diff --git a/astrbot/cli/__init__.py b/astrbot/cli/__init__.py
index 2ef650d2c..dfdbb7a0f 100644
--- a/astrbot/cli/__init__.py
+++ b/astrbot/cli/__init__.py
@@ -1 +1 @@
-__version__ = "4.17.6"
+__version__ = "4.18.0"
diff --git a/astrbot/core/config/default.py b/astrbot/core/config/default.py
index 0f352808d..ab311d8fe 100644
--- a/astrbot/core/config/default.py
+++ b/astrbot/core/config/default.py
@@ -5,7 +5,7 @@ from typing import Any, TypedDict
 
 from astrbot.core.utils.astrbot_path import get_astrbot_data_path
 
-VERSION = "4.17.6"
+VERSION = "4.18.0"
 DB_PATH = os.path.join(get_astrbot_data_path(), "data_v4.db")
 
 WEBHOOK_SUPPORTED_PLATFORMS = [
diff --git a/changelogs/v4.18.0.md b/changelogs/v4.18.0.md
new file mode 100644
index 000000000..847da020e
--- /dev/null
+++ b/changelogs/v4.18.0.md
@@ -0,0 +1,29 @@
+## What's Changed
+
+### 新增
+- 新增 AstrBot HTTP API，支持基于 API Key 的对话、会话查询、配置查询、文件上传与 IM 消息发送能力。详见[AstrBot HTTP API (Beta)](https://docs.astrbot.app/dev/openapi.html) ([#5280](https://github.com/AstrBotDevs/AstrBot/issues/5280))。
+- 新增 Telegram 指令别名注册能力，别名可同步展示在 Telegram 指令菜单中 ([#5234](https://github.com/AstrBotDevs/AstrBot/issues/5234))。
+- 新增 Anthropic 自适应思考参数配置（type/effort），增强思考策略可控性 ([#5209](https://github.com/AstrBotDevs/AstrBot/issues/5209))。
+
+### 修复
+- 修复 QQ 官方频道消息发送异常问题，提升消息下发稳定性 ([#5287](https://github.com/AstrBotDevs/AstrBot/issues/5287))。
+- 修复 ChatUI 使用非 default 配置文件对话时仍然使用 default 配置的问题 ([#5292](https://github.com/AstrBotDevs/AstrBot/issues/5292))。
+
+### 优化
+- 优化插件市场卡片的平台支持展示，改进移动端可用性与交互体验 ([#5271](https://github.com/AstrBotDevs/AstrBot/issues/5271))。
+- 重构 Dashboard 桌面运行时桥接字段，从 `isElectron` 统一迁移至 `isDesktop`，提升跨端语义一致性 ([#5269](https://github.com/AstrBotDevs/AstrBot/issues/5269))。
+
+## What's Changed (EN)
+
+### New Features
+- Added AstrBot HTTP API with API Key support for chat, session listing, config listing, file upload, and IM message sending. See [AstrBot HTTP API (Beta)](https://docs.astrbot.app/en/dev/openapi.html) ([#5280](https://github.com/AstrBotDevs/AstrBot/issues/5280)).
+- Added Telegram command alias registration so aliases can also appear in the Telegram command menu ([#5234](https://github.com/AstrBotDevs/AstrBot/issues/5234)).
+- Added Anthropic adaptive thinking parameters (`type`/`effort`) for more flexible reasoning strategy control ([#5209](https://github.com/AstrBotDevs/AstrBot/issues/5209)).
+
+### Fixes
+- Fixed QQ official guild message sending errors to improve delivery stability ([#5287](https://github.com/AstrBotDevs/AstrBot/issues/5287)).
+- Fixed chat config binding failures caused by missing session IDs when creating new chats, and improved localStorage fault tolerance ([#5292](https://github.com/AstrBotDevs/AstrBot/issues/5292)).
+
+### Improvements
+- Improved plugin marketplace card display for platform compatibility, with better mobile accessibility and interaction ([#5271](https://github.com/AstrBotDevs/AstrBot/issues/5271)).
+- Refactored desktop runtime bridge fields in the dashboard from `isElectron` to `isDesktop` for clearer cross-platform semantics ([#5269](https://github.com/AstrBotDevs/AstrBot/issues/5269)).
diff --git a/pyproject.toml b/pyproject.toml
index 1dca2c652..15c696894 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "AstrBot"
-version = "4.17.6"
+version = "4.18.0"
 description = "Easy-to-use multi-platform LLM chatbot and development framework"
 readme = "README.md"
 requires-python = ">=3.12"