diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25496cab8e..4d84752d56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,9 +4,10 @@ This changelog goes through the changes that have been made in each release
 without substantial changes to our git log; to see the highlights of what has
 been added to each release, please refer to the [blog](https://blog.gitea.com).
 
-## [1.24.3](https://github.com/go-gitea/gitea/releases/tag/1.24.3) - 2025-07-06
+## [1.24.3](https://github.com/go-gitea/gitea/releases/tag/1.24.3) - 2025-07-10
 
 * BUGFIXES
+  * Fix API response for swagger spec (#35029)
   * Start automerge check again after the conflict check and the schedule (#34988) (#35002)
   * Fix the response format for actions/workflows (#35009) (#35016)
   * Fix repo settings and protocol log problems (#35012) (#35013)
diff --git a/modules/structs/repo.go b/modules/structs/repo.go
index 5f74357adc..5da2ad09bd 100644
--- a/modules/structs/repo.go
+++ b/modules/structs/repo.go
@@ -57,7 +57,7 @@ type Repository struct {
 	Private       bool        `json:"private"`
 	Fork          bool        `json:"fork"`
 	Template      bool        `json:"template"`
-	Parent        *Repository `json:"parent"`
+	Parent        *Repository `json:"parent,omitempty"`
 	Mirror        bool        `json:"mirror"`
 	Size          int         `json:"size"`
 	Language      string      `json:"language"`
@@ -112,7 +112,7 @@ type Repository struct {
 	ObjectFormatName string `json:"object_format_name"`
 	// swagger:strfmt date-time
 	MirrorUpdated time.Time     `json:"mirror_updated,omitempty"`
-	RepoTransfer  *RepoTransfer `json:"repo_transfer"`
+	RepoTransfer  *RepoTransfer `json:"repo_transfer,omitempty"`
 	Topics        []string      `json:"topics"`
 	Licenses      []string      `json:"licenses"`
 }
diff --git a/services/convert/repository.go b/services/convert/repository.go
index 7dfdfd2179..f0718d9123 100644
--- a/services/convert/repository.go
+++ b/services/convert/repository.go
@@ -245,7 +245,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR
 		RepoTransfer:                  transfer,
 		Topics:                        util.SliceNilAsEmpty(repo.Topics),
 		ObjectFormatName:              repo.ObjectFormatName,
-		Licenses:                      repoLicenses.StringList(),
+		Licenses:                      util.SliceNilAsEmpty(repoLicenses.StringList()),
 	}
 }