diff --git a/history.en.md b/history.en.md
index fa2a49706..6333b8bc2 100644
--- a/history.en.md
+++ b/history.en.md
@@ -1,6 +1,10 @@
 # History
 
  - master/HEAD
+ - 3.5.24 (2020.8.28)
+   * Simulate "lock scroll position of the tab bar while middle tabs are closed via mouse operations" behavior of Firefox's native tab bar.
+   * Shrink the width of the confirmation dialog for closing tabs with very long titles.
+   * Detect a tab is opened from a bookmark more certainly, even if its hostname starts with "www."
  - 3.5.23 (2020.8.26)
    * Drop support for some built-in themes: ["Vertigo"](https://github.com/piroor/treestyletab/wiki/Vertigo-theme-%28patch-for-the-theme-%22Plain%22%29) and ["Mixed"](https://github.com/piroor/treestyletab/wiki/Mixed-theme-%28patch-for-the-theme-%22Plain%22%29). They can be alternated with [user styles](https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#restore-old-built-in-themes).
    * Simulate appearance of close boxes in Firefox's native tabs more, for hover and active state.
diff --git a/history.ja.md b/history.ja.md
index 542f76a47..4ff0ca046 100644
--- a/history.ja.md
+++ b/history.ja.md
@@ -1,6 +1,10 @@
 # 更新履歴
 
  - master/HEAD
+ - 3.5.24 (2020.8.28)
+   * Firefox本体のタブバーの「中程にあるタブをマウス操作で閉じている間はスクロール位置を維持する」動作を真似るようにした
+   * 非常に長いタイトルのタブがあるときに、タブをまとめて閉じる際の確認ダイアログの幅が大きくなりすぎないようにした
+   * ブックマークのURLのホスト名部分が「www.」で始まる場合でも、ブックマークから開かれたタブをより正しく検出するようにした
  - 3.5.23 (2020.8.26)
    * 組み込みのテーマの["Vertigo"](https://github.com/piroor/treestyletab/wiki/Vertigo-theme-%28patch-for-the-theme-%22Plain%22%29)と["Mixed"](https://github.com/piroor/treestyletab/wiki/Mixed-theme-%28patch-for-the-theme-%22Plain%22%29)を削除した（[ユーザースタイル定義](https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#restore-old-built-in-themes)での代替は可能です）
    * タブのクローズボックスのhover時とactive時の見た目をFirefoxのタブのクローズボックスに合わせるようにした
diff --git a/webextensions/manifest.json b/webextensions/manifest.json
index 813cd1bab..ffdb34cf2 100644
--- a/webextensions/manifest.json
+++ b/webextensions/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "__MSG_extensionName__",
-  "version": "3.5.23",
+  "version": "3.5.24",
   "author": "YUKI \"Piro\" Hiroshi",
   "description": "__MSG_extensionDescription__",
   "permissions": [