-\[Docker\] add a `onbuild` image to Wechaty [\#147](https://github.com/Chatie/wechaty/issues/147)
**Fixed bugs:**
- Cannot send pdf file using MediaMessage [\#710](https://github.com/Chatie/wechaty/issues/710)
-\[test\] Unit Test for `mentioned` feature does not run at all [\#623](https://github.com/Chatie/wechaty/issues/623)
- error TS2345: Argument of type 'string | MemberQueryFilter' is not assignable to parameter of type 'MemberQueryFilter' [\#622](https://github.com/Chatie/wechaty/issues/622)
- Build Docker image from zixia/wechaty:onbuild,/bot/node\_modules does not exist. [\#436](https://github.com/Chatie/wechaty/issues/436)
- requesting a new QR code cost more than 2 minutes [\#434](https://github.com/Chatie/wechaty/issues/434)
- Concat.avatar\(\) faild ,when hostname changed from https://wx.qq.com to https://wx2.qq.com [\#418](https://github.com/Chatie/wechaty/issues/418)
-\[test\] Unit Tests under Linux by TravisCI keep failing [\#384](https://github.com/Chatie/wechaty/issues/384)
- Can't get wechaty up and running using phantomjs [\#60](https://github.com/Chatie/wechaty/issues/60)
**Closed issues:**
- if wechaty cannot get inviteeList when emit `room-join` , suggest it emit room-fire and get warning info. [\#671](https://github.com/Chatie/wechaty/issues/671)
- Room.find\(\) 发送消息提示 say is not a function [\#664](https://github.com/Chatie/wechaty/issues/664)
- Modify Function `Room.create` return type, from `Promise\<Room\>` to `Promise\<Room|null\>`[\#616](https://github.com/Chatie/wechaty/issues/616)
- Bot log out frequently and got some strange error between it logout and relogin automatically [\#612](https://github.com/Chatie/wechaty/issues/612)
- Cannot set alias of Contact Object getting from `message.from\(\)` method when Contact is not a friend [\#509](https://github.com/Chatie/wechaty/issues/509)
- An in-range update of brolog is breaking the build 🚨 [\#499](https://github.com/Chatie/wechaty/issues/499)
- room.member\(\) can not return right result [\#437](https://github.com/Chatie/wechaty/issues/437)
- windows run program send images throw out error [\#427](https://github.com/Chatie/wechaty/issues/427)
- group names have HTML in them [\#382](https://github.com/Chatie/wechaty/issues/382)
- jsdoc2md may flush some pieces of the embedded doc [\#378](https://github.com/Chatie/wechaty/issues/378)
**Merged pull requests:**
- fix\(puppet-web\): send any type file. [\#714](https://github.com/Chatie/wechaty/pull/714)([binsee](https://github.com/binsee))
- add\(example\): add a roger bot runs on wechaty telegram bot adaptor [\#684](https://github.com/Chatie/wechaty/pull/684)([hczhcz](https://github.com/hczhcz))
- some typo fixes and suggested revisions [\#681](https://github.com/Chatie/wechaty/pull/681)([lpmi-13](https://github.com/lpmi-13))
- room-join cannot detect inviteeList when people join in the room with qrcode [\#651](https://github.com/Chatie/wechaty/pull/651)([lijiarui](https://github.com/lijiarui))