1. Fixed occasional repetition of received messages; 2. Add account logout function on the setting page; 3. Modify known bugs;

1. Fixed the bug of keyboard blocking chat messages; 2. tableview for iOS15,

1. Fix some bugs; 2. Optimize the relevant logic.

1. Optimize for iOS 14.3 2. Open registration function 3. Ordinary members can send 50 messages a day, and senior members can chat freely 4. Ordinary members can't build a group, senior members can create a close friend group without restriction

1. Adapt to iOS 14. 2. Fixed the issue that the phone automatically locks the screen when playing voice.

Fixed an issue with text message typesetting errors.

1.VIP added voice conference, video 1 to 1, video conference function 2.Support sending location messages 3. Added automatic identification of message content and phone number 4.New documents and files that can never be burned can be shared to other applications 5.Add send to view original image 6.Add new safe to import local documents and files 7.New documents and files in the safe can be exported to the local phone 8.Optimize the message withdrawal record, and the text message can be re-edited within 2 minutes 9.optimize the group details page, the group owner avatar is the first 10. Fix known bugs and optimize user experience

Improve the stability of the app on iOS 13

- Optimize user experience. - Fixed known bugs.

1. VIP support group message withdrawal and cancellation message burning 2. Support picture horizontal screen view 3. Support for sending GIF maps 4. Optimize the proportion of sent pictures 5. Optimize user experience and modify known bugs

- Optimized messaging mechanism.

- Fixed an issue where data could not be viewed during the upgrade process.

- Increased encryption strength and enhanced security. - Increase group message burnout time. - Support PC simultaneous online. - Fix known bugs and enhance system stability.

1.Optimization function 2.Fix some known bugs

1.VIP added voice call function 2.Added group news and pictures slide to read it 3.Added sharing features, you can directly from the browser to share the link into the secems 4.Added iOS 11 local file Send function 5.Added the new message number on the chat interface 6.Bug fixes and improvements

1. New design user interface 2. Added group @ notification function 3. Added chat-top function 4. Enhanced data security 5. Bug fixes and improvements

1、Interface optimization； 2、Fix BUG.

1、Interface optimization； 2、Fix BUG.

1、 Adapt to iOS 11.1 upgrade ; 2、 Fixed BUG .

1.Solve the upgrade crash problem; 2.Fit to iPhone X ; 3.modify the known bug.

1. New group @ function; 2. Modify the known bug.

1. Support Spanish. 2. Fixed the crash when select the videos from Photos.

1. Can chat with SecEMS Assistant about any problems in use. 2. Can modify the name of groups. 3. Optimize user experience. 4. Adaptation iOS 10. To enhance system stability. 5. Fixed some known issues.

1. Support https. 2. Repair guest password security vulnerabilities.

1.Support View larger clear avatar; 2.Support hide the telephone for your friends; 3.Support swiping left to make as read in chat list; 4.Support automatically jump to unread messages in group chat; 5.Optimized the conflict between app voice and background music. 6.Repair the bug of the messages do not self-destruct occasionally;