Moved to the closed beta testing, implemented a system of invitations and a telegram bot to receive them;
Fixes of authorization errors;
Improvement of application’s work within the unstable Internet connection;
Application’s performance improvements;
Additional setting “Reduce quality to increase image loading speed”;
Redesigned the interface for devices with large screens, sidebar added;
New application modes (view mode, annotation mode, study mode), in each mode the interface changes a little, certain functions are activated. App modes are used only for devices with large screens, the version for smartphones is always locked in view mode;
New local annotation tools: brush, registration points, polygons;