diff --git a/gitea/issue.go b/gitea/issue.go
index d97f96a..c33856a 100644
--- a/gitea/issue.go
+++ b/gitea/issue.go
@@ -63,6 +63,14 @@ type ListIssueOption struct {
 	Labels     []string
 	Milestones []string
 	KeyWord    string
+	Since      time.Time
+	Before     time.Time
+	// filter by created by username
+	CreatedBy string
+	// filter by assigned to username
+	AssignedBy string
+	// filter by username mentioned
+	MentionedBy string
 }
 
 // StateType issue state type
@@ -111,6 +119,23 @@ func (opt *ListIssueOption) QueryEncode() string {
 		query.Add("milestones", strings.Join(opt.Milestones, ","))
 	}
 
+	if !opt.Since.IsZero() {
+		query.Add("since", opt.Since.Format(time.RFC3339))
+	}
+	if !opt.Before.IsZero() {
+		query.Add("before", opt.Before.Format(time.RFC3339))
+	}
+
+	if len(opt.CreatedBy) > 0 {
+		query.Add("created_by", opt.CreatedBy)
+	}
+	if len(opt.AssignedBy) > 0 {
+		query.Add("assigned_by", opt.AssignedBy)
+	}
+	if len(opt.MentionedBy) > 0 {
+		query.Add("mentioned_by", opt.MentionedBy)
+	}
+
 	return query.Encode()
 }
 
diff --git a/gitea/notifications.go b/gitea/notifications.go
index 57f83b1..8b1ffa7 100644
--- a/gitea/notifications.go
+++ b/gitea/notifications.go
@@ -32,7 +32,7 @@ type NotificationSubject struct {
 	Title            string             `json:"title"`
 	URL              string             `json:"url"`
 	LatestCommentURL string             `json:"latest_comment_url"`
-	Type             string             `json:"type"`
+	Type             NotifySubjectType  `json:"type"`
 	State            NotifySubjectState `json:"state"`
 }
 
@@ -48,6 +48,20 @@ const (
 	NotifyStatusPinned NotifyStatus = "pinned"
 )
 
+// NotifySubjectType represent type of notification subject
+type NotifySubjectType string
+
+const (
+	// NotifySubjectIssue an issue is subject of an notification
+	NotifySubjectIssue NotifySubjectType = "Issue"
+	// NotifySubjectPull an pull is subject of an notification
+	NotifySubjectPull NotifySubjectType = "Pull"
+	// NotifySubjectCommit an commit is subject of an notification
+	NotifySubjectCommit NotifySubjectType = "Commit"
+	// NotifySubjectRepository an repository is subject of an notification
+	NotifySubjectRepository NotifySubjectType = "Repository"
+)
+
 // NotifySubjectState reflect state of notification subject
 type NotifySubjectState string
 
@@ -63,9 +77,10 @@ const (
 // ListNotificationOptions represents the filter options
 type ListNotificationOptions struct {
 	ListOptions
-	Since  time.Time
-	Before time.Time
-	Status []NotifyStatus
+	Since        time.Time
+	Before       time.Time
+	Status       []NotifyStatus
+	SubjectTypes []NotifySubjectType
 }
 
 // MarkNotificationOptions represents the filter & modify options
@@ -87,6 +102,9 @@ func (opt *ListNotificationOptions) QueryEncode() string {
 	for _, s := range opt.Status {
 		query.Add("status-types", string(s))
 	}
+	for _, s := range opt.SubjectTypes {
+		query.Add("subject-type", string(s))
+	}
 	return query.Encode()
 }
 
diff --git a/gitea/release.go b/gitea/release.go
index 7d36e71..c8e7681 100644
--- a/gitea/release.go
+++ b/gitea/release.go
@@ -35,6 +35,22 @@ type Release struct {
 // ListReleasesOptions options for listing repository's releases
 type ListReleasesOptions struct {
 	ListOptions
+	IsDraft      *bool
+	IsPreRelease *bool
+}
+
+// QueryEncode turns options into querystring argument
+func (opt *ListReleasesOptions) QueryEncode() string {
+	query := opt.getURLQuery()
+
+	if opt.IsDraft != nil {
+		query.Add("draft", fmt.Sprintf("%t", *opt.IsDraft))
+	}
+	if opt.IsPreRelease != nil {
+		query.Add("draft", fmt.Sprintf("%t", *opt.IsPreRelease))
+	}
+
+	return query.Encode()
 }
 
 // ListReleases list releases of a repository
@@ -45,7 +61,7 @@ func (c *Client) ListReleases(owner, repo string, opt ListReleasesOptions) ([]*R
 	opt.setDefaults()
 	releases := make([]*Release, 0, opt.PageSize)
 	resp, err := c.getParsedResponse("GET",
-		fmt.Sprintf("/repos/%s/%s/releases?%s", owner, repo, opt.getURLQuery().Encode()),
+		fmt.Sprintf("/repos/%s/%s/releases?%s", owner, repo, opt.QueryEncode()),
 		nil, nil, &releases)
 	return releases, resp, err
 }
@@ -168,7 +184,7 @@ func (c *Client) DeleteReleaseByTag(user, repo string, tag string) (*Response, e
 // fallbackGetReleaseByTag is fallback for old gitea installations ( < 1.13.0 )
 func (c *Client) fallbackGetReleaseByTag(owner, repo string, tag string) (*Release, *Response, error) {
 	for i := 1; ; i++ {
-		rl, resp, err := c.ListReleases(owner, repo, ListReleasesOptions{ListOptions{Page: i}})
+		rl, resp, err := c.ListReleases(owner, repo, ListReleasesOptions{ListOptions: ListOptions{Page: i}})
 		if err != nil {
 			return nil, resp, err
 		}