v2.1.3-rc.2

What's Changed

• fix: ptr Elem() error by @houseme in #561
• 微信小程序回调消息兼容json格式 by @mxyue in #560
• 添加企业微信外部联系部分的 sdk by @scau009 in #562
• 企业微信客服消息: 修复发送消息时 MsgID 为空会报错的问题 by @ImSingee in #563
• 企业微信 OAuth2：支持获取 ExternalUserID by @ImSingee in #565

New Contributors

• @mxyue made their first contribution in #560
• @scau009 made their first contribution in #562
• @ImSingee made their first contribution in #563

Full Changelog: v2.1.3-rc.1...v2.1.3-rc.2