Threema for Windows Phone gets a new update that focuses on fixing bugs and improving the usability.
For instance, the group administration has been enhanced. You can now remove members from a group. Furthermore, the new version enables you to switch between a light and a dark theme. A small but often requested new feature is the recognition of email addresses, phone numbers and URLs as hyperlinks. Various bug fixes and stability improvements complete the update 1.3.1 for Windows Phone.
All improvements and changes are listed here: What’s new