, item, cancellationToken).ConfigureAwait(false);
                 }
 
+                var lastNote = string.Empty;
                 foreach (var leafObject in item.items)
                 {
                     var catalogEntry = leafObject.CatalogEntry;
@@ -280,19 +284,28 @@ public async Task<NugetPackageV3> GetPackageWithAllVersionsAsync(
                     }
 
                     var version = new NugetPackageVersion(catalogEntry.version);
-                    versions.Add(version);
+                    if (includePrerelease || !version.IsPrerelease)
+                    {
+                        versions.Add(version);
+                    }
+
                     if (latestVersion != null && version <= latestVersion)
                     {
                         continue;
                     }
 
                     latestVersion = version;
                     latestVersionItem = leafObject;
+                    if (!string.IsNullOrWhiteSpace(catalogEntry.releaseNotes) && lastNote != catalogEntry.releaseNotes && version > package.PackageVersion)
+                    {
+                        sb.Append(catalogEntry.releaseNotes).Append("\n");
+                        lastNote = catalogEntry.releaseNotes;
+                    }
                 }
             }
 
             versions.Sort((v1, v2) => v2.CompareTo(v1));
-            return CreatePackageFromRegistrationLeaf(packageSource, latestVersionItem, versions);
+            return CreatePackageFromRegistrationLeaf(packageSource, latestVersionItem, sb.ToString(), versions);
         }
 
         /// <summary>
@@ -314,7 +327,7 @@ public async Task<NugetPackageV3> GetPackageWithDetailsAsync(
                 return null;
             }
 
-            return CreatePackageFromRegistrationLeaf(packageSource, leafItem);
+            return CreatePackageFromRegistrationLeaf(packageSource, leafItem, leafItem.CatalogEntry.releaseNotes);
         }
 
         /// <summary>
@@ -343,6 +356,7 @@ public async Task<List<NugetFrameworkGroup>> GetPackageDetailsAsync(
         private static NugetPackageV3 CreatePackageFromRegistrationLeaf(
             NugetPackageSourceV3 packageSource,
             RegistrationLeafObject leafItem,
+            string releaseNotes,
             List<NugetPackageVersion> allVersions = null)
         {
             var entry = leafItem.CatalogEntry;
@@ -368,6 +382,7 @@ private static NugetPackageV3 CreatePackageFromRegistrationLeaf(
                 entry.summary,
                 entry.title,
                 entry.iconUrl,
+                releaseNotes,
                 allVersions ?? new List<NugetPackageVersion> { new NugetPackageVersion(entry.version) })
             {
                 DownloadUrl = leafItem.packageContent, Dependencies = ConvertDependencyGroups(entry),
@@ -443,6 +458,7 @@ private static List<INugetPackage> SearchResultToNugetPackages(List<SearchResult
                         item.summary,
                         item.title,
                         item.iconUrl,
+                        string.Empty,
                         versions));
             }
 
@@ -1017,6 +1033,9 @@ private sealed class CatalogEntry
             [CanBeNull]
             public string version;
 
+            [CanBeNull]
+            public string releaseNotes;
+
             /// <summary>
             ///     The security vulnerabilities of the package.
             /// </summary>

src/NuGetForUnity/Editor/PackageSource/NugetPackageSourceV3.cs

@@ -264,7 +264,7 @@ public List<INugetPackage> GetUpdates(
 
                             var fetchedPackages = await Task.WhenAll(
                                     packagesToFetch.Select(package =>
-                                        ApiClient.GetPackageWithAllVersionsAsync(this, package, CancellationToken.None)))
+                                        ApiClient.GetPackageWithAllVersionsAsync(this, package, includePrerelease, CancellationToken.None)))
                                 .ConfigureAwait(false);
                             return fetchedPackages.Where(fetchedPackage => !(fetchedPackage is null)).ToList<INugetPackage>();
                         }

src/NuGetForUnity/Editor/Ui/NugetWindow.cs

@@ -938,6 +938,7 @@ private void DrawUpdatesHeader()
                     {
                         showPrereleaseUpdates = showPrereleaseTemp;
                         UpdateUpdatePackages();
+                        versionDropdownDataPerPackage.Clear();
                     }
 
                     var showDowngradesTemp = GUILayout.Toggle(
@@ -1290,7 +1291,11 @@ private void DrawPackage(INugetPackage package, GUIStyle backgroundStyle, bool c
                         if (!string.IsNullOrEmpty(package.ReleaseNotes))
                         {
                             EditorGUILayout.LabelField("Release Notes", EditorStyles.boldLabel);
-                            EditorGUILayout.LabelField(package.ReleaseNotes);
+                            var releaseNotesContent = new GUIContent(package.ReleaseNotes);
+                            var releaseNotesRect = EditorGUILayout.GetControlRect(
+                                true,
+                                labelStyle.CalcHeight(releaseNotesContent, EditorGUIUtility.currentViewWidth - 20f) + 12f);
+                            EditorGUI.LabelField(releaseNotesRect, releaseNotesContent, labelStyle);
                             GUILayout.Space(4f);
                         }