diff --git a/appview/issues/issues.go b/appview/issues/issues.go
--- a/appview/issues/issues.go
+++ b/appview/issues/issues.go
@@ -301,6 +301,9 @@
 			return
 		}
 
+		// notify about the issue closure
+		rp.notifier.NewIssueClosed(r.Context(), issue)
+
 		rp.pages.HxLocation(w, fmt.Sprintf("/%s/issues/%d", f.OwnerSlashRepo(), issue.IssueId))
 		return
 	} else {
@@ -434,6 +437,11 @@
 
 	// reset atUri to make rollback a no-op
 	atUri = ""
+
+	// notify about the new comment
+	comment.Id = commentId
+	rp.notifier.NewIssueComment(r.Context(), &comment)
+
 	rp.pages.HxLocation(w, fmt.Sprintf("/%s/issues/%d#comment-%d", f.OwnerSlashRepo(), issue.IssueId, commentId))
 }
 
diff --git a/appview/notify/merged_notifier.go b/appview/notify/merged_notifier.go
--- a/appview/notify/merged_notifier.go
+++ b/appview/notify/merged_notifier.go
@@ -72,6 +72,18 @@
 	}
 }
 
+func (m *mergedNotifier) NewPullMerged(ctx context.Context, pull *models.Pull) {
+	for _, notifier := range m.notifiers {
+		notifier.NewPullMerged(ctx, pull)
+	}
+}
+
+func (m *mergedNotifier) NewPullClosed(ctx context.Context, pull *models.Pull) {
+	for _, notifier := range m.notifiers {
+		notifier.NewPullClosed(ctx, pull)
+	}
+}
+
 func (m *mergedNotifier) UpdateProfile(ctx context.Context, profile *models.Profile) {
 	for _, notifier := range m.notifiers {
 		notifier.UpdateProfile(ctx, profile)
diff --git a/appview/notify/notifier.go b/appview/notify/notifier.go
--- a/appview/notify/notifier.go
+++ b/appview/notify/notifier.go
@@ -21,6 +21,8 @@
 
 	NewPull(ctx context.Context, pull *models.Pull)
 	NewPullComment(ctx context.Context, comment *models.PullComment)
+	NewPullMerged(ctx context.Context, pull *models.Pull)
+	NewPullClosed(ctx context.Context, pull *models.Pull)
 
 	UpdateProfile(ctx context.Context, profile *models.Profile)
 
@@ -48,6 +50,8 @@
 
 func (m *BaseNotifier) NewPull(ctx context.Context, pull *models.Pull)                 {}
 func (m *BaseNotifier) NewPullComment(ctx context.Context, models *models.PullComment) {}
+func (m *BaseNotifier) NewPullMerged(ctx context.Context, pull *models.Pull)           {}
+func (m *BaseNotifier) NewPullClosed(ctx context.Context, pull *models.Pull)           {}
 
 func (m *BaseNotifier) UpdateProfile(ctx context.Context, profile *models.Profile) {}
 
diff --git a/appview/pulls/pulls.go b/appview/pulls/pulls.go
--- a/appview/pulls/pulls.go
+++ b/appview/pulls/pulls.go
@@ -2147,6 +2147,11 @@
 		return
 	}
 
+	// notify about the pull merge
+	for _, p := range pullsToMerge {
+		s.notifier.NewPullMerged(r.Context(), p)
+	}
+
 	s.pages.HxLocation(w, fmt.Sprintf("/@%s/%s/pulls/%d", f.OwnerHandle(), f.Name, pull.PullId))
 }
 
@@ -2212,6 +2217,10 @@
 		log.Println("failed to commit transaction", err)
 		s.pages.Notice(w, "pull-close", "Failed to close pull.")
 		return
+	}
+
+	for _, p := range pullsToClose {
+		s.notifier.NewPullClosed(r.Context(), p)
 	}
 
 	s.pages.HxLocation(w, fmt.Sprintf("/%s/pulls/%d", f.OwnerSlashRepo(), pull.PullId))