From d9fee4fbb11e70207a0edf57502dc535fa726eb5 Mon Sep 17 00:00:00 2001
From: Mashiro <57566630+HAOCHENYE@users.noreply.github.com>
Date: Thu, 3 Aug 2023 22:13:49 +0800
Subject: [PATCH] bump version to v0.8.4 (#1291)

---
 README.md                  |  4 ++--
 README_zh-CN.md            |  4 ++--
 docs/en/notes/changelog.md | 19 +++++++++++++++++++
 mmengine/version.py        |  2 +-
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index c2fa8347fb..53f4c68765 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ English | [简体中文](README_zh-CN.md)
 
 ## What's New
 
-v0.8.3 was released on 2023-07-31.
+v0.8.4 was released on 2023-08-03.
 
 Highlights:
 
@@ -80,7 +80,7 @@ Highlights:
 
   ![new-config-en](https://github.com/open-mmlab/mmengine/assets/57566630/7eb41748-9374-488f-901e-fcd7f0d3c8a1)
 
-Read [Changelog](./docs/en/notes/changelog.md#v083-07312023) for more details.
+Read [Changelog](./docs/en/notes/changelog.md#v083-08032023) for more details.
 
 ## Table of Contents
 
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 18bbcd684c..bbf7494aca 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -58,7 +58,7 @@
 
 ## 最近进展
 
-最新版本 v0.8.3 在 2023.07.31 发布。
+最新版本 v0.8.4 在 2023.08.03 发布。
 
 亮点：
 
@@ -80,7 +80,7 @@
 
   ![new-config-zh_cn](https://github.com/open-mmlab/mmengine/assets/57566630/c2da9a73-c911-4f78-8253-e3f29496d9f8)
 
-如果想了解更多版本更新细节和历史信息，请阅读[更新日志](./docs/en/notes/changelog.md#v083-07312023)
+如果想了解更多版本更新细节和历史信息，请阅读[更新日志](./docs/en/notes/changelog.md#v083-08032023)
 
 ## 目录
 
diff --git a/docs/en/notes/changelog.md b/docs/en/notes/changelog.md
index a8b7cca6cc..bbf92cc7a4 100644
--- a/docs/en/notes/changelog.md
+++ b/docs/en/notes/changelog.md
@@ -1,5 +1,24 @@
 # Changelog of v0.x
 
+## v0.8.4 (03/08/2023)
+
+### New Features & Enhancements
+
+- Support callable `collate_fn` for FlexibleRunner by [@LZHgrla](https://github.com/LZHgrla) in https://github.com/open-mmlab/mmengine/pull/1284
+
+### Bug fixes
+
+- Skip adding `vis_backends` when `save_dir` is not set by [@HAOCHENYE](https://github.com/HAOCHENYE) in https://github.com/open-mmlab/mmengine/pull/1289
+- Fix dumping pure python style config in colab by [@HAOCHENYE](https://github.com/HAOCHENYE) in https://github.com/open-mmlab/mmengine/pull/1290
+
+### Docs
+
+- Find unused parameters by [@zhouzaida](https://github.com/zhouzaida) in https://github.com/open-mmlab/mmengine/pull/1288
+
+### Contributors
+
+A total of 3 developers contributed to this release. Thanks [@HAOCHENYE](https://github.com/HAOCHENYE), [@zhouzaida](https://github.com/zhouzaida), [@LZHgrla](https://github.com/LZHgrla)
+
 ## v0.8.3 (31/07/2023)
 
 ### Highlights
diff --git a/mmengine/version.py b/mmengine/version.py
index 0c7f63db08..54fee5f383 100644
--- a/mmengine/version.py
+++ b/mmengine/version.py
@@ -1,6 +1,6 @@
 # Copyright (c) OpenMMLab. All rights reserved.
 
-__version__ = '0.8.3'
+__version__ = '0.8.4'
 
 
 def parse_version_info(version_str):