diff --git a/models/issues/milestone.go b/models/issues/milestone.go
index ffe5c8eb509ba..acad3b28c6e6c 100644
--- a/models/issues/milestone.go
+++ b/models/issues/milestone.go
@@ -123,6 +123,22 @@ func NewMilestone(m *Milestone) (err error) {
 	return committer.Commit()
 }
 
+// LoadRepo loads milestones repository
+func (m *Milestone) LoadRepo(ctx context.Context) (err error) {
+	if m.Repo == nil && m.RepoID != 0 {
+		m.Repo, err = repo_model.GetRepositoryByID(ctx, m.RepoID)
+		if err != nil {
+			return fmt.Errorf("getRepositoryByID [%d]: %w", m.RepoID, err)
+		}
+	}
+	return nil
+}
+
+// Link returns the milestone Link
+func (m *Milestone) Link() string {
+	return fmt.Sprintf("%s/milestone/%d", m.Repo.HTMLURL(), m.ID)
+}
+
 // HasMilestoneByRepoID returns if the milestone exists in the repository.
 func HasMilestoneByRepoID(ctx context.Context, repoID, id int64) (bool, error) {
 	return db.GetEngine(ctx).ID(id).Where("repo_id=?", repoID).Exist(new(Milestone))
diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go
index cbb2e20314489..de0439b4273cd 100644
--- a/routers/web/repo/issue.go
+++ b/routers/web/repo/issue.go
@@ -1554,6 +1554,21 @@ func ViewIssue(ctx *context.Context) {
 			if comment.MilestoneID > 0 && comment.Milestone == nil {
 				comment.Milestone = ghostMilestone
 			}
+
+			if comment.Milestone != nil && comment.Milestone.ID != -1 {
+				err = comment.Milestone.LoadRepo(ctx)
+				if err != nil {
+					ctx.ServerError("LoadMilestoneRepo", err)
+					return
+				}
+			}
+			if comment.OldMilestone != nil && comment.OldMilestone.ID != -1 {
+				err = comment.OldMilestone.LoadRepo(ctx)
+				if err != nil {
+					ctx.ServerError("LoadMilestoneRepo", err)
+					return
+				}
+			}
 		} else if comment.Type == issues_model.CommentTypeProject {
 
 			if err = comment.LoadProject(); err != nil {
diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index 0652198adfd37..6536511729640 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -195,7 +195,15 @@
 				{{template "shared/user/avatarlink" dict "Context" $.Context "user" .Poster}}
 				<span class="text grey muted-links">
 					{{template "shared/user/authorlink" .Poster}}
-					{{if gt .OldMilestoneID 0}}{{if gt .MilestoneID 0}}{{$.locale.Tr "repo.issues.change_milestone_at" (.OldMilestone.Name|Escape) (.Milestone.Name|Escape) $createdStr | Safe}}{{else}}{{$.locale.Tr "repo.issues.remove_milestone_at" (.OldMilestone.Name|Escape) $createdStr | Safe}}{{end}}{{else if gt .MilestoneID 0}}{{$.locale.Tr "repo.issues.add_milestone_at" (.Milestone.Name|Escape) $createdStr | Safe}}{{end}}
+					{{if gt .OldMilestoneID 0}}
+						{{if gt .MilestoneID 0}}
+							{{$.locale.Tr "repo.issues.change_milestone_at" (printf `<a href="%s">%s</a>` .OldMilestone.Link (.OldMilestone.Name|Escape)) (printf `<a href="%s">%s</a>` .Milestone.Link (.Milestone.Name|Escape)) $createdStr | Safe}}
+						{{else}}
+							{{$.locale.Tr "repo.issues.remove_milestone_at" (printf `<a href="%s">%s</a>` .OldMilestone.Link (.OldMilestone.Name|Escape)) $createdStr | Safe}}
+						{{end}}
+					{{else if gt .MilestoneID 0}}
+						{{$.locale.Tr "repo.issues.add_milestone_at" (printf `<a href="%s">%s</a>` .Milestone.Link (.Milestone.Name|Escape)) $createdStr | Safe}}
+					{{end}}
 				</span>
 			</div>
 		{{else if eq .Type 9}}
@@ -209,7 +217,7 @@
 							{{if eq .Poster.ID .Assignee.ID}}
 								{{$.locale.Tr "repo.issues.remove_self_assignment" $createdStr | Safe}}
 							{{else}}
-								{{$.locale.Tr "repo.issues.remove_assignee_at" (.Poster.GetDisplayName|Escape) $createdStr | Safe}}
+								{{$.locale.Tr "repo.issues.remove_assignee_at" (printf `<a href="%s">%s</a>` .Poster.HomeLink (.Poster.GetDisplayName|Escape)) $createdStr | Safe}}
 							{{end}}
 						</span>
 					{{else}}
@@ -219,7 +227,7 @@
 							{{if eq .Poster.ID .AssigneeID}}
 								{{$.locale.Tr "repo.issues.self_assign_at" $createdStr | Safe}}
 							{{else}}
-								{{$.locale.Tr "repo.issues.add_assignee_at" (.Poster.GetDisplayName|Escape) $createdStr | Safe}}
+								{{$.locale.Tr "repo.issues.add_assignee_at" (printf `<a href="%s">%s</a>` .Poster.HomeLink (.Poster.GetDisplayName|Escape)) $createdStr | Safe}}
 							{{end}}
 						</span>
 					{{end}}
@@ -743,12 +751,12 @@
 					{{$oldProjectDisplayHtml := "Unknown Project"}}
 					{{if .OldProject}}
 						{{$trKey := printf "projects.type-%d.display_name" .OldProject.Type}}
-						{{$oldProjectDisplayHtml = printf `<span data-tooltip-content="%s">%s</span>` ($.locale.Tr $trKey | Escape) (.OldProject.Title | Escape)}}
+						{{$oldProjectDisplayHtml = printf `<a href="%s" data-tooltip-content="%s">%s</a>` .OldProject.Link ($.locale.Tr $trKey | Escape) (.OldProject.Title | Escape)}}
 					{{end}}
 					{{$newProjectDisplayHtml := "Unknown Project"}}
 					{{if .Project}}
 						{{$trKey := printf "projects.type-%d.display_name" .Project.Type}}
-						{{$newProjectDisplayHtml = printf `<span data-tooltip-content="%s">%s</span>` ($.locale.Tr $trKey | Escape) (.Project.Title | Escape)}}
+						{{$newProjectDisplayHtml = printf `<a href="%s" data-tooltip-content="%s">%s</a>` .Project.Link ($.locale.Tr $trKey | Escape) (.Project.Title | Escape)}}
 					{{end}}
 					{{if and (gt .OldProjectID 0) (gt .ProjectID 0)}}
 						{{$.locale.Tr "repo.issues.change_project_at" $oldProjectDisplayHtml $newProjectDisplayHtml $createdStr | Safe}}