Release 2.8.0 (#2490)

Author: dead-horse

History.md

@@ -1,5 +1,33 @@
 # History
 
+## 2018-05-03, Version 2.8.0 @dead-horse
+
+### Notable changes
+
+* **feature**
+  * add time duration for dump config
+
+* **fix**
+  * make singleton work for unextensible or frozen instance
+
+* **docs**
+  * switch to English document
+  * add middleware to Application and other ts improvement (typescript)
+  * update wxapp-socket-io project to weapp.socket.io
+  * update title and remove unused files
+
+### Commits
+
+  * [[`4b602d037`](http://github.com/eggjs/egg/commit/4b602d037554b72c8261b7abb7efd94f8f59f3fe)] - fix: make singleton work for unextensible or frozen instance (#2472) (Yiyu He <<dead_horse@qq.com>>)
+  * [[`824200c11`](http://github.com/eggjs/egg/commit/824200c11cac8e20b2c275daa7f5a4a365c71259)] - feat: add time duration for dump config (#2485) (Haoliang Gao <<sakura9515@gmail.com>>)
+  * [[`73dac083d`](http://github.com/eggjs/egg/commit/73dac083d2a029f893e9b6737080c921027e308f)] - docs: update wxapp-socket-io project to weapp.socket.io (#2421) (liuguili <<gongzili456@gmail.com>>)
+  * [[`1ada8e384`](http://github.com/eggjs/egg/commit/1ada8e3848be9f09680d7cac091fb14206df5a11)] - feat(d.ts): add middleware to Application and other ts improvement (#2465) (Axes <<whxaxes@qq.com>>)
+  * [[`437785315`](http://github.com/eggjs/egg/commit/437785315f28a828ea0cf7bece80223d5b796dc5)] - docs: fix the code error of LOCALS in view.md (#2464) (zjz19901029 <<346663801@qq.com>>)
+  * [[`f341b9fb8`](http://github.com/eggjs/egg/commit/f341b9fb8bdf36b6280500578e8448c59aec10f1)] - chore: update title and remove unused files (#2433) (TZ | 
+天猪 <<atian25@qq.com>>)
+  * [[`a5ab29cbd`](http://github.com/eggjs/egg/commit/a5ab29cbd1de0f5425019085258a496b4bce8b45)] - docs: switch to English document (#2426) (Haoliang Gao <<sakura9515@gmail.com>>)
+  * [[`4ab7df25f`](http://github.com/eggjs/egg/commit/4ab7df25f152609d494745eac2794b78e66444f0)] - deps: update dependencies, add @types/urllib to autod config (#2423) (Yiyu He <<dead_horse@qq.com>>)
+
 ## 2018-04-17, Version 2.7.1 @dead-horse
 
 ### Notable changes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "egg",
-  "version": "2.7.1",
+  "version": "2.8.0",
   "description": "A web framework's framework for Node.js",
   "keywords": [
     "web",