v2.3.0.1

1. modify some fields;
2. add enum value;
3. add 'get advance message' api.

v2.3.0

Add API for rich text messages;
Added API for viewing group member information;
Added API for adding members as friends;
Add a new API for withdrawing messages;

Added parameter "Add group method" to "Add group API";

v2.2.0

1. Added API related to Moments.
2. Added the API for obtaining the group member list according to the joining time.
3. Added API for setting group member permissions.
4. Support large group function.

v2.1.0

Add API:

1. Set the API for global message reception;
2. API to reset session at ID;
3. API related to organizational structure;
4. Set the API at the group member level.

v2.0.9

Added API for uploading files.

v2.0.8

Add API for searching users.

v2.0.7.4

1. Add API for reverse query chat record list;
2. Increase the API of search group;
3. Adjust the input parameters of the search local message API.

v2.0.7.3

Added @AllMember API.

v2.0.7+2

1. Fix the problem that there is a chance that the session record cannot be obtained;
2. Adjust the formal parameters for creating "@ message".